APIs pour la recherche et les impuretés

(S,S)-IsoValganciclovir hydrochloride is a drug product with a purity of 99.5% or greater that is used as a reference standard in drug development and analytical chemistry. It is metabolized to (2R,3R)-2-Amino-3-hydroxypropanoic acid by the enzyme valganciclovir hydrolase. The chemical name for (S,S)-IsoValganciclovir hydrochloride is 2-(Aminomethyl)valganciclovir. The CAS registry number for this compound is 1401562-13-7.

Amoxicillin EP Impurity L is an impurity standard for amoxicillin. It is a synthetic compound that is used to ensure the quality of amoxicillin drug products. Amoxicillin EP Impurity L 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. This impurity has also been shown to have anti-inflammatory properties and may be due to its inhibition of prostaglandin synthesis.

Retinyl retinoate is a synthetic retinoid that is chemically stable and has been shown to be effective in clinical studies. Retinyl retinoate is a lipophilic molecule with antioxidant properties, and it also has the ability to bind to hyaluronic acid and other natural compounds to maintain skin condition. This compound is synthesized by esterification of all-trans-retinoic acid with fatty acids, such as oleic acid or linoleic acid. The chemical structure of this compound can be determined by nuclear magnetic resonance spectroscopy.

5α,6α-Epoxycholestanol-d7 is an impurity of a cholestatic drug product. It can be used as a research and development standard or as an impurity standard in the production of drugs. 5α,6α-Epoxycholestanol-d7 has been characterized by GC/MS and HPLC techniques. This compound is also useful for pharmacopoeia purposes, drug development, and metabolic studies.

CAS No.: 159970-52-6
Remdesivir impurity 9 is a synthetic, natural and drug development impurity standard. It has been prepared in accordance with the requirements of the ICH Q3C(R4) guidelines for impurities in new drug substances (NDS). Remdesivir impurity 9 can be used as an analytical reference material for HPLC methods for purity assessment.
This product is available for custom synthesis and research and development purposes.

Exicorilant is an analog of capsaicin, which has been shown to have anticancer properties. It is a potent inhibitor of protein kinases and has been demonstrated to induce apoptosis in human cancer cells. Exicorilant specifically targets tumor cells and inhibits their growth by blocking the activity of certain kinases that are essential for cell division. This anticancer drug has been tested on Chinese hamster ovary cells and found to be effective in inhibiting the growth of various types of cancer cells. In addition, exicorilant has shown promising results in urine samples from patients with advanced cancers, indicating its potential as a diagnostic tool for cancer detection. Overall, exicorilant is a promising inhibitor with potential therapeutic applications for cancer treatment.

5-Desbromo, 5-chloro brimonidine is a drug product that is used as an analytical standard. It has been shown to be metabolized by CYP3A4 and CYP2D6 enzymes.

Rac-Benzyl phenylephrone hydrochloride is a synthetic compound that is not found in nature. It can be used as an analytical standard or a pharmacopoeia impurity standard. Rac-Benzyl phenylephrone hydrochloride has been shown to inhibit the activity of CYP3A4, an enzyme which metabolizes many drugs. As a result, it may be useful for drug development and research and could have applications in niche markets such as natural products.

Trazodone Impurity A is a drug product that is an impurity standard for Trazodone. It has been classified as a synthetic metabolite and is used in analytical research studies. Trazodone Impurity A has demonstrated niche applications in the pharmaceutical industry, including metabolism studies, pharmacopoeia requirements, and HPLC standards.

O-Acetyl silodosin is a synthetic, natural metabolite of silodosin. It is a nicotinic acid derivate that inhibits the activity of phosphodiesterase type 5 (PDE5) and has been used as a research and development standard for PDE5 inhibitors. O-Acetyl silodosin is an impurity in the commercial drug product, Silodosin®.

Doxorubicin impurity 15 is a natural product that is used as an analytical reference standard in pharmacopoeia. It has been synthesized for use in drug development and research and development, and is available as a high-purity HPLC standard. Doxorubicin impurity 15 has a CAS number of 131086-18-5.

(6R)-Folinic acid is an impurity standard and a metabolite of folic acid. It is synthesized by the body in the liver, where it is converted to 5,10-methylenetetrahydrofolate (5,10-MTHF). This metabolite is used to convert homocysteine into methionine, which can then be converted into S-adenosylmethionine (SAMe), a compound that has been shown to have antidepressant properties. The methylation of folate also helps to regulate DNA synthesis and repair. (6R)-Folinic acid has been used in research as a drug development tool for studying folate metabolism and its effects on the central nervous system. High purity standards are available for use in HPLC analysis of this compound.

