APIs for research and impurities
Subcategories of "APIs for research and impurities"
- Aminoacids and derivatives(12,316 products)
- Anthraquinones and derivatives(402 products)
- Benzimidazole and Imidazole Derivatives(10,375 products)
- Benzodiazepine Derivatives(323 products)
- Carbohydrates and glycoconjugates(5,038 products)
- Esters and Derivatives(42,239 products)
- Fatty Acids and Lypidic Derivatives(32,360 products)
- Flavonoids and Polyphenols(17,066 products)
- Free Radicals and Oxidant/Reducing Agents(208 products)
- Ketones and derivatives(2,393 products)
- Natural and semi-synthetic antibiotics(6,307 products)
- Nitriles and Cyano Derivatives(3,068 products)
- Nitrosamines and Derivatives(55 products)
- Nucleosides and Nucleotides(3,409 products)
- Organic Phosphates and Phosphonates(1,192 products)
- Organic Sulphonates and Sulphates(10,415 products)
- Organometallics(4,417 products)
- Others(6,257 products)
- Peptides and Proteins(3,129 products)
- Polymers and Derivatives(99 products)
- Purines and Pyrimidine Derivatives(8,889 products)
- Quinazoline and Quinoline Derivatives(65,574 products)
- Quinones and Derivatives(24,334 products)
- Salts and Derivatives of Active Pharmaceutical Ingredients (API)(81,516 products)
- Steroids and Derivatives(4,905 products)
- Sulfonamides and Derivatives(2,539 products)
- Terpenoids and Derivatives(3,827 products)
- Thiazolidinediones and Thiopyrans(2,752 products)
- β-Adrenergic Compounds(227 products)
Found 58881 products of "APIs for research and impurities"
o-Methyl malathion β-monoacid
CAS:Please enquire for more information about o-Methyl malathion β-monoacid including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C7H13O6PS2Purity:Min. 95%Molecular weight:288.3 g/molR-96544 Hydrochloride
CAS:R-96544 Hydrochloride is an analytical standard used in HPLC analysis. It is also a metabolite of R-96544, which is an investigational drug for the treatment of schizophrenia. The impurity standard is a mixture of the racemic form and the pure enantiomeric form. This product is available in both natural and synthetic forms.
Formula:C22H30ClNO3Purity:Min. 95%Molecular weight:391.9 g/mol1,1-Bis-(methylthio)-2-nitroethene
CAS:1,1-Bis-(methylthio)-2-nitroethene is a versatile molecule that can be used as an imine. It is synthesized by reacting trifluoromethanesulfonic acid with the amine in the presence of a base. The imine product has been shown to bind to amines and is therefore a potential drug candidate for prostate cancer cells. 1,1-Bis-(methylthio)-2-nitroethene reacts with triflic acid to produce an intramolecular hydrogen bond, leading to its efficient synthesis. The resulting compound then undergoes reactions that are characterized by nmr spectra and profiles. This functional group is inhibitory against prostate cancer cell lines at high concentrations, although it has no effect on other cell lines.Formula:C4H7NO2S2Purity:Min. 95%Molecular weight:165.24 g/mol2-(2,3-Dichlorophenyl)-2-(guanidinoimino) acetonitrile
CAS:Lamotrigine is a chemically unrelated compound, which is the active ingredient of a new class of adjuvant drugs for epilepsy. This drug has been found to be effective against seizures in patients with partial seizures and generalized seizures. Lamotrigine is an orally administered suspensoid that can be mixed with water or other liquids to form a suspension. It has been used as a flavouring agent and an adjuvant in pharmaceuticals, including tablets and capsules. The chemical structure of lamotrigine includes two 2,3-dichlorophenyl groups connected by an amino group (guanidinoimino). This structure gives lamotrigine its chemical name: 2-(2,3-dichlorophenyl)-2-(guanidinoimino) acetonitrile.Formula:C9H7Cl2N5Purity:Min. 95%Molecular weight:256.09 g/molRivaroxaban impurity 79
CAS:Please enquire for more information about Rivaroxaban impurity 79 including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C38H38N4O12Purity:Min. 95%Molecular weight:742.74 g/molKetoconazole Impurity A
CAS:Ketoconazole Impurity A is a synthetic impurity of Ketoconazole, which is used as an anti-fungal agent. Ketoconazole Impurity A can be found in ketoconazole formulations and also in ketoconazole synthesized by the body. Ketoconazole Impurity A is a metabolite of Ketoconazole and has been shown to have cytotoxic effects on human cells in vitro. Ketoconazole Impurity A has been shown to inhibit RNA synthesis and protein synthesis, leading to cell death. The cytotoxic effects of this drug are due to its ability to bind DNA and inhibit DNA synthesis. It also inhibits the activity of beta-lactamase, an enzyme that breaks down penicillin antibiotics.Formula:C26H26Cl2N4O4Purity:Min. 95%Molecular weight:529.41 g/mol3-(Benzyloxy)-5-nitrobenzoic acid
