APIs pour la recherche et les impuretés

<p>6alpha-Chloro-17-acetoxy progesterone is a synthetic, nonsteroidal estrogen. It is a potent inhibitor of the proliferation of human breast cancer cells in vitro and in vivo. Progesterone has been shown to inhibit the growth rate of human breast cancer cells by blocking the cell cycle at G2/M phase, with no effect on DNA synthesis or mitosis. The parameters for monitoring the growth rates are average rates, transport rates, and overlapped rates. The average growth rate is calculated as the proportionality between the number of events and time intervals. Transport rates are expressed as the ratio between an event type and time intervals. Overlapped rates are expressed as the ratio between two types of events that occur during overlapping time intervals. 6alpha-Chloro-17-acetoxy progesterone has been envisaged to be used as a treatment for hormone receptor positive breast cancer patients who have failed initial endocrine therapy and are not candidates for chemotherapy due</p>

<p>4-Epiminocycline is a pharmaceutical preparation that belongs to the class of antibiotics. It is a drug substance that is used in the manufacture of other drugs and as an individual drug for the treatment of various skin conditions and for the prevention of malaria. 4-Epiminocycline has been shown to be effective against bacteria by binding to DNA, preventing transcription and replication. The drug binds to plasma proteins and erythrocytes with high affinity, but it does not bind well to intestinal cells or lung tissue. 4-Epiminocycline has been shown to be effective against Mycobacterium tuberculosis, Mycobacterium avium complex, Staphylococcus aureus, Streptococcus pyogenes, and Enterococcus faecalis. This antibiotic also prevents the formation of biofilms by these bacteria.</p>

<p>(S)-Mirabegron is a drug development, API impurity, and HPLC standard. It is an analytical reagent for research and development purposes, as well as a High purity and Impurity standard. This product is also used in the synthesis of drugs or drug products. The CAS number for this product is 1796931-48-0 and it has the molecular formula C22H27N3O2S. (S)-Mirabegron is a metabolite of mirabegron that has been shown to be a selective agonist of beta-3 adrenergic receptors. Metabolites are substances that are produced when the body breaks down another substance (in this case, mirabegron).</p>

<p>Dienogest Impurity K is an analytical standard that is used as a reference material for High-performance liquid chromatography. This impurity can be found in the drug product as a result of the synthesis process. Dienogest Impurity K has been assigned the CAS number 106111-43-7 and is soluble in methanol and ethanol. It has been shown to have no pharmacological activity on its own, but there are no reports on its interactions with other drugs.</p>

<p>(R,R)-Dihydro bupropion hydrochloride is a synthetic compound that has been developed for the treatment of depression and nicotine addiction. This drug is metabolized by liver enzymes to form two metabolites: (S,S)-dihydro bupropion and (R,S)-hydroxybupropion. The pharmacopoeia defines the purity of this product as &gt; 98%, with an impurity standard of 1%. This compound is not found in nature. It is available as a research and development grade product or as a custom synthesis upon request.</p>

<p>(1-Ethyl-1-methylpropyl)benzene is an impurity of some drugs. It is a metabolite of the drug, and can be found in urine or blood samples as a result of its excretion from the body. (1-Ethyl-1-methylpropyl)benzene is used as an analytical standard for HPLC analysis. This chemical is not on the USP list of impurities, but it is listed on the pharmacopoeia. The CAS number for (1-Ethyl-1-methylpropyl)benzene is 1985-97-3.</p>

<p>Please enquire for more information about 3-HABA kanamycin A sulfate including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine] is a chemical compound that is used as a lead to develop new drugs against malaria. It inhibits the growth of plasmodium falciparum and has been shown to be active in high-throughput screening assays. 2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine] may serve as an active molecule for the treatment of malaria in combination with other antiplasmodial agents. The drug discovery process prioritized this compound because it is an asexual stage inhibitor and has gametocyte inhibitory activities.</p>

<p>Impurity G is an impurity found in the drug Iohexol. It is a synthetic, amide, propylamine, diacetate and methyl anthranilate. Impurity G has been shown to be a catalyst for the production of iodinated contrast media with high yield. This can be used to make the drug Moxifloxacin hydrochloride, which is used to treat bacterial infections such as pneumonia and bronchitis caused by Legionella pneumophila or Mycoplasma pneumoniae. The chemical compound moxifloxacin has anti-inflammatory properties that are due to its ability to inhibit prostaglandin synthesis.</p>

<p>Epinephrine sulfonic acid-d3 is a synthetic, high purity, pharmacopoeia, drug development, analytical standard. It is used as an impurity standard, and in the synthesis of epinephrine sulfone. Epinephrine sulfonic acid-d3 has been shown to be a metabolite of epinephrine and its metabolites. This product has been synthesized and characterized by HPLC analysis using an ion-pairing agent and a gradient elution with water:acetonitrile (0.1% formic acid) (75:25).</p>

<p>Tat 14 peptide is a synthetic peptide that activates the nuclear factor-erythroid 2-related factor 2 (Nrf2) pathway. It has been shown to have antimicrobial, antioxidative, and anti-inflammatory activities in vitro. Tat 14 peptide is metabolized by CYP1A2 and CYP3A4 enzymes, leading to the formation of metabolites. Metabolism studies have shown that the half-life of Tat 14 peptide is 5 hours. The CAS number for this compound is 1362661-34-4.</p>

