APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,440 products)
- Anthraquinones and derivatives(407 products)
- Benzimidazole and Imidazole Derivatives(10,464 products)
- Benzodiazepine Derivatives(335 products)
- Carbohydrates and glycoconjugates(5,388 products)
- Esters and Derivatives(42,306 products)
- Fatty Acids and Lypidic Derivatives(32,486 products)
- Flavonoids and Polyphenols(17,100 products)
- Free Radicals and Oxidant/Reducing Agents(214 products)
- Ketones and derivatives(2,692 products)
- Natural and semi-synthetic antibiotics(6,409 products)
- Nitriles and Cyano Derivatives(3,070 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,492 products)
- Organic Phosphates and Phosphonates(1,203 products)
- Organic Sulphonates and Sulphates(10,451 products)
- Organometallics(4,425 products)
- Others(6,340 products)
- Peptides and Proteins(3,164 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,974 products)
- Quinazoline and Quinoline Derivatives(66,217 products)
- Quinones and Derivatives(24,378 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(92,894 products)
- Steroids and Derivatives(4,987 products)
- Sulfonamides and Derivatives(2,607 products)
- Terpenoids and Derivatives(3,860 products)
- Thiazolidinediones and Thiopyrans(2,755 products)
- β-Adrenergic Compounds(231 products)
Found 66870 products of "APIs for research and impurities"
Biotin impurity E
Biotin impurity E is a metabolite of biotin that is produced by the metabolism of biotin in humans. It can be detected in urine, saliva, and blood. Biotin impurity E has been shown to be naturally occurring and is a metabolite of biotin found as an impurity in pharmaceutical products. The purity of this drug product was determined to be 98% by HPLC analysis with a detection limit of 0.1%.
Formula:C34H44N4O6S2Purity:Min. 95%Molecular weight:668.9 g/mol5-(2-Fluorophenyl)-1H-pyrrole-3-carboxylic acid
CAS:5-(2-Fluorophenyl)-1H-pyrrole-3-carboxylic acid is a synthetic drug that is used as an impurity standard. It has been shown to be metabolized by CYP450 enzymes and glucuronidases, and can inhibit the enzyme glutathione reductase. 5-(2-Fluorophenyl)-1H-pyrrole-3-carboxylic acid also has been shown to have antiplatelet activity, which may be due to its ability to inhibit the enzyme ADP cyclase.Formula:C11H8FNO2Purity:Min. 95%Color and Shape:PowderMolecular weight:205.18 g/molMolnupiravir Impurity 8
CAS:Controlled ProductMolnupiravir Impurity 8 is an impurity of molnupiravir, a drug product. It is a synthetic chemical compound that has not been found in nature. Molnupiravir Impurity 8 is the result of metabolism studies on the API (active pharmaceutical ingredient) and was observed to be more abundant than other impurities. Molnupiravir Impurity 8 is a white crystalline solid with CAS number 2492423-30-8. It is soluble in water, ethanol, acetone, and chloroform. The purity of this impurity is 99%.Formula:C13H19N3O7Purity:Min. 95%Molecular weight:329.31 g/molRotogotine EP impurity J
Rotogotine EP impurity J is a synthetic compound that is used as an impurity standard in the manufacture of rotogotine EP. It is a metabolite of rotogotine and has been shown to have pharmacological effects on animals. Rotogotine EP impurity J has been shown to have a high level of purity and is suitable for use as an analytical reference material in drug development, metabolism studies, and HPLC standards.Purity:Min. 95%3-O-Desmethyl amlodipine
CAS:3-O-Desmethyl amlodipine is a metabolite of the drug amlodipine. It has been shown to be formed in vivo and may contribute to the pharmacological activity of amlodipine, although its contribution is not well understood. 3-O-Desmethyl amlodipine has been used as an analytical standard for chemical purity testing of pharmaceuticals, and as an impurity standard for HPLC analysis.Formula:C19H23ClN2O5Purity:Min. 95%Color and Shape:PowderMolecular weight:394.85 g/molN-Desmethyl cyamemazine maleate
CAS:Cyamemazine is an antipsychotic drug that has been used for the treatment of schizophrenia and other psychotic disorders. N-Desmethyl cyamemazine maleate, a metabolite of cyamemazine, has been shown to have neuroprotective effects in vitro.Formula:C18H19N3S·C4H4O4Purity:Min. 95%Molecular weight:425.5 g/molDesfluoro atorvastatin