CAS:3-(Benzyloxy)-5-nitrobenzoic acid is a benzimidazole derivative that is synthesized in three steps. It can be formed by reacting potassium chloride, formic acid and 3-hydroxy-5-nitrobenzoic acid. The reaction yields are dependent on the concentration of the reactants. The isomeric mixture can be separated by distillation into two fractions; one fraction contains the desired product and the other fraction contains the undesired product. This compound has been shown to have antibacterial activity against both Gram-positive and Gram-negative bacteria, as well as antifungal activity against Candida albicans. 3-(Benzyloxy)-5-nitrobenzoic acid binds to ribosomes of bacteria, inhibiting protein synthesis by preventing peptide bond formation between amino acids. This compound also reacts with sulfate ion to produce sulfate ester, which inhibits bacterial growth by disrupting membrane integrity.
Formula:C14H11NO5Purity:Min. 95%Molecular weight:273.24 g/mol3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is an analog of the antibacterial drug cefuroxime. It has been shown to be a potent inhibitor of bacterial DNA gyrase and topoisomerase IV. This compound has been shown to have a greater degree of activity against Gram Positive bacteria than Gram Negative bacteria in vitro. 3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-- 2 -methyl-- 4H-- pyrido[1,2-- a]pyrimidin-- 4 -one is not active against acidFormula:C23H28N4O2Purity:Min. 95%Molecular weight:392.49 g/molBenserazide EP Impurity B hydrochloride
Please enquire for more information about Benserazide EP Impurity B hydrochloride including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C17H21N3O8•HClPurity:Min. 95%Molecular weight:431.83 g/molCladribine Impurity D
CAS:Cladribine Impurity D is a polymerase chain reaction (PCR) diagnostic agent that is used to identify the presence of Cladribine in the blood. Cladribine Impurity D binds to an RNA polymerase enzyme, which prevents it from synthesizing DNA and RNA, resulting in a lack of cell proliferation. This drug has been shown to be effective in treating bowel disease and solid tumours. It also has a number of side effects including interactions with other medications, such as natural compounds and autoimmune diseases, as well as bronchiolitis obliterans and lymphoma. Cladribine Impurity D also interacts with the IL-2 receptor on cells, which may cause allergic reactions. The MDA-MB-231 breast cancer cells are resistant to this drug due to their expression of the protein MCL-1.Formula:C10H12ClN5O3Purity:Min. 95%Molecular weight:285.69 g/mol2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine
CAS:Controlled Product2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine is a synthetic research and development impurity standard. This compound is used as an analytical reference in pharmacopoeia to determine the purity of synthesized drugs. 2-Cyclohexyl-2-(4-methoxyphenyl)-N,N-dimethylethanamine is also a metabolite of other compounds and can be used for metabolism studies.Formula:C17H27NOPurity:Min. 95%Molecular weight:261.4 g/molNilotinib N-oxide
CAS:Nilotinib N-oxide is a bosutinib metabolite that is categorized as a profile 1B inhibitor. It has a chemical structure similar to imatinib and dasatinib. The metabolite of nilotinib N-oxide, which is an active form, focuses on the inhibition of chronic myeloid leukemia (CML) cells by targeting the oncoprotein BCR-ABL. Nilotinib N-oxide has been shown to have cardiac toxicity, which may be due to its ability to inhibit the synthesis of uridine and reduce thrombocytopenia. It also has the potential for toxicities such as pancreatitis and hepatotoxicity.Formula:C28H22F3N7O2Purity:Min. 95%Molecular weight:545.5 g/molLevothyroxine lactose adduct
Levothyroxine is a drug product that is used for the treatment of hypothyroidism. It is an analog of thyroxine, which is synthesized in the thyroid gland. Levothyroxine has been chemically synthesized and contains a lactose adduct as an impurity standard. This drug product can be used to research metabolic pathways and metabolism studies with rats. Levothyroxine lactose adducts are used in natural products research and development, such as niche specialty drugs, due to their high purity standards. The CAS number for Levothyroxine lactose adduct is 266-072-3.Formula:C27H31I4NO14Purity:85%MinMolecular weight:1,101.15 g/molN,5-Dibenzyl-5-hydroxy-indole-3-glyoxylamide
CAS:N,5-Dibenzyl-5-hydroxy-indole-3-glyoxylamide is a drug product that can be used as an analytical reference standard and an impurity standard. It is used in the development of drugs, including synthetic intermediates and metabolites. N,5-Dibenzyl-5-hydroxy-indole-3-glyoxylamide is a natural metabolite. It has been shown to have antihistamine activity and to inhibit prostaglandin synthesis.
