APIs per la ricerca e le impurità

Vandetanib N-oxide is a drug product that is custom synthesized for research and development purposes. It has been shown to have high purity, analytical, and natural properties. Vandetanib N-oxide can be used as a metabolite or impurity standard in pharmacopoeias, such as the USP. The compound also has niche use in drug development and metabolism studies.

Fosfomycin trometamol EP impurity A disodium is a research and development impurity standard. It is a custom synthesis that is used as a drug product, synthetic, high purity, pharmacopoeia, drug development, metabolite, niche, analytical and natural. Fosfomycin trometamol EP impurity A disodium has been shown to have an HPLC standard and CAS No. 84954-80-3(free base).

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Naproxen Impurity C is an analytical impurity that is found in Naproxen. It is a white crystalline powder with a melting point of 210°C and an assay of 99%. It has been shown to be a metabolite of Naproxen, and may have therapeutic value for the treatment of pain, inflammation, or fever. The purity of this product has been verified by HPLC analysis.

Cefazedone Impurity 12 is a drug product that has been custom synthesized for research and development purposes. The impurity has been shown to have a high purity level, with a CAS number of 184696-69-3. Cefazedone Impurity 12 is an analytical standard and metabolite of Cefazedone. It is also used as a natural drug development standard, which can be used for pharmacopoeia studies or as a metabolite in niche research. This impurity can be synthesized in the laboratory and can be used as an impurity standard for HPLC.

N-Desbispropyl-N-pentyl-2-methyl ropinirole is an analytical reference standard. This product is a high purity, drug development, and API impurity. It is a CAS No. 249622-60-4 and has a niche, drug product, and impurity standard. This item is for Research and Development, High purity, Drug development, API impurity, HPLC standard, CAS No. 249622-60-4, niche, drug product, Impurity standard, Metabolite, pharmacopoeia Custom synthesis of natural or synthetic origin.

Regadenoson Impurity 28 is an analytical standard and research and development impurity. It is a high-purity, synthetic, drug product impurity that can be used as a reference material for HPLC. This drug impurity is also available in a custom synthesis service. Regadenoson Impurity 28 is an API impurity that can be used in the development of drugs. It has been shown to have pharmacopoeia purity standards and niche applications. Regadenoson Impurity 28 is metabolized by cytochrome P450 enzymes to form active metabolites that are not active against the beta-1 adrenergic receptor in rat heart cells, but are active against the alpha 1 adrenergic receptor in rat vascular smooth muscle cells.

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.

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.

Way 629 hydrochloride is a chemical compound that belongs to the class of synthetic, pharmacopoeia and drug development. It is used as an impurity standard and a custom synthesis. Way 629 hydrochloride is also used in the study of metabolism. This compound has been shown to be metabolized by cytochrome P450 enzymes, glucuronidases, glutathione reductase, or conjugation with glucuronic acid.

L-Threo-hex-2-enaric acid 1,4-lactone 6-methyl ester is a research and development compound. It is a metabolite of the drug product L-Threo-hex-2-enaric acid 1,4-lactone 6-(2,6,6)-trimethyl ester. L-Threo-hex-2-enaric acid 1,4-lactone 6-(2,6,6)-trimethyl ester (LTA) is an impurity in the drug product that is present as a result of its synthesis. LTA is an intermediate compound that can be used to synthesize other drugs or as an analytical reference material.

Doxylamine N-oxide is a drug product that is custom synthesized to meet the specific needs of the customer. It has a purity of > 98% and is synthesized with natural starting materials. Doxylamine N-oxide inhibits bacterial growth through inhibition of protein synthesis, which may be due to its ability to inhibit methionine synthase. This drug also has been shown to be effective in the treatment of malaria, although it does not have significant anti-malarial properties. Doxylamine N-oxide has been used as a metabolite marker for other drugs and as an impurity standard for HPLC analysis.