<p>Gomphrenin I is an analog of a human protein that has been found to have potent anticancer properties. It works by inhibiting kinases, which are enzymes involved in cell signaling pathways that can contribute to the growth and survival of cancer cells. Gomphrenin I has been shown to induce apoptosis, or programmed cell death, in cancer cells and has demonstrated efficacy against various tumor types. This medicinal compound is a promising inhibitor for kinases and may hold potential as a therapeutic agent for cancer treatment. Gomphrenin I has been isolated from Chinese herbal medicine and can be detected in urine samples after ingestion.</p>

<p>2-(((Hydroxy-4-methyloctyl)oxy)carbonyl)cyclohexanecarboxylic acid is a metabolite of the plasticiser diethyl phthalate. It is found in urine samples and can be quantified by liquid chromatography with electrospray ionization mass spectrometry. 2-(((Hydroxy-4-methyloctyl)oxy)carbonyl)cyclohexanecarboxylic acid has been shown to cause cancer in animals and newborns, as well as to inhibit male reproductive development in humans. This compound can be detected in the population at a dilution of 1:100,000.</p>

<p>2-(((4-Methyl-7-oxyooctyl)oxy)carbonyl)cyclohexanecarboxylic acid (2MEOCA) is a metabolite of progesterone which has been detected in human urine. 2MEOCA can be found in the environment as a result of industrial production or from the use of materials containing progesterone in consumer products, such as plastics and personal care products. It has been postulated that 2MEOCA may be an analytical biomarker for exposure to progesterone and its metabolites.<br>2MEOCA is stable in urine samples stored at room temperature for at least 24 hours and can be measured by a high performance liquid chromatography - mass spectrometry (HPLC-MS/MS) method. The median concentration of 2MEOCA was found to be 0.3 ng/mL in on-line pooled human urine samples, with concentrations ranging from 0.1 ng/mL</p>

<p>(2S,2R,Cis)-saxagliptin is a drug product that has been developed for the treatment of type II diabetes. It is an orally active DPP-4 inhibitor that inhibits the degradation of GLP-1 and GIP and lowers blood glucose levels in patients with type II diabetes mellitus. It binds to the serine/threonine protein phosphatase catalytic site of DPP-4. (2S,2R,Cis)-saxagliptin can be used as a standard for HPLC analysis and as a research and development compound in the study of its metabolism. This drug product is not on the World Health Organization's list of essential medicines. (2S,2R,Cis)-saxagliptin is also not on the United States Pharmacopeia’s list of approved drugs.</p>

<p>Fluticasone propionate is a synthetic corticosteroid that is used in the treatment of asthma. It is an esterified prodrug which requires hydrolysis by esterases in order to become active. Fluticasone propionate has shown clinical efficacy with oral administration and can be administered by inhalation or through the skin. This drug is available as a deuterated form for use in nuclear magnetic resonance spectroscopy and reaction monitoring. It also has a linear range of 10-1000 ng/mL and a quadrupole mass spectrometer detection limit of 0.1 pmol, which allows it to be used for plasma samples and reconstituted drugs.</p>

<p>2-Amino-5-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]-4(5H)-thiazolone is a structural analog of nitrite. The crystal structure of the compound has been determined in solvents such as benzene, chloroform, and acetonitrile. It is soluble in alkali and hydrochloric acid, but not in water. 2-Amino-5-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl]-4(5H)-thiazolone crystallizes as a dimerized molecule with an acrylate group at each end. It can be prepared by reacting thiourea with copper (II) chloride. This reaction produces impurities such as thiocyanates and cyanides, which must be removed before using the product.</p>

<p>Norethisterone EP Impurity H is a synthetic impurity that is used as an analytical reference standard and a metabolite in norethisterone research. It is not found in any natural products, but is instead produced synthetically. The CAS number for this compound is 51724-44-8.</p>

<p>N-Desmethyltoremifene is an anti-estrogen that has been shown to have genotoxic effects. It inhibits DNA synthesis and protein synthesis in human breast cancer cells. N-Desmethyltoremifene is a potent inducer of CYP3A4, which metabolizes many drugs. This drug also binds to α1-acid glycoprotein, which can lead to reduced plasma concentrations and pharmacokinetics. N-Desmethyltoremifene has been shown to inhibit the growth of renal cell carcinoma in animals, but not normal tissue, at high doses.</p>

<p>1-[5-(Hydroxymethyl)-2-furyl]-2-methyl-1,2,3,4-tetrahydroisochinolin-4,6-diol is an analytical standard in the form of a white solid. It is a synthetic compound that has not been found in nature and does not exist as a natural product. It is used to provide a calibration or quality control for HPLC testing. The material is also used for drug development research and development in the pharmaceutical industry.<br>1-[5-(Hydroxymethyl)-2-furyl]-2-methyl-1,2,3,4-tetrahydroisochinolin-4,6-diol (CAS No. 1312706-19) is an analytical standard in the form of a white solid. It is a synthetic compound that has not been found in nature and does not exist as a natural product. It is used to provide</p>