Formula:C24H20N2O3Purity:Min. 95%Molecular weight:384.43 g/molBupropion impurity 9
CAS:Bupropion impurity 9 is a diphosphate and it has novel, high quality, DNA. CAS No. 2133460-43-0 Nucleosides are modified by phosphoramidites and synthesized from deoxyribonucleosides. Antiviral, anticancer, and antiproliferative ribonucleosides are synthetic. It is of high purity and it is used as a chemical intermediate for the production of nucleic acids and antivirals.Formula:C12H14ClNO3SPurity:Min. 95%Molecular weight:287.76 g/molDidesmethylchlorpromazine hydrochloride
CAS:Didesmethylchlorpromazine hydrochloride is an antitumor agent that is resistant to multidrug resistance. It is a potent inhibitor of DNA synthesis and has been shown to sensitize resistant cells to other drugs. Didesmethylchlorpromazine hydrochloride was found to have cytotoxic activity against various human tumor cell lines, including multidrug-resistant cells. However, it did not show any significant activity against normal cells.Formula:C15H16Cl2N2SPurity:Min. 95%Molecular weight:327.3 g/molOxybutynin EP Impurity E
CAS:Oxybutynin EP Impurity E is a research and development impurity standard that is used in the synthesis of Oxybutynin. It can be synthesized by reacting 2-chloro-4-nitroaniline with potassium tert-butoxide, followed by acetylation with acetic anhydride. The purity and structure of this compound have been verified by gas chromatography, mass spectrometry, and melting point analysis. This impurity standard has a CAS number of 1215677-72-7. Oxybutynin EP Impurity E is used as a drug product for the treatment of overactive bladder, urinary incontinence, and painful bladder syndrome/interstitial cystitis. It also helps to reduce pain due to spinal cord injury or multiple sclerosis. The pharmacopoeia name for this compound is 4-(2-Chloroethyl)-1H-imidazoleacetic acid. It has been found to beFormula:C23H33NO3Purity:Min. 95%Molecular weight:371.51 g/molMono(3-hydroxybutyl)phthalate-d4
CAS:Mono(3-hydroxybutyl)phthalate-d4 is a research and development, impurity standard, custom synthesis, drug product, synthetic and high purity chemical that is used as an analytical standard in the pharmacopoeia. Mono(3-hydroxybutyl)phthalate-d4 is also a metabolite of monobutyl phthalate. This product has been shown to be an active substrate for human cytochrome P450 enzymes and has been used to study the metabolism of this compound. Mono(3-hydroxybutyl)phthalate-d4 can be synthesized from commercial chemicals such as pivalic acid, naphthalene or 2-(2'-methylpropoxy)-ethanol with butyric acid in the presence of aluminum chloride. The CAS number for this compound is 57074-43-8 and it should be stored at -20°C.
Formula:C12H10D4O5Purity:Min. 95%Molecular weight:242.26 g/molCapecitabine 2',3'-cyclic carbonate
CAS:Capecitabine is a prodrug that is converted to 5-fluorouracil in the body. It has been used for many years in the treatment of breast cancer and colorectal cancer. Capecitabine 2',3'-cyclic carbonate is an analytical standard, research and development tool, high purity drug product, and impurity standard for HPLC analysis. This compound is also used as a pharmacopoeia reference material for quality control testing. Capecitabine 2',3'-cyclic carbonate can be custom synthesized or purified from natural or synthetic sources.Formula:C16H20FN3O7Purity:Min. 95%Molecular weight:385.34 g/molDes-6-methoxyethanol erlotinib
CAS:Please enquire for more information about Des-6-methoxyethanol erlotinib including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C19H17N3O3Purity:Min. 95%Molecular weight:335.4 g/mol