Quetiapine is a drug that belongs to the class of sulfoxides. It is usually administered orally, but can also be given intravenously or intramuscularly. Quetiapine has been studied for its clinical use in the treatment of schizophrenia and bipolar disorder. The plasma concentrations of quetiapine are determined by high-performance liquid chromatography (HPLC) with tandem mass spectrometry (LC-MS/MS) detection. Validation studies have shown that the HPLC-MS/MS method is accurate and precise, with good linearity over a range of concentrations. Analysis was performed on plasma samples from healthy volunteers who were administered either 2 mg or 10 mg doses of quetiapine by intravenous injection. Concentrations were calculated and compared to those found in patients with schizophrenia and bipolar disorder who had been given oral doses of 300 mg per day for four weeks, yielding a therapeutic plasma concentration range from 100 to 300 ng/mL.

(Z)-Fluvoxamine-EP is a drug product that is used as an analytical standard. It is a synthetic metabolite of fluvoxamine, which is a drug used for the treatment of depression. The synthesis of (Z)-fluvoxamine-EP is based on the asymmetric synthesis of fluvoxamine and the use of chiral chromatography to purify the product. This synthetic process allows for the production of high-purity (Z)-fluvoxamine-EP with a purity greater than 99%.

Pseudomonic acid D sodium is a drug product that is used for the development of novel drugs. It is a natural metabolite of pseudomonic acid A, which is found in the fungus Pseudomonas sp. Pseudomonic acid D sodium is used as an analytical standard to aid in the identification of pseudomonic acid A and its metabolites. Pseudomonic acid D sodium can be synthesized by reacting 2-chloro-4-nitrobenzene with sodium bisulfate. The synthesis proceeds through a sequence of three reactions, namely nucleophilic substitution, electrophilic substitution, and hydrolysis. The structure of pseudomonic acid D sodium has been confirmed using nuclear magnetic resonance spectroscopy (NMR) and mass spectrometry (MS).

Preterramide C is a drug that belongs to the class of drugs known as aminopyridines. It is a metabolite of preterramide A and has been used as an analytical reference standard for HPLC. This product is available in the form of a pure white crystalline powder with a purity greater than 98%. It has been shown to be an impurity in drug products and can be used as an impurity standard, as well as being synthesized by natural or synthetic means.

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.

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.

Ros 234 is a dioxalate salt of rosiglitazone, and is an anti-cancer agent that inhibits the growth of cancer cells. Ros 234 has been shown to inhibit inflammatory conditions such as asthma, rheumatoid arthritis, and colitis. It also modulates immune and autoimmune responses.

Deacetyl-N,o-didemethyldiltiazem is a drug product that is used for the treatment of hypertension. It is a synthetic compound and has not been found in nature. The impurity standard for this product is an analytical chemical that can be used to identify the presence of impurities in a sample. Deacetyl-N,o-didemethyldiltiazem can be synthesized from commercially available starting materials using custom synthesis methods. It is an API impurity and can be developed into a drug by researching and developing it as a niche therapy for hypertension. This compound has high purity and can be used as an HPLC standard.

Epi-canagliflozin is a drug product that is manufactured by HPLC. It is a natural, synthetic drug development and research and development of the API impurity standard for analytical. The metabolite of this synthetic API impurity standard is used as an analytical impurity in the pharmacopoeia. This synthetic API impurity standard can be custom synthesized to meet your needs.

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.

4-Desfluoro-4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-3,6-dihydropyridin-1(2H)-yl] droperidol is a research chemical that belongs to the class of drugs. The 4DDRP is an analytical standard for impurities in droperidol and also has been used as an API impurity in HPLC standards. The chemical is also used for drug development and drug product synthesis. 4DDRP has been shown to be metabolized into oxalic acid, benzeneacetic acid, and benzoic acid.

Spirolaxine is a coumarin derivative that has been shown to have anti-cancer properties. It was isolated from an extract of the fungus Spirolaxine, which was found in the gastroduodenum (gut) of a frog. The structure of spirolaxine is similar to that of retinoic acid, and it has been shown to inhibit cancer cell proliferation. Spirolaxine also inhibits the production of proinflammatory cytokines in mice with colitis. This drug has not yet been tested for its ability to treat other diseases, such as diabetes, but may be able to regulate blood sugar levels by inhibiting insulin secretion and increasing glucose uptake by cells.