Methyl mycophenolate impurity E is a reactive, propargylamine-containing, monosodium salt with immunosuppressive properties. It is used in the treatment of cancer by inhibiting the production of white blood cells, which are needed to fight infection. Methyl mycophenolate impurity E has shown antitumor activity and can be used for the treatment of some types of cancer. It is metabolized in vivo to methyl mycophenolate and inhibits protein synthesis by alkylating DNA.

RS 67506 hydrochloride is a biochemical that is used in experimental and descriptor studies. The ketone group has been found to be an important part of the molecular structure. RS 67506 hydrochloride has been shown to have a number of biological properties, including inhibition of the synthesis of neurotransmitters such as dopamine, serotonin and norepinephrine; it also has anti-nervous system activity. This chemical was also found to inhibit the synthesis of prostaglandin E2 in human neutrophils. It is hypothesized that RS 67506 hydrochloride may inhibit phospholipase A2, which would prevent the release of arachidonic acid from phospholipids into the cell membrane and block the production of eicosanoids.

(E,Z)-Epalrestat methyl ester is a drug product that is custom-synthesized for research and development purposes. It is a natural metabolite of (E,Z)-epalrestat acid. The chemical name for this compound is 3-[(2-chlorophenyl)methyl]-N-(1H-indol-3-ylmethylene)malonamide. The molecular weight of this compound is 284.87 g/mol and it has an empirical formula of C24H27ClN2O2. It has been found to inhibit the activity of phosphodiesterase (PDE), which plays a role in the breakdown of cyclic nucleotides such as cAMP and cGMP. This product has high purity and analytical data that can be used for metabolism studies or clinical trials.

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Pirtenidine is a potent and selective kinase inhibitor that has been shown to inhibit the activity of cyclin-dependent kinases. It has demonstrated promising results in preclinical studies as an anticancer agent, inducing apoptosis in cancer cells. Pirtenidine is an analog of protein kinase inhibitors, which have been used to treat various types of tumors. It has been found to be effective against human cancer cell lines and has shown significant tumor growth inhibition in animal models. Pirtenidine has also been reported to be a potent urine inhibitor of Chinese hamster ovary cells, making it a promising candidate for the treatment of urinary tract cancers.

N-Formyl leurosine is an inhibitor of fatty acid synthesis. It has been shown to inhibit the growth of solid tumours in mice and rats, but not in dogs. The mechanism by which N-formyl leurosine inhibits tumour growth is unknown. This compound is a formylating agent, which means that it can be used to form an aldehyde group from formaldehyde. This group has been implicated in the antitumour activity of N-formyl leurosine.

Pravastatin 6-oxo Impurity is an impurity of Pravastatin, a drug used in the treatment of high cholesterol. The impurity has been identified through analytical methods and is characterized by HPLC analysis. This substance has been shown to be present in at least 0.1% of the drug product and may be present as a result of incomplete synthesis or a side-reaction during synthesis.

3'-[3-(3-Azido-2,3-dideoxy-b-D-erythro-pentofuranosyl)-3,6-dihydro-5-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-3'-deoxythymidine is an analytical standard used in the R&D and drug development of 3'-azido derivatives of thymidine. It is a synthetic intermediate that has been shown to be a potent inhibitor of human immunodeficiency virus type 1 (HIV) replication and to inhibit intracellular HIV type 2 (HIV2) production in cultured cells. 3'-[3-(3-Azido-2,3,-dideoxy--b erythro--pentofuranosyl)-3,6--dihydro--5--methyl--2,6--dioxo--1(2H)--pyrimidinyl]-

Desloratadine is a drug that belongs to the group of antihistamines and is indicated for the treatment of allergic rhinitis. It has been shown to be as effective as loratadine, cetirizine, and fexofenadine in clinical trials. Desloratadine is metabolized by cytochrome P450 enzymes including CYP2D6 to its active form, desloratadine N-oxide. The metabolites are excreted in the urine.