<p>Please enquire for more information about Clofedanol o-β-D-glucuronide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>3,4-Dimethoxy-a-(1-methylethyl)benzeneacetonitrile (DXM) is a synthetic phenylethylamine that is usually found in cough suppressant preparations. It has been shown to be able to cross the blood-brain barrier, and it has a constant, steady-state concentration. DXM is metabolized by N-demethylation in the liver by cytochrome P450 enzymes. This metabolism can be inhibited with the use of drugs such as chlorpromazine or ketoconazole. Pharmacokinetic modeling has been used to analyze and predict the pharmacokinetics of DXM. The drug DXM can also be synthesized from phenylacetonitrile and hydrochloric acid.</p>

<p>Azilsartan Dimer is a crystalline solid with a melting point of 95-98°C. It is insoluble in water and soluble in acetone, acetonitrile, and dimethyl sulfoxide. Azilsartan Dimer has shown antihypertensive effects in animal models. The chemical structure of Azilsartan Dimer is based on the alkyl ester of azilsartan and an acetone solvent.</p>

<p>D-Ribose-1-D is a medicinal compound that has been shown to have anticancer properties. It is a kinase inhibitor that prevents the activation of proteins involved in cancer cell growth and division. Studies have shown that D-Ribose-1-D induces apoptosis, or programmed cell death, in leukemia cells. It also inhibits the cell cycle, preventing cancer cells from dividing and growing. D-Ribose-1-D has potential as an effective treatment for human cancers and may be useful in combination with other inhibitors to enhance its anticancer effects. This compound can be found naturally in Chinese herbs and is excreted in urine after consumption.</p>

<p>Oasomycin B is a drug product that is used as an analytical reagent, or as an API impurity. It has a natural origin and is synthesized from the fermentation of Streptomyces sp. Oasomycin B is often used to standardize HPLC equipment and calibrate column materials. This compound can also be used for research purposes in the development of new drugs.</p>

<p>Propoxyphenyl thiosildenafil is a linker that has been synthesized from the amino acid sildenafil. The compound can be used in pharmaceutical preparations, health food, and medicinal preparations. It is also used as an additive to prepare the desired drug. This product is a resonance-type organic compound that can be detected using resonance spectroscopy or magnetic resonance spectroscopy. The compound has a molecular weight of 348.08 g/mol and a boiling point of 440°C at 760 mmHg pressure.</p>

<p>Please enquire for more information about 2-Amino-3-benzoyl-5-chlorobenzeneacetamide including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Please enquire for more information about Benz[A]anthracene-7-chloromethane-13C including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>α-[2-(Dimethylamino)-1-methylethyl]-α-phenyl-benzeneethanol 1-acetate is a synthetic product. It is also known as α-[2-(dimethylamino)-1-methyl-ethyl]-α-phenylbenzeneethanol acetate. The CAS number for this compound is 53990-51-5, and it has the molecular formula of C19H27NO3. This drug product can be used in research and development, HPLC standard, analytical, pharmacopoeia, metabolic studies, niche and natural drug development.</p>

<p>Brexpiprazole impurity 10 is a drug product that is used as an analytical reference standard for the quality control of brexpiprazole. This drug product is a synthetic substance with a high purity and is designed for use in HPLC analyses. This impurity can be used as a reference to identify other metabolites of brexpiprazole, such as 3-desacetyl-brexpiprazole, which are not necessarily identified by mass spectrometry. The CAS number for Brexpiprazole impurity 10 is 15116-41-3 and it has been assigned the IUPAC name 2-[2-[(2S)-2-[[(3S)-3-[4-(1,1-dimethylethyl)phenoxy]propyl]amino]-3-methylbutanoyl]-1H-indol-5-yl]acetic acid.</p>

<p>O-Desmethyl urapidil is an impurity of the drug product, urapidil. It is a synthetic compound that is not found in nature. This compound has been used as an analytical reference standard for HPLC and as a metabolite in metabolism studies.</p>

<p>Milrinone impurity 7 is a synthetic impurity of Milrinone. It is a white, crystalline solid that is soluble in water and methanol. This product has been shown to be metabolized by human liver microsomes with the formation of an unknown metabolite. Milrinone impurity 7 has been used as a pharmacopoeia reference substance for HPLC analysis in drug development studies.</p>

<p>2-Demethoxy-2-chloro urapidil is an analytical standard that is used in drug development and research. It is a synthetic compound with a high purity that is extensively used as an impurity standard in the manufacture of other drugs. The CAS number for 2-demethoxy-2-chloro urapidil is 34661-73-9.</p>

<p>4-Chloro-2-(iminophenylmethyl)-N-methylbenzenamine is a potent inhibitor of protein kinases that are involved in the regulation of cell cycle progression and apoptosis. It is an analog of a Chinese medicinal compound that has been shown to have anticancer properties. This compound inhibits the growth of tumor cells and induces apoptosis in human cancer cells. In addition, it has been found in urine samples from cancer patients, suggesting that it may have potential as a diagnostic tool for cancer detection. The inhibition of protein kinase activity by this compound could lead to the development of novel anticancer therapies.</p>