Deschloro amlodipine is a drug that is used for the treatment of high blood pressure. It belongs to a group of drugs called calcium channel blockers. Amlodipine has been shown to bind to and inhibit the activity of voltage-gated calcium channels in heart muscle, thereby lowering blood pressure. Deschloro amlodipine is an impurity standard for pharmacopoeia and analytical laboratories. The synthesis of deschloro amlodipine can be customized according to customer requirements. This product will be shipped as soon as possible after purchase.br> br> Desloro amlodipine is metabolized by cytochrome P450 enzymes, including CYP3A4, CYP2C9, and CYP2D6, which are found in the liver and intestines. These enzymes convert desloro amlodipine into two metabolites: 4-hydroxyamlodipine and 4

Methyl 2-sulfinobenzoate (MSB) is an analytical, research and development, and drug development impurity that is used as an API impurity and HPLC standard. It is a metabolite of sulfadiazine, which belongs to the family of drugs known as sulfonamides. MSB has been shown to have pharmacopoeia activity for the treatment of bacterial infections. It is a natural product found in plants, such as garlic and onion, or it can be synthesized from benzene and sulfur chloride.

Desfluoro impurity is a drug product that is an analytical standard for the identification of impurities in API. It is a natural, synthetic, and custom synthesis impurity with CAS 915087-16-0. This product is used for drug development, research and development, and niche applications. Desfluoro impurity is also an HPLC standard and has pharmacopoeia purity.

Imipramine N-oxide hydrate is a drug product that is used in the synthesis of other drugs. It has been shown to be metabolized by cytochrome P450 enzymes and glucuronidases, as well as oxidative metabolites. Imipramine N-oxide hydrate is a metabolite of imipramine.

9-Epimitomycin B is a water-soluble, alkoxy-substituted amino compound that is used medicinally. It has antibacterial activity and has been shown to be effective against Gram-positive bacteria such as Staphylococcus aureus, Streptococcus pyogenes, and Enterococcus faecalis. 9-Epimitomycin B inhibits the growth of these bacteria by binding to their ribosomes and inhibiting protein synthesis. The carbon atoms in 9-epimitomycin B are linked to an alkoxy group at one end, which causes it to have a higher affinity for bacterial ribosomes than human ribosomes. 9-Epimitomycin B also binds to mitomycin C, which may be responsible for its antimetabolite properties.

Celecoxib hydrazine is an inhibitor of protein kinases that has been shown to have anticancer properties. It is an analog of celecoxib, a non-steroidal anti-inflammatory drug (NSAID) that is commonly used to treat pain and inflammation. Celecoxib hydrazine has been shown to induce apoptosis in human cancer cells and inhibit the growth of tumors in mice. This compound has potential as a medicinal agent for the treatment of cancer, and urine samples from Chinese patients with cancer have been found to contain high levels of this compound. Celecoxib hydrazine acts on specific kinases in the body, which are involved in various cellular processes such as cell cycle regulation and signal transduction. Its ability to selectively inhibit these kinases makes it a promising candidate for targeted therapy against cancer.

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.

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.

Ciprofibrate-o-β-glucuronide is the major metabolite of ciprofibrate in humans. It can be detected in urine by a variety of analytical methods, including magnetic resonance spectroscopy, voltammetry, and microscopy. Ciprofibrate-o-β-glucuronide is an enantiomer of ciprofibrate and has been shown to have an enzymatic hydrolysis rate of 0.07% per hour. This hydrolysis process is catalyzed by cytochrome P450 enzymes. Ciprofibrate-o-β-glucuronide is also found in pharmaceutical formulations and excreted from the body with a half life of 4 hours.

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.

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

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.

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.

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.

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.

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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.

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.

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

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.

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.

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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.

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.

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

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.

(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.

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.

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.

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-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).

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.

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.

(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.

Oxytocin impurity

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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>

Semaglutide impurity.

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.

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.