Impuretés API

Applications 6β-Hydroxy-gestodene is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile …

Stability Hygroscopic Applications A labelled metabolite of Valproic Acid. References Burchell, B., et al.: Dev. …

Applications Deschloro-2-phenylsulfonyl-thiamethoxam is an impurity of thiamethoxam (T344180), which is a neonicotinoid insecticide. Reports show …

Impurity Fluconazole EP Impurity A Applications Iso Fluconazole (Fluconazole EP Impurity A) is an impurity …

Applications (+)-9-deMe-DTBZ is a desmethyl derivative of Tetrabenzine (T284000), a dopamine depleting agent. An antidyskinetic; …

Applications (2Z)-2,3-Dehydroxy Atorvastatin is an intermediate in synthesizing (2E)-2,3-Dehydroxy Atorvastatin (D230045), which is an impurity …

Applications Vitamin D3 (V676045) analog. References Roy, A., et al.: Steroids, 60, 530 (1995);

Impurity Nelfinavir Sulphone Impurity Applications Nelfinavir Sulfone is an impurity of Nelfinavir Mesylate (N389750). It …

Applications 4-Chloro Perphenazine is an impurity of Perphenazine (P291100), an D2 dopamine receptor antagonist; α-adrenergic …

Stability Light Sensitive, Temperature Sensitive Applications 3'-Dehydrolutein, is a derivative of Lutein, which is a …

Applications Reversible dual inhibitor of ErbB1 and ErbB2 tyrosine kinases. Antineoplastic. References Kim, T.E., et …

Applications An intermediate in the production of labelled Enrofloxacin. References Chao, Q., et al.: J. …

Applications 10-Hydroxy Hydrocodone is an intermediate in the synthesis of Hydromorphone (H714650) related analogs.

Applications 4-Nitrobenzoyl Chloride is used inorganic syntheses such as Michael additions. Also used in the …

Applications Misonidazole can be used as a potential hypoxic cancer cell radiosensitizer and DNA binding …

Applications 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic Acid-13C4 Ethyl Ester is an isotope labelled derivative in the synthesis of Flucloxacillin …

Applications 4-Ethylmorpholine is an air and water pollutant, used for calculating odor-threshold limit value relation. …

Applications Intermediate in the preparation of (S)-Montelukast. References Schoors, D., et al.: Br. J. Clin. …

Applications A labelled metabolite of Tryptophan (T947200). References da Prada, M., et al.: Biochem. Pharmacol., …

Stability Hygroscopic Applications Isotope labelled Aldophosphamide Semicarbazone is a major metabolite of cyclophosphamide (C988580), a …

Applications A cyclic ether impurity of antiasthmatic Montelukast (M568000). References Egekeze, J.O. et al.: Anal. …

Applications (R)-Laudanosine is an isomer of (S)-Laudanosine (L178525), a metabolite of the neuromuscular-blocking drugs Atracurium …

Applications Nimbin (N476280) derivative. References Cohen, E., et al.: Life Sci., 58, 1075 (1996), Roy, …

Impurity Quetiapine EP Impurity R Applications Fumaric Acid Monoethyl Ester (Quetiapine EP Impurity R) is …

Applications (S)-5,6-Dehydro Pregabalin is derived from rac 5,6-Dehydro Pregabalin (D230055), which is an impurity of …

Applications Protected Varenicline metabolite.

Applications 6,10-Dihydroxy Buspirone is an Impurity formed during the preparation of Buspirone metabolites. Also, it …

Stability Hygroscopic Applications Bendamustine (B132500) impurity.

Applications 2-Hydroxy Estradiol 6-N3-Adenine is a depurinating adduct that is created by the interaction of …

Applications 4,6-Dihydroxy-5-(o-methoxyphenoxy)-2,2’-bipyrimidine (cas# 329923-15-1) is a compound useful in organic synthesis.

Applications 3,4-Dihydroxy-hippuric Acid is a metabolite of 3,4-methylenedioxymethylamphetamine (M303985). References Enssilin, H. et al.: Drug …

Applications 6-Hydroxy Etodolac is an Etodolac (E933100) metabolite. References Humber, L., et al.: J. Med. …

Applications Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity-d9 is the isotope labelled analog of Lopinavir N2,N5-(2,6-Xylyloxy)acetyl Impurity. Lopinavir N2,N5-(2,6-Xylyloxy)acetyl …

Applications A related dimeric impurity of Sildenafil (S435000).