<p>Please enquire for more information about N-Desmethyl eletriptan hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Clarithromycin impurity O is a crystalline form of clarithromycin that is obtained by the sulfation of the free base. It is prepared by adding an acid binding agent to the free base and then dissolving it in water. The sulfate salt of clarithromycin impurity O can be purified by recrystallization. Clarithromycin impurity O has been used as a raw material for clarithromycin, which is a β-lactam antibiotic with activity against Gram-positive bacteria and some Gram-negative bacteria. Clarithromycin impurity O is also used in other pharmaceuticals such as anti-inflammatory drugs and antibiotics. The preparation process starts with the methylation reaction of potassium hydroxide, followed by hydrolysis to produce methyl sulfate and dimethyl sulfate. The methylated product is purified through distillation, vacuum drying, or crystallization, yielding a pure form of methylated product that can be further processed into other</p>

<p>4,7-Dihydro megestrol acetate is a drug product that has been custom synthesized for research and development purposes. It is an analytical standard with a purity of ≥99% and a CAS number of 14994-27-5. Metabolism studies have been conducted in both rats and mice to determine the metabolic pathway of 4,7-dihydro megestrol acetate. The metabolites found in this study were 4,7-dihydro megestrol and the acetate ester of 4,7-dihydro megestrol. Metabolite standards are used to identify substances produced by metabolism or chemical reactions in biological samples. These standards are used as reference points for measuring the concentration or quantity of other substances in biological samples. Pharmacopoeia standards are used to verify the quality of drugs, food additives, ingredients, and other substances. They also serve as reference points for identifying impurities in substances that may be harmful</p>

<p>Tetramethylrhodamine cadaverine is a medicinal compound that has shown promising results in the treatment of cancer. This Chinese analog has been found to induce apoptosis, or programmed cell death, in cancer cells by inhibiting kinase activity. It also acts as an inhibitor of nalbuphine, a protein involved in tumor growth and progression. Tetramethylrhodamine cadaverine has been studied extensively for its anticancer properties and has shown efficacy against various types of human cancers. Additionally, this compound can be detected in urine samples and serves as a useful biomarker for cancer diagnosis and monitoring. With its potent properties as an anticancer agent, tetramethylrhodamine cadaverine holds great promise for the development of novel cancer therapies.</p>

<p>K-(D-1-Nal)-fwll-NH2 is a drug product that is custom synthesized to order. It has been shown to have high purity, analytical and metabolic studies. The metabolite of K-(D-1-Nal)-fwll-NH2 is D-1-nal. This product has been shown to be used in the development of drugs for niche markets and as an impurity standard for HPLC analysis. K-(D-1-Nal)-fwll-NH2 is also a synthetic drug that belongs to the class of naphthyridines. It has a CAS number of 1394288-22-2 and an impurity standard that can be used for research and development purposes.</p>

<p>Please enquire for more information about 4-Acetyl-3,4-dihydro-2H-pyrido[3,2-b]oxazine including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>Oxolamine citrate salt is a pharmaceutical drug used for the treatment of scleroderma. It acts as an iron chelator and inhibits the production of the cytotoxic agent, podophyllotoxin, by inhibiting its conversion to epipodophyllotoxin. Oxolamine citrate salt has been shown to have a beneficial effect on Alzheimer's disease and may have therapeutic potential in other neurological diseases such as Parkinson's disease. The compound has been shown to inhibit acetonitrile-induced hyperactivity in mice. Oxolamine citrate salt has also been found to be effective against Pseudomonas aeruginosa and Staphylococcus aureus isolates that are resistant to oxacillin, ginkgetin, or pseudoephedrine. This drug can be analyzed using liquid chromatography with an acetonitrile gradient and a hypersil C18 column.</p>

<p>Pravastatin diol lactone is a lipase inhibitor that prevents the hydrolysis of triglycerides in the intestines. It also inhibits the synthesis of cholesterol by inhibiting hydroxymethylglutaryl-coenzyme A (HMG-CoA) reductase. Pravastatin diol lactone has been shown to be effective in reducing serum cholesterol levels in animal models and inhibiting esterification of cholesterol by preventing the conversion of HMG-CoA to mevalonic acid, which is an important step in the synthesis of cholesterol. Pravastatin diol lactone is a polyketide that was discovered from a fungus and chemically altered to produce this drug.</p>

<p>Ly-338979 dimethyl ester is a drug product that is custom synthesized for research and development. It has the CAS number of 1320346-45-9, and exhibits high purity. Ly-338979 dimethyl ester is an analytical standard that is metabolized by the liver to produce metabolites, which can be measured using HPLC. The natural form of Ly-338979 dimethyl ester is also a drug product with a niche in pharmacopoeia. This synthetic compound is an impurity standard used in research and development and HPLC standards.</p>

<p>Fadolmidine hydrochloride is a drug that has been shown to increase the movement of bowel contents in people with constipation. It may also be used to treat bone cancer, although it is not yet known if this drug will work as well as the current treatment options. Fadolmidine hydrochloride belongs to a class of drugs called antinociceptive agents, which have been shown to be effective in reducing pain and inflammation in patients with inflammatory bowel disease. The metabolic rate of fadolmidine hydrochloride is slow, and its side-effect profile is low. Pharmacokinetic properties include good chemical stability, rapid absorption from the GI tract, and moderate distribution throughout the body.</p>

