APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,335 products)
- Anthraquinones and derivatives(405 products)
- Benzimidazole and Imidazole Derivatives(10,456 products)
- Benzodiazepine Derivatives(334 products)
- Carbohydrates and glycoconjugates(5,047 products)
- Esters and Derivatives(42,252 products)
- Fatty Acids and Lypidic Derivatives(32,417 products)
- Flavonoids and Polyphenols(17,085 products)
- Free Radicals and Oxidant/Reducing Agents(213 products)
- Ketones and derivatives(2,402 products)
- Natural and semi-synthetic antibiotics(6,395 products)
- Nitriles and Cyano Derivatives(3,068 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,486 products)
- Organic Phosphates and Phosphonates(1,201 products)
- Organic Sulphonates and Sulphates(10,436 products)
- Organometallics(4,421 products)
- Others(6,310 products)
- Peptides and Proteins(3,149 products)
- Polymers and Derivatives(100 products)
- Purines and Pyrimidine Derivatives(8,949 products)
- Quinazoline and Quinoline Derivatives(66,071 products)
- Quinones and Derivatives(24,366 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(80,417 products)
- Steroids and Derivatives(4,962 products)
- Sulfonamides and Derivatives(2,603 products)
- Terpenoids and Derivatives(3,851 products)
- Thiazolidinediones and Thiopyrans(2,754 products)
- β-Adrenergic Compounds(231 products)
Found 57707 products of "APIs for research and impurities"
2-Mercaptobenzimidazole
CAS:2-Mercaptobenzimidazole is a chemical compound that can be used for the treatment of infectious diseases. It has been shown to have antioxidative properties and inhibit the growth of bacteria. 2-Mercaptobenzimidazole also has an effect on human serum, which may be due to its ability to bind with proteins in serum and form hydrogen bonds. 2-Mercaptobenzimidazole is stable at high temperatures and has been shown as an effective antimicrobial agent against gram positive and gram negative bacteria.
Formula:C7H6N2SPurity:Min. 99 Area-%Color and Shape:White/Off-White SolidMolecular weight:150.19 g/molRef: 3D-IM00310
Discontinued productOxytocin
CAS:Natriuretic hormone; induces uterine contraction and lactation
Formula:C43H66N12O12S2Purity:Min. 98 Area-%Color and Shape:White Off-White PowderMolecular weight:1,007.19 g/molRef: 3D-FO35402
Discontinued productCeftazidime impurity G
CAS:Please enquire for more information about Ceftazidime impurity G including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C11H14N4O5SPurity:Min. 95%Color and Shape:PowderMolecular weight:314.32 g/molRef: 3D-IC63722
Discontinued productOlmesartan EP Impurity C
CAS:Olmesartan medoxomil is a prodrug that is metabolized to the active form, olmesartan, in the liver. The esters of olmesartan medoxomil are metabolized by hydrolysis and by esterases. The most common side effects of olmesartan medoxomil are headache, dizziness, fatigue, nausea and diarrhea. Olmesartan medoxomil is used for the treatment of high blood pressure in adults. This drug also has anti-inflammatory properties due to its inhibition of prostaglandin synthesis.
Formula:C29H28N6O5Purity:Min. 95%Color and Shape:White Off-White PowderMolecular weight:540.57 g/molCetirizine Impurity B
CAS:Cetirizine Impurity B is a custom synthesis impurity. It is a product of the metabolism of cetirizine, an anti-allergic drug. Cetirizine Impurity B is used as an impurity standard for drug development and analytical HPLC studies. It has been assigned CAS number 113740-61-7 by the Chemical Abstracts Service. The purity of this compound is greater than 99%.
Formula:C19H21ClN2O2Purity:Min. 90 Area-%Color and Shape:PowderMolecular weight:344.8 g/molRef: 3D-IC181078
Discontinued productErythromycin impurity M
Erythromycin impurity M is a natural, API impurity (impurity standard) that is a metabolite of erythromycin. It has been synthesized as a high purity HPLC standard to meet the requirements of pharmacopoeia and drug development. Erythromycin impurity M is an analytical reference material with CAS number 528-73-2.
