Impuretés API

Applications (1R,​3R)​-1-​(1,​3-​Benzodioxol-​5-​yl)​-​2,​3,​4,​9-​tetrahydro-1H-pyrido[3,​4-​b]​indole-​3-​carboxylic Acid Hydrochloride is an impurity of Tadalafil (T004500) and is a β-​carboline derivative. …

Impurity Ethinylestradiol EP Impurity A Applications 17-epi-Ethynyl Estradiol (Ethinylestradiol EP Impurity A) is the epimer …

Impurity Donepezil Pyridine Dehydro N-Oxide Applications 2,3-Dihydro-5,6-dimethoxy-2-[(1-oxido-4-pyridinyl)methylene]-1H-inden-1-one is an impurity of donepezil (D531750) which is …

Applications (3R,5S)-5-(6-Cyclopropyl-10-fluoro-7,8-dihydrobenzo[k]phenanthridin-8-yl)-3,5-dihydroxypentanoic Acid Sodium Salt is an impurity of Pitavastatin (P531000), a competitive inhibitor of …

Applications Analogue of Spiperone. References Chivers, J., et al.: Br. J. Pharmacol., 90, 467 (1987), …

Applications Epoxy Metradiene is an impurity from synthesis of Fluorometholone (F593145),a glucocorticoid; anti-inflammatory. References Kupferman, …

Applications Nicotine analog. References Yamamoto, I., et al.: Agr. Biol. Chem., 27, 446 (1963)

Applications (2R,3S)-3-Hydroxynorleucine is an analogue of DL-6-Hydroxy Norleucine (H948855) which is an intermediate for antiviral …

Applications Dihydrolysergamide is metabolite of Dihydroergotamine (D449080), α-Androgenic blocker with selective venoconstrictor properties. Dihydrolysergamide was …

Applications Efavirenz 1-Desamine-1-oxy is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor. …

Applications Efavirenz penteneyne is an analog of Efavirenz (E425000), a nonnucleoside HIV-1 reverse transcriptase inhibitor …

Impurity Beclomethasone Dipropionate EP Impurity F Applications 6α-Bromo Beclomethasone Dipropionate (Beclomethasone Dipropionate EP Impurity F) …

Impurity Pregabalin EP impurity A Applications (S)-Pregabalin Lactam is an impurity of (S)-Pregabalin (P704790) which …

Applications Intermediate of Zonisamide-N-(6-hexanoic acid).

Applications Pseudobenztropine is an analog of Benzotropine (B207575, Mesylate salt) which is used as an …

Applications Oxacillin Penillic Acid Disodium Salt, is a derivative (impurity) of Oxacillin which is used …

Stability Not stable in DMSO Applications 1-[2-(Acetyloxy)-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]-5-bromo-1-(2-fluorophenyl)-2-pentanone (2Z)-2-Butenedioate is a byproduct in the synthesis of …

Applications Fulvestrant (F862500) impurity C.

Applications 1-Bis(4-fluorophenyl)methyl Piperzaine-d8 is a labelled analogue of 1-Bis(4-fluorophenyl)methyl Piperzaine (B434875), which is a chemical …

Applications Fenofibric Acid intermediate.

Applications (5α)-17,17-Dimethyl-18-nor-2-oxaandrost-13-en-3-one is metabolite and impurity of the anabolic steroid Oxandrolone (O845050). References Fragkaki, A.G. …

Impurity Alfuzosin EP Impurity C Applications N2-Methyl Alfuzosin (Alfuzosin EP Impurity C) is an impurity …

Applications N’-[2-[2,4-Dimethylphenyl)thio]phenyl] Vortioxetine is an impurity of Vortioxetine (V766000, HBr salt) which is a multimodal …

Applications 11α,17α,21-Trihydroxy-16α-methyl-1,4-pregnadiene-3,20-dione is a 3-Keto-Δ1(2)-Δ4(5) steroid that can be synthesized from Dexamethasone 9,11-Epoxide (D298795).

Applications Telotristat Ethyl can be used in biological study of serotonin biosynthesis as a predictive …

Impurity Telmisartan dimer impurity Applications An impurity of Telmisartan (T017000).