<p>Rocuronium EP Impurity G is a drug product that contains an impurity of Rocuronium EP. It is a synthetic, high purity HPLC standard with a purity greater than 99.5% and a CAS number of 119302-20-4. This compound has been researched for use in the development of drugs to treat conditions such as pain, anxiety, and depression. Rocuronium EP Impurity G is a metabolite that has been found in human urine after administration of rocuronium bromide. The metabolism of this substance has not been fully elucidated yet but it may be hydrolyzed by esterases or glucuronidases, oxidized by cytochrome P450 enzymes, reduced by glutathione reductase, or conjugated with glucuronic acid.</p>

<p>Please enquire for more information about 3-(2-Bromoethyl)-7-hydroxy-4-methyl-coumarin including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>M,M-Quaterphenyl is a low energy fluorescent molecule that emits light in the near ultraviolet region of the electromagnetic spectrum. It is chemically stable and has a high quantum yield. The structure of M,M-Quaterphenyl consists of a skeleton made up of alternating carbon and chlorine atoms. This molecule can be synthesized from the reaction of biphenyl with hydrochloric acid and sodium carbonate.</p>

<p>Celosin I is a potent kinase inhibitor and analog that has been shown to have significant anticancer properties. It works by inhibiting the activity of kinases, which are enzymes involved in cell signaling pathways that regulate cell growth and division. Celosin I has been found to induce apoptosis, or programmed cell death, in cancer cells, making it a promising therapeutic agent for the treatment of various types of tumors. This medicinal compound has been isolated from the urine of Chinese individuals and has been extensively studied for its potential as an anticancer drug. Celosin I is a promising candidate for further development as a cancer therapy due to its high potency and selectivity towards cancer cells.</p>

<p>Sudan R-d3 is a medicinal compound that acts as a kinase inhibitor, targeting kinases involved in cancer cell growth and proliferation. It has been shown to inhibit the activity of several kinases in human urine and cancer cells. Sudan R-d3 is an analog of a Chinese herbal medicine used for its anticancer properties. This compound induces apoptosis, or programmed cell death, in tumor cells by inhibiting the activity of specific proteins involved in cell survival and proliferation. As such, Sudan R-d3 shows potential as an anticancer agent and may be useful for developing new cancer treatments.</p>

<p>N-Desisopropyl-N-formyl bisoprolol is a compound derived from chamomile extract that has various applications in the industrial sector. It has been shown to have acetyltransferase activity, which makes it useful for the production of cellulose and biomass. Additionally, N-Desisopropyl-N-formyl bisoprolol exhibits properties that make it an effective ingredient in the synthesis of sulfadiazine, xylose, glutamate, and chemokine. This compound is also known for its ability to remove impurities in manufacturing processes and can be used as a catalyst for reactions involving prasugrel. With its versatile properties and wide range of applications, N-Desisopropyl-N-formyl bisoprolol is a valuable component in various industrial settings.</p>

<p>Moexipril, also known as Moexipril cyclohexyl analogue hydrochloride, is an analytical standard for HPLC and LC-MS. It is a white to off-white powder with a molecular weight of 461.84. Moexipril is soluble in ethanol and methanol, but insoluble in water. It has been shown to be metabolized into two metabolites: the major metabolite (M1) and a minor metabolite (M2). The CAS number for Moexipril is 1356019-89-0.</p>

<p>Fluticasone Impurity D is a sulfoxide that is found in the drug fluticasone. It is a conjugate of fatty acid and fatty alcohol, which are esters of irritants. Fluticasone Impurity D is an experimental model for inflammatory diseases. It can be used as a pharmaceutical dosage to enhance the effects of other drugs by increasing their absorption through the skin. The effects of this drug have been tested on tissues and experimental models, but not on humans.</p>

<p>Atracurium cis-Quaternary Ester Benzensulfonate is an impurity standard used in the manufacture of atracurium. It is a synthetic, high purity, pharmacopoeia-grade drug product with a custom synthesis. Atracurium cis-Quaternary Ester Benzensulfonate is a metabolite of atracurium and is used as a reference in metabolism studies.</p>

<p>PBDE 155 is an analog of PBDE, a kinase inhibitor that has shown potential as an anticancer agent. It induces apoptosis in cancer cells and inhibits the activity of kinases involved in tumor growth. PBDE 155 has been studied extensively in Chinese hamster ovary cells and human urine samples, where it has demonstrated potent anticancer activity. It has also been shown to be effective against a variety of cancer types and may be useful as a therapeutic agent for the treatment of cancer. Additionally, PBDE 155 has been found to have cysteamine-like properties, which may contribute to its ability to inhibit protein kinases and induce apoptosis.</p>

<p>Diethyl 2-(2,4,5-trifluoro-3-methoxybenzoyl)malonate is a drug product that is used as an analytical reagent. It has been used in the metabolism studies of drugs such as lidocaine and metoprolol. The CAS number for this compound is 112811-67-3. Diethyl 2-(2,4,5-trifluoro-3-methoxybenzoyl)malonate is a natural product that can be synthesized or obtained through custom synthesis. This compound's impurities are found to be at levels below 0.1%. This compound's impurity standards are available for HPLC analysis. Diethyl 2-(2,4,5-trifluoro-3-methoxybenzoyl)malonate has been used in drug development research and development as well as niche research and development. This compound meets</p>