Applications Narcissoside is a flavonoid from Nitraria tangutorum. Narcissoside may have antiproliferative activity in human …

Applications A labelled metabolite of Allopurinol. References Marro, P., et al.: Brain Res., 650, 9 …

Applications Des-N-(methoxycarbonyl)-L-tert-leucine Bis-Boc Atazanavir is an intermediate for the synthesis of Atazanavir (A790051) and the …

Applications Labelled analogue trans-1,2-Dihydroxy-1,2-dihydronaphthalene, a metabolite of Naphthalene. References Sun, Y. et al.: Arch. Toxicol., …

Applications Adapalene Dimer Impurity is an impurity in the synthesis of Adapalene (A225000), a retinoid …

Applications 2-Hydroxy-estrone-6-N3-adenine is a depurinating adduct that is created by the interaction of specific metabolites …

Applications 4-Hydroxy Estrone 1-N3-Adenine is an estrogen metabolite formed with DNA which can lead to …

Impurity Levonorgestrel EP Impurity H Applications 6β-Hydroxylevonorgestrel (Levonorgestrel EP Impurity H) is an impurity from …

Applications 3-Hydroxy Guanfacine is the main metabolite of Guanfacine (G816000) in human plasma and urine. …

Stability Light Sensitive Applications Rifabutin Impurity C is an impurity of Rifabutin (R505000), a semisynthetic …

Applications 1,3-Bis((4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)methyl)benzene is an impurity of Meclizine (M202700), an antiemetic. References Cohen, B., et al.: …

Impurity Lopinavir EP Impurity K Applications Lopinavir D-Valine Diastereomer (Lopinavir EP Impurity K) is a …

Applications 8-Hydroxy Efavirenz is a metabolite of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. …

Applications Nintedanib Demethyl-O-glucuronic Acid-d3 is an isotopic analog of Nintedanib Demethyl-O-glucuronic Acid (N478295), a metabolite …

Applications Lovastatin-d9, is the labeled analogue of Lovastatin (L472225), an antihypercholesterolemic agent. A fungal metabolite, …

Applications Laudanosine is a metabolite of the neuromuscular-blocking drugs Atracurium (A794500) and Cisatracurium (C496700) with …

Stability Light Sensitive Applications Synthetic vitamin D prohormone. A new active Vitamin D analog which …

Applications A major metabolite of Lopinavir (L469480) . It is a COVID19-related research product. References …

Applications A reactive metabolite of Lapatinib (L175800) which is associated with various drug toxicities. Lapatinib …

Applications A metabolite of Midazolam (M343000). References Soucek, P., et al.: Xenobiotica, 22, 83 (1992), …

Applications 3-Nitrosalicylic Acid-d3 is the labeled analogue of 3-Nitrosalicylic Acid (N520900), a nitrohumic acid which …

Applications Labelled Valsartan (V095750) impurity. References Thai, H., et al.: J. Cardiovasc. Pharmacol., 50, 703 …

Applications A labelled metabolite of Estradiol. References Bucala, R., et al.: J. Clin. Endocrinol. Metab., …

Applications Labelled Adapalene intermediate, an ester of labelled Adapalene. References Charpentier, B., et al.: J. …

Stability Light Sensitive, Temperature Sensitive Applications 25-Hydroxyvitamin D3 3-Sulfate is a metabolite of 24,25-Dihydroxyvitamin D3 …

Applications N-Desmethyl Clobazam-13C6 is an isotope labelled metabolite of Clobazam (C582500), a benzodiazepine psychotherapeutic agent …

Applications It is noteworthy that 1-(3-Chlorphenyl)piperazine (m-CPP), resulting from N-dealkylation of Trazodone, is a major …

Applications Labelled Promethazine (P757000) impurity. Not a dangerous good if item is equal to or …

Applications Sildenafil Citrate (S435000) impurity. References Baraldi, P.G., et al.: J. Med. Chem., 27, 986 …

Applications Adefovir Dipivoxil Dimer is a formed from the dimerization of Adefovir Dipivoxil (A280465) which …