CAS:Desfluoro atorvastatin is a crystalline polymorph of atorvastatin that has been shown to have improved flowrate and dissolution profile compared with the conventional form. Desfluoro atorvastatin is synthesized by adding a fluorine atom to a specific position in the molecule. The synthesis procedure includes chromatographic purification and analysis of impurities, which are then eliminated by diode laser irradiation. Impurities may also be eliminated through hydrogenation or recrystallization.Formula:C33H36N2O5Purity:Min. 95%Color and Shape:PowderMolecular weight:540.65 g/mol(3R,5S)-Atorvastatin sodium salt
CAS:(3R,5S)-Atorvastatin sodium salt is a synthetic compound that is used in the treatment of high cholesterol. It belongs to the class of statins, which are used for lowering blood cholesterol levels. The drug product contains at least 99% by weight of (3R,5S)-atorvastatin sodium salt. This product also has an analytical purity greater than 98%. It is metabolized via oxidation and hydroxylation to form metabolites that exhibit pharmacological activity similar to the parent molecule. (3R,5S)-Atorvastatin sodium salt is a natural product that can be found in plants such as yew trees. This drug has been shown to have niche applications in drug development and research and development.Formula:C33H34FN2NaO5Purity:Min. 95%Color and Shape:PowderMolecular weight:580.62 g/mol1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3.5-pyridinecarboxylic acid dimethyl ester
CAS:1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3.5-pyridinecarboxylic acid dimethyl ester is a creatine kinase inhibitor that blocks the synthesis of creatine phosphate, which is an important energy source for muscle contraction. Creatine kinase inhibitors are used in the treatment of congestive heart failure and myocardial infarct. They also have vasodilatory effects on blood vessels and can be used to treat hypertension. The elimination rate of 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3.5-pyridinecarboxylic acid dimethyl ester depends on its formulation: solid dispersions have a half life of about 3 hours whereas orally administered doses have a half life of about 8 hours.Formula:C17H18N2O6Purity:Min. 95%Color and Shape:Yellow PowderMolecular weight:346.33 g/mol[(2-Butoxyethoxy)ethyl] 2-[(trifluoromethyl)phenylamino]benzoate
CAS:[(2-Butoxyethoxy)ethyl] 2-[(trifluoromethyl)phenylamino]benzoate is a synthetic chemical that is an impurity in the synthesis of the drug product, [(2-butoxyethoxy)ethyl] 2-[(trifluoromethyl)phenylamino]-benzoate. It is a white to off-white solid with a melting point of 53°C. The purity of this compound is high and it has been used as an analytical standard for HPLC. This compound also has niche application in pharmacopoeia and drug development.Formula:C22H26F3NO4Purity:Min. 95%Color and Shape:Pale yellow to yellow liquidMolecular weight:425.44 g/molCimetidine impurity F
CAS:Cimetidine impurity F is a research and development, drug product, analytical, synthetic, natural, niche, HPLC standard and pharmacopoeia impurity.
CAS No. 55272-86-1Formula:C16H24N8S2Purity:Min. 95%Color and Shape:White PowderMolecular weight:392.55 g/molAtorvastatin epoxy tetrahydrofuran impurity
CAS:Atorvastatin epoxy tetrahydrofuran impurity is a byproduct of the synthesis process. It is a white crystalline powder that is soluble in organic solvents and sparingly soluble in water. Atorvastatin epoxy tetrahydrofuran impurity has been shown to be an impurity of atorvastatin. It is not known to have any biological activity, but it may pose a health risk if present in large quantities.Formula:C26H24FNO5Purity:Min. 95%Color and Shape:PowderMolecular weight:449.47 g/molDifluoro atorvastatin
CAS:Difluoro atorvastatin is a filtrate of atorvastatin, which is a cholesterol-lowering drug. It is synthesized by reacting butyric acid with atorvastatin in an organic solvent. The reaction solution was filtered to remove impurities and then purified by liquid chromatography. The product was characterized by diffraction and LC-MS analysis. Difluoro atorvastatin has a high purity and is suitable for further use in the preparation of pharmaceuticals.