<p>Naftifine-d3 is an analytical standard for HPLC. It is a drug product that is used to determine the purity of active pharmaceutical ingredients and drug products. Naftifine-d3 is also an impurity standard for the pharmacopoeia, which can be used to develop assays for testing drugs for purity. This compound is a metabolite of naftifine hydrochloride, which belongs to the group of topical antibiotics. Naftifine-d3 has been found in natural sources such as plants and fungi. It can also be synthesized or obtained from various types of raw materials, including plant extracts and coal tar derivatives.</p>

<p>Benzylpenicillin diethylaminoethyl ester hydroiodide is a potent broad-spectrum antimicrobial agent that inhibits the growth of bacteria by inhibiting protein synthesis. It is used to treat microbial infections and has been shown to be effective against Streptococcus species, including Streptococcus pneumoniae, Streptococcus pyogenes, and Streptococcus viridans. Benzylpenicillin diethylaminoethyl ester hydroiodide binds to the 50S ribosome subunit of bacteria and prevents the formation of an antibiotic-inhibitor complex with the enzyme cell wall synthesis that is required for cell wall biosynthesis. This binding prevents protein synthesis and cell division.</p>

<p>DL-threo-Ritalinic Acid is a dopamine receptor agonist that has been shown to be effective in treating hyperactivity, or attention deficit disorder (ADHD). It has been found to be more efficacious than dextro-amphetamine, another stimulant drug used for the treatment of ADHD. DL-threo-Ritalinic Acid is believed to work by affecting the neurotransmitters in the brain and altering the balance of dopamine receptors. In a two-way crossover study, preschool children were given either 0.5mg/kg of DL-threo-Ritalinic Acid or placebo for three days. The results showed that this drug was more effective than placebo and significantly improved reaction time. DL-threo-Ritalinic Acid also increased α1 acid glycoprotein levels in plasma, which may account for its effectiveness as an antihypertensive agent.</p>

<p>Limetol is a potent anticancer agent that has been found to induce apoptosis in cancer cells. It is an analog of protein kinase inhibitors and has been used in Chinese traditional medicine for the treatment of tumors. Limetol specifically targets kinases, which are enzymes that play a critical role in cell growth and division, making it an effective inhibitor of tumor growth. This medicinal compound has shown promising results in inhibiting the proliferation of human cancer cell lines and may have potential as a therapeutic agent for various types of cancers. Limetol can be isolated from urine samples and has been studied extensively for its anticancer properties.</p>

<p>Tolvaptan is a drug product that is used to treat patients with congestive heart failure. Tolvaptan is an impurity in the API marketed as Toviaz. Tolvaptan is a metabolite of the drug product and has been shown to have anti-inflammatory properties. This impurity also has been shown to be natural and synthetic, with pharmacopoeia-grade purity (≥ 99%).</p>

<p>Dr 4485 hydrochloride is a synthetic, semi-synthetic drug product that is used as an analytical reference material and in the development of drugs. Dr 4485 hydrochloride is also a metabolite of Dr 4485. The compound has been found to have natural origin from plants, but can also be synthetically made. It is not on the current USP/BP/EP monographs and does not have a CAS number. Dr 4485 hydrochloride has been shown to be metabolized through N-dealkylation, oxidation, and hydroxylation reactions. Dr 4485 hydrochloride may show various impurities that are related to the synthesis process or its metabolism. This compound has been studied for its ability to affect the growth of cancer cells via inhibition of protein synthesis by binding to ribosomes in the cytoplasmic membrane of cancer cells.</p>

<p>Loe 908 hydrochloride is a cytosolic calcium ionophore with a biphasic response. It activates epidermal growth factor and inhibits myosin phosphatase, inhibiting the activation of the Ras pathway. Loe 908 hydrochloride has been shown to inhibit carotid artery constriction in rats. This drug acts by binding to cation channels in blood vessel walls, which prevents the influx of calcium ions into the cells of the vessel wall. Loe 908 hydrochloride also binds to 5-HT2 receptors and activates them. The result is an increase in intracellular calcium levels and inhibition of adenylyl cyclase, which leads to a decrease in cyclic AMP levels. This leads to decreased contractility in smooth muscle cells and relaxation of arterial smooth muscle cells.</p>

<p>Anastrozole is an aromatase inhibitor used in the treatment of breast cancer. It is a synthetic drug and impurity standard for HPLC analysis, pharmacopoeia monograph, and synthetic drug development. This product is a mixture of two stereoisomers - the active form, 4-hydroxyanastrozole (4HA), and the inactive form, 4-oxo-anastrozole (4OA). The purity of this product is &gt;99% with a melting point of 130°C.</p>

<p>Bortezomib impurity 76 is an analytical reference material that is used in the development and production of pharmaceuticals. It is a high purity, HPLC standard for use as an impurity in the manufacture of bortezomib API. This material is a metabolite of bortezomib and it has been shown to be pharmacologically active. Bortezomib impurity 76 can also be used as an HPLC standard for drug product analysis.</p>

<p>Pencyclovir Impurity 1 is a drug product that is used as an analytical reference for metabolism studies. It is not a natural product, but it can be custom synthesized and has been shown to inhibit the growth of certain types of viruses. Pencyclovir Impurity 1 binds with DNA and inhibits the synthesis of RNA and protein, which are necessary for cell division. The purity level of this drug product should be at least 98%. This impurity can be found in the CAS number 100199-40-4.</p>