Pyrimido[1,2-a]purin-10(1H)-one is a cytotoxic drug used in the treatment of various cancers. It is an analog of purine nucleoside and has been shown to inhibit mitochondrial functions and nuclear DNA synthesis, as well as to induce malondialdehyde production. Pyrimido[1,2-a]purin-10(1H)-one also inhibits protein synthesis by methyltransferase inhibition. The detection sensitivity of pyrimido[1,2-a]purin-10(1H)-one has been demonstrated using titration calorimetry on sephadex g-100 columns. This compound is not active against E. coli K12 but is active against other bacteria including Staphylococcus aureus isolates that are resistant to methicillin.

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Cis-Tadalafil is a potent inhibitor of phosphodiesterase 5, which is used to treat erectile dysfunction (ED) and primary pulmonary hypertension (PPH). It works by increasing blood flow to the penis, allowing men with ED to achieve and maintain an erection. Cis-Tadalafil is also used to treat symptoms of prostatic hyperplasia (enlarged prostate) in men. This drug has been shown to be effective in treating PPH by reducing pulmonary arterial pressure and improving exercise capacity. Cis-Tadalafil belongs to the carboline class of drugs and is a phosphodiesterase 5 inhibitor that selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). This drug has been shown to be highly effective in treating both ED and PPH with minimal side effects.

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(S)-Rabeprazole sodium is an anticancer drug that acts as a kinase inhibitor. It is an analog of Rabeprazole and has been shown to inhibit the growth of cancer cells in vitro and in vivo. (S)-Rabeprazole sodium inhibits the activity of kinases, which are enzymes that play a key role in cell signaling pathways. This inhibition leads to apoptosis, or programmed cell death, in cancer cells. (S)-Rabeprazole sodium has been tested against various types of cancer, including Chinese hamster ovary cells and tumor xenografts in mice. It has also been shown to inhibit elastin degradation, which is important for preventing metastasis of cancer cells. (S)-Rabeprazole sodium may be a promising candidate for the development of new anticancer drugs that target specific kinases and proteins involved in cancer cell growth and survival.

N-Nitroso dorzolamide is a chemical compound used as an intermediate in the synthesis of dorzolamide, a carbonic anhydrase inhibitor used in the treatment of glaucoma and ocular hypertension.

Tofacitinib dihydro impurity is a research and development impurity standard for the synthesis of Tofacitinib. It is a custom synthesis with high purity, pharmacopoeia grade, and synthetic. This product is also used in drug development for metabolism studies and analytical applications.

N-Hydroxymethyl Sumatriptan is an analytical standard and a research and development impurity. It is also used as an API impurity in drug product manufacturing. N-Hydroxymethyl Sumatriptan can be synthesized by reacting the parent drug with hydroxyl radicals, which is a process that yields no side products. N-Hydroxymethyl Sumatriptan can be found in the following pharmacopoeia: United States Pharmacopoeia (USP) 11>, European Pharmacopoeia (EP), Japanese Pharmacopoeia (JP)13>, British Pharmacopoeia (BP), and Chinese Pharmacopiae (CPC).

2-(2-Amino-5-bromobenzoyl)pyridine (2ABBP) is a chemical compound with the molecular formula C10H7BrN3. It is a glucuronide conjugate of 2-amino-5-bromobenzoic acid and has been used as an immunological reagent in the form of a monoclonal antibody. 2ABBP binds to dryopteris, which is a plant species that contains polyphenols called pteridines. 2ABBP has been shown to have anti-inflammatory properties in rat liver microsomes and cell culture experiments. The mechanism of action may involve inhibition of cyclooxygenase enzymes, which are involved in prostaglandin synthesis. 2ABBP also binds to human serum albumin and chaperones, proteins that bind other proteins or small molecules. The biological activity of 2ABBP may be due to its ability to form coval

(3S,4R)-Tofacitinib is a rhombic and paramagnetic compound with a Curie point of approximately 10.6°C. It is soluble in nonpolar solvents such as benzene and toluene. (3S,4R)-Tofacitinib has been shown to have magnetic properties that are dependent on the temperature and the frequency of the applied magnetic field. The paramagnetic resonance spectra were observed at 18°C and 32°C, while the paramagnetic resonance spectrum was observed at -2°C. The octahedral interactions are likely due to the presence of six different types of iron ions in the crystal structure.