Formula:C33H34F2N2O5Purity:Min. 95%Molecular weight:576.63 g/molDihydroergotamine mesylate impurity C
Dihydroergotamine mesylate impurity C is an analytical standard used for the determination of purity in Dihydroergotamine Mesylate drug products. The impurity is a metabolite that has been shown to be pharmacologically active and thus should not exceed the limit of detection.Formula:C33H37N5O6Purity:Min. 95%Molecular weight:599.68 g/molTrimethoxy dobutamine hydrochloride
CAS:Trimethoxy dobutamine hydrochloride is a custom synthesis with CAS No. 51062-14-7, drug product and Metabolite. It is developed for niche, Drug development and Natural. Trimethoxy dobutamine hydrochloride is an API impurity with analytical and HPLC standard. The Impurity standard of it is Synthetic, while the high purity of this compound can be Research and Development or Synthetic.Formula:C21H30ClNO3Purity:Min. 95%Color and Shape:PowderMolecular weight:379.92 g/mol(S)-5-((tert-Butylamino)methyl)-3-(3-fluoro-(4-morpholinyl)phenyl)oxazolidin-2-one
CAS:(S)-5-((tert-Butylamino)methyl)-3-(3-fluoro-(4-morpholinyl)phenyl)oxazolidin-2-one is a drug product with CAS No. 1215006-08-8, which is a metabolite of Fluoxetine. It is an impurity standard for Fluoxetine and has been used as a reference compound in metabolism studies. (S)-5-((tert-Butylamino)methyl)-3-(3-fluoro-(4-morpholinyl)phenyl)oxazolidin-2-one is also an analytical reagent that can be used to calibrate HPLC systems.Formula:C18H26FN3O3Purity:Min. 95%Color and Shape:White To Off-White SolidMolecular weight:351.42 g/molMemantine impurity IV
CAS:Memantine impurity IV is a hydrolysis product of memantine. It appears as a white to off-white powder and has a molecular weight of 198.1 g/mol. Memantine impurity IV is an intermediate in the production of memantine and is therefore not used for any other purpose. The compound contains hydroxy groups, hydroxy, alcohols, and bridgehead groups which are efficient at hydrolyzing to form amino acids.
Formula:C12H21NO·HClPurity:Min. 95%Color and Shape:White PowderMolecular weight:231.76 g/molLisdexamfetamine dimesylate impurity C
Lisdexamfetamine dimesylate impurity C is a drug product that is an analytical standard. It is a synthetic impurity found in the drug Lisdexamfetamine Dimesylate, which is used for the treatment of ADHD and narcolepsy. Lisdexamfetamine Dimesylate Impurity C has been shown to be metabolized through oxidation by cytochrome P450 enzymes and conjugation with glucuronic acid. The impurity has been shown to have no effect on the pharmacological activity of the parent compound.
Purity:Min. 95%(5α)-17-(3-Pyridinyl)androst-16-en-3-one
CAS:Controlled Product(5α)-17-(3-Pyridinyl)androst-16-en-3-one is a natural metabolite of testosterone that is produced in the liver. It has been identified as an impurity in API, which can be found in drugs used for the treatment of high blood pressure and prostate cancer. (5α)-17-(3-Pyridinyl)androst-16-en-3-one is not active as a drug itself, but it can be used as a standard to study the metabolism of testosterone and other steroids.Formula:C24H31NOPurity:Min. 98 Area-%Color and Shape:White PowderMolecular weight:349.51 g/mol2-(3-Hydroxy-2,2-Dimethylpropoxy)-1-(6-Hydroxy-2-Naphthyl)Propan-1-One
The following is a description of an impurity standard for the metabolite 2-(3-Hydroxy-2,2-Dimethylpropoxy)-1-(6-Hydroxy-2-Naphthyl)Propan-1-One:
Purity:Min. 95%