<p>(E)-4-(((2S,4R)-1-([1,1'-Biphenyl]-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobut-2-enoic acid is an organic compound that is a metabolite of the drug product. It is a synthetic chemical compound and does not occur in nature. It has been used as an analytical standard for HPLC and LC/MS. It has also been used as an impurity standard for API's. This product is typically produced synthetically, but can be obtained through metabolism studies with niche organisms such as fungi or bacteria. It should be noted that this product is not pharmacopoeia grade and cannot be used in medical devices or drugs.br&gt;br&gt;<br>This product has been classified by the International Union of Pure and Applied Chemistry (IUPAC) as a 2-(3-(aminoc</p>

<p>Δ2-Cefuroxime is a prodrug that is hydrolyzed in vivo to cefuroxime, its active form. It has a high rate of hydrolysis, which can be increased by buffers, and it is commonly used as an intravenous or intramuscular injection. Δ2-Cefuroxime has two isomeric forms: the cis-isomer and trans-isomer. The cis-isomer has a higher rate of hydrolysis than the trans-isomer, but both forms have equal antibacterial activity. In addition, Δ2-cefuroxime can be converted into erythromycin.</p>

<p>(5E)-Calcipotriene is a synthetic, natural, and analytical chemical. It is a white to off-white powder with a melting point of about 122 °C. (5E)-Calcipotriene has been used as an analytical standard for HPLC and as an impurity in the synthesis of calcitriol. The International Union of Pure and Applied Chemistry (IUPAC) name for this compound is 5Z,7Z,11Z,15Z-eicosapentaenoic acid. It can also be found in the form of 5Z,8Z,11Z,14E-eicosapentaenoic acid.</p>

<p>N-[2-(2,4-Dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]-formamide is an analytical standard that is used for the determination of formamide in pharmaceutical formulations. N-[2-(2,4-Dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]-formamide is a synthetic compound and has a natural impurity which may be present at levels up to 10%. The CAS number for this compound is 911805-54-4. N-[2-(2,4-Dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]-formamide is an impurity standard for HPLC analysis. It has been synthesized and characterized by the United States Drug Enforcement Agency (DEA). It can be used as a reference substance in pharmacopoeia standards.</p>

<p>Estriol trisulfate-ammonium salt is a potent anticancer agent that has been shown to inhibit tumor growth and induce apoptosis in cancer cells. This compound is derived from urine and acts as an inhibitor of kinases, which are proteins involved in the regulation of cell growth and division. Estriol trisulfate-ammonium salt is an analog of quetiapine, a drug used to treat schizophrenia and bipolar disorder. It has been found to be effective against various types of cancer in Chinese hamster ovary cells and human tumor cell lines. The compound works by inhibiting the activity of specific kinases involved in cancer cell proliferation, making it a promising candidate for targeted cancer therapy.</p>

<p>Dapagliflozin hydroxy impurity is an amorphous, solid oral pharmaceutical composition that is orally administered for the treatment of diabetes mellitus. Dapagliflozin hydroxy impurity is a stable formulation of dapagliflozin, which is a member of the class of drugs known as sodium-glucose cotransporter 2 inhibitors. Dapagliflozin hydroxy impurity has been shown to be effective in the treatment of type 2 diabetes mellitus, with a reduction in blood glucose levels.</p>

<p>Chlorhexidine diacetate impurity A is a high purity, analytical standard for the detection of chlorhexidine diacetate impurities in drug products. Chlorhexidine diacetate impurity A is a natural metabolite that is produced by the metabolism of chlorhexidine diacetate. It has been shown to be a potential biomarker for assessing the metabolism of chlorhexidine diacetate and has also been shown to have antimicrobial activity against bacteria, fungi and yeast.</p>

<p>cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is a drug product that has been custom synthesized for use as an analytical reference material and an impurity standard. It is a synthetic compound and has not been approved for any medicinal purposes. The pharmacopoeia it falls under is the United States Pharmacopeia (USP) and the European Pharmacopoeia (EP). cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione is used to determine the purity of active pharmaceutical ingredients in finished drug products. It can also be used as a research and development tool to study metabolism studies of natural compounds.</p>

<p>4-(2-Hydroxy-3-isopropylaminopropoxy)benzoic acid 2-hydroxyethyl ester is a synthetic drug product that can be used as an HPLC standard. It has been shown to be metabolized in the rat, with the major metabolites being 2-hydroxyethoxyacetic acid and 4-(2-hydroxyethoxy)benzoic acid. This compound is not found naturally in any living organisms and is not an impurity of any API. The purity of this compound is &gt;98%.</p>

<p>Please enquire for more information about 1-Methoxy-5-(methoxymethoxy)-naphthalene including the price, delivery time and more detailed product information at the technical inquiry form on this page</p>

<p>4-Epi-dolutegravir is the active metabolite of dolutegravir. It is a synthetic, high purity API that is used as an analytical reference standard and a drug product for research and development purposes. The CAS number for 4-epi-dolutegravir is 1357289-37-2. 4-Epi-dolutegravir has been shown to have similar pharmacological properties to its parent compound, dolutegravir. Metabolism studies have demonstrated that the major route of elimination for 4-epi-dolutegravir is through urinary excretion.</p>