Formula:C37H67NO13Purity:Min. 95%Molecular weight:733.93 g/mol10,11-Dihydroxy-d10 Carbamazepine
Controlled Product10,11-Dihydroxy-d10 Carbamazepine is a drug product that is used as an analytical reference standard. It is natural and synthetic impurity in the API (active pharmaceutical ingredient) Carbamazepine. The CAS number for 10,11-Dihydroxy-d10 Carbamazepine is 513-81-5. This compound has been synthesized by custom synthesis and is an impurity standard for HPLC analysis of carbamazepine. 10,11-Dihydroxy-d10 Carbamazepine is also a research and development chemical for the drug development industry. It has been classified as a niche chemical due to its high purity and pharmacopoeia grade.
Purity:Min. 95%N-[1-(R)-(+)-(2-Naphthyl)ethyl]-3-[3-(trifluoromethyl)phenyl]-1-aminopropane hydrochloride
CAS:N-[1-(R)-(+)-(2-Naphthyl)ethyl]-3-[3-(trifluoromethyl)phenyl]-1-aminopropane hydrochloride is a metabolite that is produced by the metabolism of naphthalene. It is an impurity in the naphthalene standard, which is used as an API to assess the purity of other substances. N-[1-(R)-(+)-(2-Naphthyl)ethyl]-3-[3-(trifluoromethyl)phenyl]-1-aminopropane hydrochloride has been shown to be a substrate for CYP2D6. This metabolite is also found in pharmaceuticals and other drugs.Formula:C22H22F3N•HClPurity:Min. 95%Molecular weight:393.87 g/molRef: 3D-IN58182
Discontinued productDicyclopropylamine
CAS:Dicyclopropylamine is a molecule that has been clinically developed as a drug. It is an inhibitor of the enzyme tyrosinase, which is involved in the production of melanin, and has been shown to have anti-cancer properties. Dicyclopropylamine hydrochloride has been shown to be effective against aliphatic hydrocarbons such as hexane and cyclohexane, as well as aromatic compounds such as benzene and toluene. This drug can also bind to coordination complexes with high kinetic energy, which may be useful for tumor treatment. Dicyclopropylamine hydrochloride can be used for the clinical treatment of human epidermoid carcinoma.
Formula:C6H11NPurity:Min. 95%Molecular weight:97.16 g/molBis-[5-[(dimethylamino)methyl]furan-2-yl]methane
Bis-[5-[(dimethylamino)methyl]furan-2-yl]methane is a synthetic compound with the CAS number 16864-73-6. It is used in pharmacological studies and drug development. The purity of this material is greater than 99%.
Formula:C15H22N2O2Purity:Min. 95%Molecular weight:262.35 g/molRemdesivir impurity 13
CAS:Remdesivir impurity 13 is a metabolite of remdesivir, which is a drug product that is custom synthesized by us. This compound has been shown to be natural and can be found in the human body. Remdesivir impurity 13 has been studied extensively for its metabolic pathway and as a potential impurity standard for HPLC analysis.
Formula:C27H35N6O8PPurity:Min. 95%Molecular weight:602.58 g/molNaltrexone impurity A
CAS:Controlled ProductNaltrexone impurity A is a synthetic, high-purity drug product that is used as an analytical reference standard in the development and manufacture of pharmaceuticals. It is also used as a pharmacopoeia reference standard and to study metabolism. Naltrexone impurity A has been shown to be a major metabolite of naltrexone and can be found in the urine at concentrations of 1-2% following oral administration. This impurity is not active when given orally, but may have activity if injected intravenously or intramuscularly.