Terbinafine is a drug used in the treatment of onychomycosis, tinea versicolor and dandruff. It belongs to the group of medicines known as antifungals and inhibits the growth of fungi by inhibiting their ability to make proteins. Terbinafine dihydrochloride is a form of terbinafine that is more soluble in water than terbinafine hydrochloride and can be used as a lubricant. Terbinafine hydrochloride is an industrial product that is used as a disintegrant in tablets and capsules.

Linagliptin impurity G is an impurity in the drug product Linagliptin. It is a natural substance and its CAS number is 668270-11-9. Impurity G can be synthesized from L-phenylalanine and cyclohexane carboxaldehyde in a two step process. The first step involves the reaction of L-phenylalanine with cyclohexane carboxaldehyde to yield methylcyclohexanecarboxylate, which then undergoes hydrolysis to give phenylcyclohexanol. In the second step, phenylcyclohexanol reacts with hydrochloric acid to produce phenylcyclohexanone, which is then oxidized with hydrogen peroxide to yield impurity G. Impurity G can also be found in the pharmacopoeia as a high purity HPLC standard for linagliptin.

Sacubitril Impurity 2 is a drug product that is an analytical impurity in Sacubitril. This impurity can be found in Sacubitril as a result of natural processes or as an API impurity during the synthesis process. Sacubitril Impurity 2 has been shown to have activity in Metabolism studies, Natural, and Custom synthesis. It has been shown to be a Synthetic impurity standard and HPLC standard. Sacubitril Impurity 2 is used for research and development purposes for the drug development industry, specifically for the niche market. It is also used as an analytical standard for pharmacopoeia methods.

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Desfluoro ezetimibe is a synthetic cholesterol-lowering drug that inhibits intestinal cholesterol absorption. It is chemically synthesized, and the process includes the introduction of fluorine at the 3-position of the C-ring. Desfluoro ezetimibe is not metabolized in humans, but it may be subject to oxidative degradation. The product is also subject to oxidation by light and air, which may result in formation of impurities. The drug substance has been validated as well as its isomers and efficiencies in mass spectrometry detection.

Roflumilast impurity A is a metabolite of roflumilast. It is a drug product that is used as an analytical standard for the determination of roflumilast in HPLC analysis. Roflumilast impurity A is not natural and is synthetic. It has been shown to be a substrate for CYP1A2, CYP2C8, CYP2C9, and CYP3A4 enzymes. Studies have shown that it may be involved in the metabolism of roflumilast through hydroxylation and deamination.

Ivermectin impurity I is an analytical standard that is used for pharmacopoeia and custom synthesis. It is a natural metabolite of the drug Ivermectin, which has been shown to have anti-inflammatory properties in mice. Ivermectin impurity I binds to nicotinic acetylcholine receptors, leading to muscle paralysis and death. This compound is found in high purity for research and development purposes.

Piperacilloic acid is a synthetic compound that exhibits antibacterial activity. It has been shown to be effective against human pathogens, including urothelial carcinoma and human serum. Piperacilloic acid binds to the amino acids lysine and arginine in bacterial proteins and inhibits protein synthesis by inhibiting the function of enzymes that require these amino acids for their activity. The potency of piperacillin is low, but it is activated by hydrolysis in the acidic environment of the stomach or intestinal tract. Piperacilloic acid also has potential as a contraceptive agent because it may inhibit transcriptional regulation of genes that are involved in sperm production.

Ciprofloxacin ep impurity C is a synthetic compound. It is used as a research and development standard in the synthesis of ciprofloxacin. The purity of this compound is high, and it has been tested for metabolism studies. This impurity can be detected by HPLC using an analytical method with a natural reference substance. This impurity has not been evaluated for pharmacopoeia or CAS number.

Dicyclopropylamine hydrochloride is a tyrosine kinase inhibitor that blocks the activity of jak2. It is an innovative molecule with the potential to be used in cancer treatment. Dicyclopropylamine hydrochloride has been shown to inhibit activation of tyrosine kinases, which are involved in cell signaling and proliferation. Dicyclopropylamine hydrochloride also has anti-inflammatory properties, which may be due to its ability to inhibit prostaglandin synthesis. This drug is not expected to have any toxicity or side effects because it can be easily metabolized by the liver.br>br> Dicyclopropylamine hydrochloride is a white solid with a melting point of 175°C. It has no detectable odor, and it is soluble in water and ethanol. The impurities found in this compound include myristic acid and amines, which can cause inflammatory diseases.br>br> D

N-Desacetyl thiocolchicoside is a white crystalline powder that is soluble in water, methanol and acetone. It has a molecular weight of 320.2 and an empirical formula of C6H14O5. N-Desacetyl thiocolchicoside is used as an analytical standard for HPLC analysis, as a Research and Development (R&D) material for drug development, and as an impurity standard for the manufacture of pharmaceutical products. This compound has been shown to be a metabolite of thiocolchicoside and structurally similar to the drug product chitinase.

