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(66,218 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"
N-(((5S)-3-(4-(4-Morpholinyl)phenyl)-2-oxo-5-oxazolidinyl)methyl) acetamide
CAS:N-(((5S)-3-(4-(4-Morpholinyl)phenyl)-2-oxo-5-oxazolidinyl)methyl) acetamide is an impurity of the antibiotic linezolid. It is a contaminant that can be found in urine and blood samples. N-(((5S)-3-(4-(4-Morpholinyl)phenyl)-2-oxo-5-oxazolidinyl)methyl) acetamide has been shown to be amyloidogenic, meaning it can form plaques in the brain and lead to Alzheimer's disease.Formula:C16H21N3O4Purity:Min. 95%Color and Shape:White to off-white solid.Molecular weight:319.36 g/molDes-Glu(3)-Semaglutide
Des-Glu(3)-semaglutide is a semaglutide-related impurity. This des-amino acid form has got the glutamic acid or glutamate (Glu) amino acid from position 3 removed from the peptide chain. Semaglutide impurities are structurally related compounds that arise during synthesis, purification, or storage of semaglutide, a long-acting GLP-1 receptor agonist used for managing type 2 diabetes and obesity.Formula:C182H284N44O56Molecular weight:3,984.53 g/mol(S)-(+)-4-Phenyl-2-oxazolidinone
CAS:(S)-(+)-4-Phenyl-2-oxazolidinone is a synthetic, white to off-white solid that is soluble in water and ethanol. It is used as an analytical standard for the determination of the drug product and impurities during development and manufacture. The CAS number for (S)-(+)-4-Phenyl-2-oxazolidinone is 99395-88-7.Formula:C9H9NO2Purity:Min. 95%Molecular weight:163.17 g/mol(RS)-Isopropyl 2-methoxyethyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate
CAS:(RS)-Isopropyl 2-methoxyethyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate is a drug product with an analytical purpose. This compound is metabolized by the liver and excreted in the urine. It has been shown that this compound is not present in natural sources. The CAS number for this compound is 1316606-40-2 and it's API impurity is less than 0.0001%. This drug product has been synthesized from a custom synthesis and it is an impurity standard for HPLC analyses. It has also been used as a research and development tool to develop drugs or study metabolism studies. This compound is pure enough to be used as a pharmacopoeia standardFormula:C21H26N2O7Purity:Min. 95%Molecular weight:418.44 g/mol2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid sodium salt
2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid sodium salt is a white to off-white crystalline powder. It is soluble in water and sparingly soluble in alcohol. This product is used as an analytical standard and has been found to be a metabolite of the drug clozapine. 2-(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic acid sodium salt has also been found to be an impurity in the drug product lamotrigine.Formula:C24H29NO5•NaPurity:Min. 95%Molecular weight:434.49 g/mol4-(Aminomethyl)-1-cyclohexene-1-carboxylic acid
CAS:4-(Aminomethyl)-1-cyclohexene-1-carboxylic acid is an antifibrinolytic agent that can be used to control bleeding. It is a carboxymethyl cellulose with a menthol flavour and it stabilizes the hemostatic effect of tranexamic acid. 4-(Aminomethyl)-1-cyclohexene-1-carboxylic acid has been shown to be effective in controlling bleeding in patients with disorders such as hemophilia and von Willebrand disease. The drug is stable in acidic compositions, making it useful for dental applications as well.Formula:C8H13NO2Purity:Min. 95%Color and Shape:White PowderMolecular weight:155.19 g/molN-(5-Aminopentyl) methotrexate amide
CAS:N-(5-Aminopentyl) methotrexate amide is a fluorescent probe that is used to study the transport of drugs across cell membranes. It binds to the plasma membrane of cells and can be visualized with a fluorescence microscope. N-(5-Aminopentyl) methotrexate amide has been shown to bind to leukemia cells in murine leukemia models. It has a high affinity for drug-resistant cells, which makes it useful for studying drug resistance mechanisms. This probe can be used at nanomolar concentrations for imaging studies, as well as for measuring the uptake of drugs into cancer cells by flow cytometry.
Formula:C25H34N10O4Purity:Min. 95%Color and Shape:Yellow PowderMolecular weight:538.6 g/molFluticasone propionate EP Impurity F
CAS:Fluticasone Propionate EP Impurity F is an impurity of Fluticasone Propionate. Fluticasone Propionate is a synthetic glucocorticoid used in the treatment of asthma and other allergic disorders. Impurity F is a metabolite of Fluticasone Propionate and has been detected in human plasma at low levels (5% of total fluticasone propionate). The metabolism of Fluticasone Propionate to Impurity F has been studied in rat, mouse, dog and man. br>br> The following table summarizes the metabolic pathways that have been identified for this impurity: br>br> Metabolism studies indicate that Impurity F is mainly metabolized by CYP3A4 to form conjugates with glucuronic acid or sulfates. It may also be hydrolyzed to form 5α-flurostan-3β,17β-dFormula:C25H29F3O5SPurity:Min. 95%Color and Shape:PowderMolecular weight:498.56 g/molrac-Diacetolol
CAS:Rac-Diacetolol is a racemic mixture of two isomers, (+) and (-), of acebutolol. Rac-Diacetolol is used to treat bowel disease, chronic oral inflammation and cardiac arrhythmias. It is also used as an experimental solubility probe in the study of the interactions between drugs and biological membranes. Rac-Diacetolol has been shown to have a low affinity for cytochrome P450 enzymes, which are responsible for metabolizing many drugs in the body. Rac-Diacetolol has been found to reduce plasma concentrations of PCSK9 antibody in patients with inflammatory bowel disease. The drug also has anti-inflammatory properties that may be due to its inhibition of prostaglandin synthesis.