Formula:C17H17NO5Purity:Min. 95%Color and Shape:PowderMolecular weight:315.32 g/molRef: 3D-IN167105
Discontinued product2-Carboxybenzoyl amlodipine
CAS:2-Carboxybenzoyl amlodipine is a metabolite of the antihypertensive drug amlodipine. It is a white crystalline solid that is soluble in water. 2-Carboxybenzoyl amlodipine can be used as an impurity standard for HPLC analyses, and as an analytical standard for the determination of amlodipine in human plasma.
Formula:C28H29ClN2O8Purity:Min. 95%Color and Shape:White to off-white solid.Molecular weight:556.99 g/molRef: 3D-IC19763
Discontinued productEsomeprazole sodium
CAS:Esomeprazole is a proton pump inhibitor used to treat gastroesophageal reflux disease and other conditions where there is too much stomach acid. It is available as a capsule or tablet in doses of 20, 40, and 60 mg. Esomeprazole inhibits the production of gastric acid by blocking the hydrogen/potassium adenosine triphosphate (H+/K+ ATPase) enzyme system at the secretory surface of the gastric parietal cells. Omeprazole is an acidic drug that blocks the H+/K+ ATPase enzyme system. The two drugs have been compared in two-way crossover studies using healthy volunteers who were given omeprazole magnesium for one week followed by esomeprazole sodium for another week. There was no difference in their effect on acid secretion or on heartburn relief. The plasma concentrations of both drugs increased with increasing dose, but there was no significant difference between them in terms of either
Formula:C17H18N3NaO3SPurity:(%) Min. 95%Color and Shape:PowderMolecular weight:367.4 g/molRef: 3D-IM58097
Discontinued productN-[[2'-(2H-Tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine methyl ester
CAS:N-[[2'-(2H-Tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine methyl ester is a synthetic compound used as an HPLC standard. It is also used in the development of new drugs to study the metabolism of these drugs and their metabolites. N-[[2'-(2H-Tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-L-valine methyl ester can be synthesized from 2-[(2H)-tetrazol-5-yl][1,1'-biphenyl]-4-(phenylamino)propanenitrile and L -valine methyl ester. It is soluble in ethyl acetate, chloroform and methanol. N-[2'(2H)-tetrazol-[5' (phenylamino)
Formula:C20H23N5O2Purity:Min. 95%Color and Shape:PowderMolecular weight:365.43 g/molRef: 3D-IT106481
Discontinued productRifaximin Impurity 1
CAS:Rifaximin Impurity 1 is a synthetic impurity standard for Rifaximin. It is a metabolite of rifaximin and is used in research and development to test the purity of drug products. It has a molecular weight of 314.2 g/mol and molecular formula C9H16N4O4S. This product is not manufactured by or for the original equipment manufacturer (OEM).
Formula:C43H49N3O11Purity:Min. 95%Molecular weight:783.86 g/molColchicine EP Impurity B
Colchicine EP Impurity B is a synthetic, impurity standard that is used in research and development for drug product development. It is also used as an analytical reagent. Colchicine EP Impurity B has been shown to be a metabolite of colchicine, which is found in the natural environment. This impurity can be synthesized by reacting 4-hydroxybenzaldehyde with nitroethane and sodium nitrite in the presence of hydrochloric acid. Analytical methods to detect this impurity include HPLC and GC-MS.
Purity:Min. 95%4-(2-Methoxyethyl)phenol
CAS:4-(2-Methoxyethyl)phenol is a synthetic compound that is an antihypertensive agent. It is used to reduce high blood pressure, which may be due to its ability to block the action of angiotensin II, a potent vasoconstrictive hormone, by binding with its receptor. 4-(2-Methoxyethyl)phenol has been shown to be more potent than metoprolol succinate and less toxic than hydroxylated compounds such as propranolol in pharmacokinetic studies. In addition, 4-(2-Methoxyethyl)phenol has been found to have a low risk of congestive heart failure. The industrial process for this substance involves the reaction of hydrochloric acid with phenol in the presence of a catalyst such as aluminium chloride or zinc chloride.
Formula:C9H12O2Purity:Min. 95%Color and Shape:PowderMolecular weight:152.19 g/molRef: 3D-IM25300
Discontinued product