N-Benzyl albuterol is a drug product that is custom synthesized to be of high purity with an analytical standard. It is used in research and development, pharmaceutical development, and as a pharmacopoeia or analytical standard. N-Benzyl albuterol has been found to be a metabolite of the drug product Albuterol Sulfate. It is also used in metabolism studies and natural product research. The CAS number for this compound is 24085-03-8.

Pramipexole EP Impurity C is a synthetic impurity that is used as an impurity standard in the manufacture of Pramipexole EP. It is also used as a research and development tool for drug product, custom synthesis, CAS No. 1973461-14-1, and analytical studies. This compound has been shown to be a metabolite of Pramipexole EP and may have pharmacological properties. Pramipexole EP Impurity C has been found to inhibit the growth of certain bacteria, such as methicillin-resistant Staphylococcus aureus (MRSA) isolates.

3-Dimethylaminopropyl-2-benzylaminobenzoate hydrochloride is a versatile compound with various characteristics and applications. It has been found to have diverse effects on different biological processes. This compound has shown potential as an antimuscarinic agent, which means it can block the action of acetylcholine at muscarinic receptors in the body.

Simvastatin acid is the active form of simvastatin, a drug used to lower blood cholesterol levels. Simvastatin acid inhibits HMG-CoA reductase, the enzyme that converts HMG-CoA to mevalonate. This conversion is a rate-limiting step in the synthesis of cholesterol and other lipids. Simvastatin acid binds to polymerase chain and drug transporter proteins, which leads to cell lysis. The concentration–time curve for simvastatin acid is linear and the half-life is approximately 12 hours. When simvastatin acid is administered with drugs that are potent inducers of CYP3A4 or UGT1A1 enzymes, there may be an increased risk for drug interactions. Simvastatin acid has shown no significant human pharmacokinetic interactions with food or grapefruit juice at doses up to 200 mg/day. There are limited data on the pharmacokinetics of simvastatin

Empagliflozin S-furanose is a Custom synthesis drug product. It is an analytical standard with CAS No. 1620758-32-8, and it is used in research and development of new drugs. Empagliflozin S-furanose has been found to be a metabolite of empagliflozin, a drug that is used to treat type 2 diabetes mellitus. It is also used as an impurity standard for HPLC analysis of empagliflozin because it does not have any biological activity.

Acarbose Impurity E is an impurity found in acarbose. It is a natural, API impurity and is a synthetic impurity standard. Acarbose Impurity E has been used in drug development research and development, as well as in the HPLC analysis of acarbose to generate a pharmacopoeia-grade purity standard.

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Semaglutide impurity.

Oxytocin impurity

Etofenamate impurity

Chlorthalidone impurity E is an analytical standard for the HPLC analysis of chlorthalidone in pharmaceutical drug products and is a metabolite of chlorthalidone. Chlorthalidone impurity E is an API impurity that can be found in the synthesis of chlorthalidone, and it has been detected as a minor component in certain drug products. It is important to have an accurate specification for this compound, since it can affect the pharmacological properties of the drug product. The purity level of this compound must be at least 98% or greater to ensure that there are no contaminants present. This compound is also a metabolite of chlorthalidone and is used as a pharmacopoeia reference substance for testing equipment calibration.END>

Atorvastatin is a drug that belongs to the class of statins. It is used for the treatment of high cholesterol levels and other related diseases, such as cardiovascular disease. Atorvastatin calcium trihydrate EP Impurity G is an impurity that may be present in atorvastatin calcium trihydrate. This compound has not been found to have any pharmacological activity.

Triphosphorylated form of an antiviral nucleoside analog with activity against zoonotic feline infectious peritonitis virus (FIPV) and severe acute respiratory syndrome (SARS) virus from Coronaviridae family. The compound is the biologically active form of the GS 441524 prodrug and being triphosphorylated, it competes with natural nucleoside triphosphates in cells and interferes with viral RNA synthesis.  Made to order.