Formula:C16H24N2O4Purity:Min. 95%Color and Shape:PowderMolecular weight:308.37 g/mol2-[[3-(Trifluoromethyl)phenyl]amino] benzoic acid 2-hydroxyethyl ester
CAS:2-[[3-(Trifluoromethyl)phenyl]amino] benzoic acid 2-hydroxyethyl ester is a metabolite of the drug desloratadine. It is used as an impurity standard in HPLC and as a metabolite to study metabolism.
Formula:C16H14F3NO3Purity:Min. 95%Color and Shape:White To Off-White SolidMolecular weight:325.28 g/molCeftazidime impurity G
CAS:Ceftazidime impurity G is a heterocycle that has been found to be a potential flavonoid. It has antiviral and protease inhibitory properties, which may be due to its ability to bind to the serine protease. It also has anti-inflammatory properties, which may be due to its inhibition of tyrosine kinase activity. Ceftazidime impurity G can be used as a pharmaceutical preparation for cardiovascular diseases, cancer, hepatitis, and other diseases.
Formula:C11H14N4O5SPurity:90%MinColor and Shape:PowderMolecular weight:314.32 g/molApixaban Impurity 3
CAS:Apixaban Impurity 3 is a reactant in medicines. It reacts with an amide to form the target compound, apixaban. Apixaban is a drug used to prevent stroke and blood clots in patients who have atrial fibrillation.
Formula:C26H27N5O4Purity:Min. 95%Color and Shape:PowderMolecular weight:473.52 g/molAtorvastatin lactone
CAS:Atorvastatin lactone is a prodrug for atorvastatin. It is an inhibitor of the enzyme HMG-CoA reductase, which is involved in cholesterol synthesis and reduces LDL cholesterol levels. Atorvastatin lactone is absorbed from the gut into the bloodstream and then converted to atorvastatin, which has a higher potency than atorvastatin lactone. This conversion occurs in the liver by cytochrome P450 enzymes, including cytochrome CYP3A4. The pharmacokinetics of atorvastatin lactone are influenced by drugs that inhibit these enzymes. Atorvastatin and its metabolites are excreted in human serum as glucuronide or sulfate conjugates.Formula:C33H33FN2O4Purity:Min. 98 Area-%Color and Shape:PowderMolecular weight:540.62 g/mol(+/-)-N-Benzyl-N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-propylamine hydrochloride
CAS:(+/-)-N-Benzyl-N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-propylamine hydrochloride is a synthetic drug product with the chemical name of (+/-)-N-Benzyl-N-methyl-3-phenyl-3-[4-(trifluoromethyl)phenoxy]-propylamine hydrochloride. It is an analytical standard, and its CAS No. is 660414-56-2. It has the purity of 99% and a molecular weight of 377.5. The impurities in this product are less than 1%. This product can be used as an analytical reference in HPLC, as well as a drug development and natural standard for pharmacopoeia. This product was synthesized by a process that included: (1) 3,4-(trifluoromethyl)benzaldehyde; (2) A mixture ofFormula:C24H24F3NO·HClPurity:Min. 95%Color and Shape:PowderMolecular weight:435.91 g/molDefluoro atorvastatin acetonide tert-butyl ester
CAS:Please enquire for more information about Defluoro atorvastatin acetonide tert-butyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C40H48N2O5Purity:Min. 95%Color and Shape:PowderMolecular weight:636.82 g/mol5-Hydroxy duloxetine
CAS:5-Hydroxy duloxetine (5HD) is a drug product that is synthesized by Custom Synthesis. It has high purity and analytical specifications, and can be used for metabolism studies, natural product development, pharmacopoeia, and research and development. 5HD also has a CAS number of 741693-77-6. This product is synthetically produced with impurity standards. The molecular weight of 5HD is 236.3 g/mol with an impurity level of less than 1%. 5HD can be used in the following applications: HPLC standard, HPLC calibration standard, Impurity standard for LCMS, Impurity standard for GCMS.
Formula:C18H19NO2SPurity:Min. 95%Color and Shape:PowderMolecular weight:313.40 g/mol1-Phenyl-1-(2-pyridinyl)ethanol hydrochloride
CAS:1-Phenyl-1-(2-pyridinyl)ethanol hydrochloride is a natural product that is used as a pharmacopoeia standard for analytical and HPLC applications. It is also used in drug development, metabolism studies, and impurity standards. This compound has been shown to be an impurity in the API of a drug product.Formula:C13H13NO·HClPurity:Min. 95%Color and Shape:White PowderMolecular weight:235.71 g/mol