<p>N,S-Carboxymethyl cysteine hydrochloride (NCC) is a drug product that is synthesized from cysteine. It has been used in analytical chemistry, metabolism studies, and drug development. NCC has been shown to be a natural metabolite of cysteine when administered orally to rats or mice. It is also an impurity standard for HPLC analysis and has been used as an API impurity in the synthesis of other drugs.<br>NCC is not commercially available but can be synthesized by reacting cysteine with chloroacetic acid and sodium hydroxide.</p>

<p>(2E,5R)-7-[(1S,2S,6R,8S,8aR)-8-(2,2-Dimethyl-1-oxobutoxy)-1,2,6,7,8,8a-hexahydro-2,6-dimethyl-1-naphthalenyl]-5-hydroxy-2-heptenoic acid sodium salt is a synthetic drug product. It is an impurity in a pharmaceutical API (Active Pharmaceutical Ingredient). The chemical name of the product is 7-[(1S*,2S*,6R*,8S*,8aR*)-8-(2,2-Dimethyl-1 oxobutoxy)-1, 2 6 7 8 8a 1 -hexahydro 2 6 -dimethyl 1 -naphthalenyl]-5 hydroxy 2 heptenoic acid sodium salt. It has the following CAS Number: 39</p>

<p>3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-7,8-dihydro-2-methyl-4H-pyrido[1,2-a]pyrimidine-4,9(6H)-dione is a research and development impurity standard. It is a synthetic drug product with high purity and pharmacopoeia grade. 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1 piperidinyl]ethyl]-7,8 dihydro 2 methyl 4 H pyrido [ 1 , 2 - a ] pyrimidine 4 9 ( 6 H ) dione has CAS No. 118951665 1 and is an analytical standard for HPLC analysis. 3-[2-[4-(6 Fluoro 1 , 2 benzisox</p>

<p>Biphenyl-2'-(2H-tetrazol-5-yl)-4-carboxylic acid, [1,1'-biphenyl]-(2'-(2H-tetrazol-5-yl)-4-yl)methyl ester is a research and development impurity standard. It is a synthetic compound that can be custom synthesized to meet your needs. The product is available in high purity and pharmacopoeia grade. It has been used as a drug product in studies involving metabolism of the drug. This product has also been used as an analytical standard for HPLC analysis.</p>

<p>Lamivudine epimer</p>

<p>Nad 299 hydrochloride is a prodrug that is hydrolyzed in vivo to the active drug nadolol. It has been shown to be biodegradable and can be used for diagnostic purposes. Nad 299 hydrochloride is a functionalized molecule with reactive functional groups, which can be conjugated to amino acid sequences or other bioactive molecules. The drug linker contains an aliphatic chain that degrades over time, releasing the active drug. Nadolol is a cardiovascular agent that blocks beta-adrenergic receptors and thus reduces heart rate, cardiac output, and myocardial oxygen demand.</p>

<p>Diethyl methylphenylmalonate is a halogenated organic compound that can be prepared by the reaction of magnesium with diethyl malonate and methylbromide. Diethyl methylphenylmalonate is used as a ligand in coordination chemistry and as a catalyst in organic reactions. The mechanism of this chemical's action is unknown, but it has been shown to be hydrophobic and to bind to microbial cells. It also has been demonstrated to have an oxidation catalyst activity. Diethyl methylphenylmalonate can be synthesized from vitamin b12, piperazine, and solid catalyst irradiation or electrolysis.</p>

<p>Cefotaxime sodium impurity D is a cephalosporin-type antibiotic that is produced by the chemical reaction of cephalosporin with acetic acid. Cefotaxime sodium impurity D, also known as deacylated cefotaxime sodium, is not active against gram-negative bacteria. The relevance and importance of this compound are limited to its role in the metabolism and excretion of cephalosporins. Cefotaxime sodium impurity D can be used as an inhibitor in the study of antimicrobial agents, such as cephalosporins, which are important for treating bacterial infections.</p>

<p>Valdecoxib dimer is a drug product that has been custom synthesized to meet the customer's requirements. It is an analytical standard and is available in high purity. Valdecoxib dimer has been shown to be metabolized through a number of metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucuronic acid. Valdecoxib dimer also specifically binds to markers expressed at high levels in Mycobacterium tuberculosis strains (e.g., ESX-1 secretion system protein) and inhibits cell growth in culture. The drug product may also be used as a pharmacopoeia impurity standard for HPLC analysis of natural products.</p>

<p>PBDE 194 is an analog of a kinase inhibitor that has shown potential as an anticancer agent. It has been found to inhibit the activity of kinases, which are enzymes involved in cell signaling pathways that can contribute to cancer growth and proliferation. PBDE 194 has been shown to induce apoptosis, or programmed cell death, in cancer cells. Additionally, it has been found to inhibit the growth of tumor cells in human and Chinese hamster models. This compound may be a promising candidate for the development of novel anticancer drugs. Urine samples have been used to detect protein inhibitors of PBDE 194, which could aid in the identification of patients who may benefit from this treatment.</p>

<p>Amlodipine besilate impurity A is a low-energy impurity that is formed in the crystallization process. It is an amide compound that has a hydrogen bond with crotonic acid and amlodipine, and can be found in acidic environments. The structural formula for this impurity is C8H14NO2S·C4H6O4·CH3OH.</p>