Impuretés API

Impurity Simvastatin Impurity K Applications 4α,5-Dihydro Simvastatin is an impurity in the synthesis of Simvastatin …

Applications 25-​Cyclohexyl-​4'-​O-​de(2,​6-​dideoxy-​3-​O-​methyl-​α-​L-​arabino-​hexopyranosyl)​-​5-​O-​demethyl-​25-​de(1-​methylpropyl)​-Avermectin A1a is an intermediate in synthesizing 22,23-Didehydro Selamectin (D439445), an impurity of Selamectin …

Applications Fulvestrant 17-Ketone, is an impurity of Fulvestrant (F862500), a novel steroidal estrogen antagonist reported …

Stability Hygroscopic Applications Deacetyl Vinorelbine-d3 Sulfate Salt is a labelled metabolite of Vinorelbine (V315000). References …

Applications A metabolite of Propranolol. References Otton, S., et al.: Br. J. Clin. Pharmacol., 30, …

Applications cis-Etoposide is an anticancer agent that has half-life of 2 days at pH 7.4 …

Applications 4-Acetyl-2-fluorobiphenyl is an impurity of Flurbiprofen (F598700), an anti-inflammatory used as an analgesic. Flurbiprofen …

Applications Butanedioic Acid 1-Methyl Ester is an intermediate in the synthesis of agonist to both …

Applications A metabolite of Rosiglitazone. References Balton, G.C., et al.: Xenobiotica, 26, 6, 627 (1996), …

Applications A labelled metabolite of Sertraline. N-Desmethyl Sertraline is significantly less active analogue as compared …

Applications Rabeprazole (R070500) N-aralkyl impurity. References Fujisaki, H., et al.: Biochem. Pharmacol., 42, 321 (1991), …

Applications Abiraterone Isopropyl Ether is an impurity of Abiraterone (A108490), a steroidal cytochrome P 450 …

Applications Methyl 4-hydroxy-4-methyl-2-(3-nitrophenyl)-6-oxocyclohexanecarboxylate is an impurity of Nicardipine (N394500).

Applications 5-Benzyloxy Propranolol-d5 Hydrochloride is an intermediate in synthesizing 5-Hydroxy Propranolol-d5 (H952542), a labelled metabolite …

Applications Phenylglyoxylic Acid-13C8 is an intermediate used in the synthesis of Mandelic Acid-13C8 (M162523), which …

Impurity Ethinylestradiol EP Impurity H Applications A degradation product of Ethynyl Estradiol (EE), (E685100). Not …

Applications An impurity formed from the synthesis of Bendamustine (B132500). Not a dangerous good if …

Applications trans-2-​(2,​4-​Dichlorophenyl)​-​2-​(1H-​imidazol-​1-​ylmethyl)​-​1,​3-​dioxolane-​4-​methanol is an impurity of Ketoconazole (K186000). References Ryu, J., et al. Bull. Korean …

Applications Itraconazole Desethylene-seco-piperazine Di-N-formyl Impurity is a by-product in the synthesis of Itraconazole Desethylene-seco-piperazine Mono-N-formyl …

Stability Hygroscopic Applications The major labelled metabolite of Sulforaphane. Sulforaphane (SFN) is an isothiocyanate from …

Impurity Amorolfine EP Impurity I Applications 1-Desmethyl-2-methylpropyl Amorolfine is an analogue of Amorolfine Hydrochloride (A634170). …

Applications Clavulanic acid (C563750) impurity as a alkaline degradation product. References Haginaka, J., et al.: …

Applications Fluvastatin-d7 Sodium Salt is a labeled synthetic HMG-CoA reductase inhibitor. Antilipemic. References Yuan, J., …

Applications Labelled Chlorpropamide, a sulfonylurea derivative. Chlorpropamide is a long acting hyopglycemic agent. Chlorpropamide is …

Applications A metabolite of trans Resveratrol. References Banerjee, S., et al.: Cancer Res., 62, 4945 …

Applications Intermediate in the preparation of Dasatinib metabolite, used in the treatment of cancers and …

Applications (R,R)-Dihydro Bupropion β-D-Glucuronide is a glucuronide metabolite of the drug Bupropion (B689625, HCl salt). …