Applications A major metabolite of Sulfadiazine. References Woolley, J., et al.: Drug Metab. Dispos., 7, …

Applications A labelled metabolite of Equilin (E592800). References Enmark, E., et al.: J. Clin. Endocrinol. …

Applications 3-(p-Methoxybenzoyl)indole is an intermediate in the synthesis of JWH derivatives. References Guchhait, S.K., et …

Applications Febuxostat 67M-2 is a derivative compound of Febuxostat 67M-1 (F229005) which is an inhibitor …

Applications Lasofoxifene intermediate. References Rosati, R., et al.: J. Med. Chem., 41, 2928 (1998),

Stability Hygroscopic Applications O-Desethyl Resiquimod-d6 is the labelled analogue of O-Desethyl Resiquimod (D228575), which is …

Applications Diclazuril 6-Carboxylic Acid is an impurity of Diclazuril (D436200), a nucleotide analog with broad-spectrum …

Applications A labelled intermediate in the preparation of biphosphonate drugs used in the prevention and …

Applications N-Formyl 10-Oxo Docetaxel is an impurity of Docetaxel (D494420), a semisynthetic derivative of Paclitaxel(P132500), …

Applications A labelled biliary glutamylcysteinylglycine (GSH) conjugate metabolite of 1,2-dibromo-3-chloropropane (DBCP). References Pearson, P.G. et …

Applications An intermediate used in the synthesis of Pregabalin (P704800) and related compounds. Not a …

Applications Propionyl-d5 Glycine is labelled Propionyl Glycine (P788500), a metabolite of methylmalonic acid and propionic …

Applications Docetaxel Hydroxy tert-Butylcarbamate-d6 is the labeled analogue of Docetaxel Hydroxy tert-Butylcarbamate (D494425), the main …

Applications Labelled Metopimazine (MPZ) is used to prevent emesis during chemotherapies. Antiemetic. References Catz, P., …

Applications A metabolite of Desoxymetasone (D296970). References Schriks, M., et al.: Environ. Sci. Technol., 44, …

Applications A metabolite of Papaverine (P190500). Not a dangerous good if item is equal to …

Applications Antifibrinolytic agent. Used in the preparation of Tranexamic Acid (T714505).

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

Applications Cyclobutanecarboxylic Acid, can be used as an organic building block in the chemical synthesis. …

Stability Hygroscopic Applications Active metabolite of Beclomethasone Dipropionate (BDP). References Soria, I., et al.: Biopharm. …

Stability Hygroscopic Applications Pemetrexed L-Glutamic acid is an impurity of Pemetrexed (P219500). Pemetrexed impurity D.

Stability Hygroscopic Applications N-​(4-​Amino-​5-​oxoheptyl)​guanidine is a biosynthetic intermediate in the study of saxitoxin gene cluster …

Impurity Selamectin Impurity B Stability Hygroscopic Applications 22,23-Didehydro Selamectin is an impurity of Selamectin (S247990) …

Impurity Bortezomib USP Impurity G Stability Hygroscopic Applications (1S,2S)-Bortezomib is an isomer of Bortezomib (B675700), …

Applications Solifenacin (S676700) metabolite.

Applications Labelled Dihydroisoferulic Acid 3-O-β-D-Glucuronide, the glucuronide conjugate of Dihydroisoferulic Acid (H946365). Dihydroisoferulic Acid 3-O-β-D-Glucuronide …

Applications The 5-aminopentyl amide derivative of the folic acid antagonist Methotrexate (M260675) used in the …

Impurity D721000 Applications Duloxetine impurity; also a related compound of Duloxetine metabolite.

Applications A labelled metabolite of Orphenadrine (O695300). An antidepressant prodrug. References Watkins, P., et al.: …

Applications Formoterol is a selective β2-adrenergic receptor agonist. Formoterol is used as an antiasthmatic. References …

Applications An Efavirenz (E425000) impurity.

Impurity Mupirocin EP Impurity D Stability Hygroscopic Applications Mupirocin (M794000) impurity. (Mupirocin EP Impurity D) …

Applications A labelled metabolite of the drug Bupropion (B689625). References Hsyu, P-H., et al.: J. …

Applications 5-Ethynylnicotine is an intermediate of nicotinic acetylcholine receptor agonist SIB-1508Y. 5-Ethynylnicotine is used for …

Applications (S)-4-Hydroxy Propranolol is the main metabolite of (S)-Propranolol (P831795). References Shwed, J., et al.: …

Applications (S)-2-Chloro-1-(3,4-difluorophenyl)ethanol is a building block used in organic synthesis including bein an intermediate in …

Applications Polyoxyethylene (23) Lauric Acid is an intermediate in the synthesis of Bril L-23 Proline …

Applications 6-[4-(3-Trifluoromethylpyridin-2-yloxy)-2-methylphenyl]-1,5-dimethyl-2,4(1H,3H)-pyrimidinedione is a useful synthetic intermediate.

Applications A labelled glucuronide metabolite of Diphenhydramine (D486900) in humans. References Breyer-Pfaff, U., et al.: …

Applications (2R,4S)-Ethyl 5-([1,1'-biphenyl]-4-yl)-4-(4-ethoxy-4-oxobutanamido)-2-methylpentanoate is an impurity compound of Valsartan (V095750). Valsartan is a nonpeptide angiotensin …