Applications A labelled metabolite of Midazolam (M343000). References Ha, H., et al.: Ther. Drug Monit., …

Impurity Mirtazapine EP Impurity C; Mirtazapine USP Related Compound C Applications 1-Oxo Mirtazapine (Mirtazapine Impurity …

Applications 3,6-Dihydro-6,6-dimethyl-2-propyl-3-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-4H-furo[3,4-d]imidazol-4-one is an impurity of Olmesartan Medoxomil (O550000), which is an angiotensin II receptor …

Applications Geranylgeraniol-d5 is the labeled version of Geranylgeraniol (G367501), which is a precursor to Geranylgeranylpyrophosphate …

Stability Hygroscopic Applications Labelled rac FTY720 (F805010). rac FTY720 is a sphingosine 1-phosphate receptor modular, …

Applications Testosterone (T155000) derivative.

Stability Hygroscopic Applications 1,2-Dihydro Dexamethasone Phosphate Disodium Salt is an impurity of Dexamethasone Phosphate (D298835). …

Applications 5-Bromo-2-(1-methyl-1H-tetrazol-5-yl)pyridine is an intermediate in the synthesis of Tedizolid (T013750), an known oral and …

Applications An impurity arising in the synthesis of Efavirenz (E425000). References Chen, C., et al.: …

Applications Mifepristone intermediate; antiprogestational antiglucocorticoid antagonist steroidal spirooxazole. References Agarwai, M., et al.: Pharmacol. Ther., …

Applications α-Estradiol 3-Benzoate is a derivative of 17α-Estradiol (E887995), a biologically active estrogen in human …

Stability Hygroscopic, Moisture Sensitive Applications Triclosan O-Sulfate is a metabolite of the bacteriostat, Triclosan (T774250). …

Stability Light Sensitive Applications 2-Chloro-2',6'-dimethyl-d6-acetanilide is the labeled analogue of 2-Chloro-2',6'-dimethylacetanilide (C365375), an intermediate of …

Applications A metabolite of Theophylline in human plasma. References Young, R., et al.: J. Med. …

Stability Hygroscopic Applications 5-(5-Chloro-1-(2-fluorophenyl)-2-oxopentyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl Acetate Maleate is an impurity of Prasugrel (P701150).

Applications The major metabolite of the Cinchona alkaloid Quinidine. References Small, D.L., et al.: J. …

Stability Hygroscopic Applications 5-Amino-3-(4-sulfonylphenyl)salicyclic Acid Sodium Salt is an impurity of mesalamine (M258100), which is …

Applications A labelled impurity of Gatifloxacin. References Naber, C., et al.: Antimicrob. Agents Chemother., 45, …

Applications Labelled N-Methylepinephrine, the N-methylated analogue of the sympathomimetic hormone Epinephrine (E588585). Recent studies suggest …

Applications The N-oxide impurity of the selective serotonin reuptake inhibitor Dapoxetine (D185700).

Applications Isotope labelled Ethyl 3-Hydroxybutyrate is a useful synthetic intermediate. It is a reagent used …

Applications A new labelled metabolite of 17α-Methyltestosterone (M326400). References Blokland, M., et al.: Anal. Chim. …

Applications Used as an intermediate in the formation of mitomycin B (M371895), an antitumor antibiotic …

Impurity Paclitaxel EP Impurity L Applications Biologically active Paclitaxel derivative that interacts with tubulin assemblies …

Applications 9-Propoxymethyl-10-hydroxy Camptothecin, is a substituted derivative of Camptothecin (C175150), which is a topoisomerase inhibitor …

Stability Hygroscopic Applications A reverse transcriptase inhibitor. It is an effective antiviral agent against HIV, …

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

Applications N-Acetyl Cefixime is the N-acetylated analogue and impurity of the third generation cephalosporin antibiotic, …

Applications An oxidative metabolite of Dasatinib (M6 metabolite); used in the treatment of cancers and …

Stability Hygroscopic Applications 5-(Methyl-d3)tetrahydrofolic Acid Calcium Salt is a labelled metabolite of Folic Acid (F680300); …