APIs pour la recherche et les impuretés

Applications Intermediate in the preparation of Azasetron.
References Kawakita, T., et al.: Chem. Pharm. Bull., 40, 624 (1992),

Applications An intermediate in the preparation of Etravirine

Applications A di-substituted resorcinol as skin-lightening agents. Used to reduce skin mutation and DNA damage.
References Masse, M., et al.: Int. J. Cosmet. Sci., 4, 235 (1982),

Applications 1,3-Dibenzyl-5-fluorouracil (cas# 75500-02-6) is a compound useful in organic synthesis.

Applications Piperidin-4-one Ethylene Ketal is a derivative formed from the condensation of cyclohexanone.

Applications 1-(2-Pyridinyl)benzotriazole-15N3 (cas# 1189465-04-0) is a compound useful in organic synthesis.

Applications Luteolin (L475000) derivative. Used in the preparation of DAT agonists Luteolin derivatives.
References Zhang, J. et al.; Bioorg. Med. Chem. 18, 7842 (2010)

Applications Homosibutramine can be used for detecting synthetic anti-​obesity drugs, designer analogues and weight-​loss ingredients as adulterants in slimming foods from 2015 to 2017.
References Yun, J., et.al.: J. Chromatogr. A., 9, 1000396/1-1000396/6, (2018);

Applications Testosterone Palmitate-d31 is the labeled analogue of Testosterone Palmitate (T155140) which is found in male serum.
References Addo, S.B., et. al.: Steroid, 54, 257 (1989)

Applications Methyl Benzoate-2,3,4,5,6-d5 (CAS# 68661-19-8) is a useful isotopically labeled research compound.

Applications 4-Pregnen-17alpha,21-diol-3,20-dione-21,21-d2 (CAS# 1271728-08-5) is a useful isotopically labeled research compound.

Stability Hygroscopic
Applications The hydrochloride salt of AZ 5104 (A795170), which is a derivative of AZD 9291 (A808075) and a selective EGFR inhibitor (epidermal growth factor receptor), used in the treatments of nonsmall-cell lung cancer (NSCLC).
References Finlay, M.R.V., et al.: J. Med. Chem., 57, 8249 (2014);

Applications 1,3-dimethylpyrrolidin-2-one (cas# 19597-07-0) is a useful research chemical.

Applications (2S,3R)-Efinaconazole is the 2S,3R-enantiomer of Efinaconazole (E435070); a topical antifungal for onychomycosis.
References Sugiura, K., et. al.: Antimicrob. Agents CH., 58, 3837 (2014)

Applications 7-O-Acetyl Ursodeoxycholic Acid Methyl Ester is a reactant used in the preparation of bile acids and 3β-Ursodeoxycholic Acid.
References Lai, C. et al.: J. Lab. Com. Radiopharma., 21, 615 (1984); Goto, J. et al.: Chem. Pharmaceut. Bull., 28, 1258 (1980)

Applications (3R,4S)-3,4,7,8-Tetrahydro-3,4-dihydroxy-1(2H)-azocinecarboxylic Acid Phenylmethyl Ester is an intermediate in the synthesis of Loline (I707255), an alkaloid isolated from fungal endophytes, an endosymbiont that lives within a plant.
References Cakmak, M., et al.: Nature. Chem., 3, 543 (2011);

Applications Α hydroxylated metabolite of Vitamin D2 (V676040); a synthetic analog of Vitamin D.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Matsuoka, M. et al.: J. Nutrit. Sci. Vitaminol., 35, 253 (1989); Jones, G. et al.: Arch. Biochem. Biophys., 202, 450 (1980); Goff, J. et al.: J. Nutrit., 112, 1387 (1982);

Applications Steroidal fused pyrazoles useful as bile acid transporters.
References Bhat, L. et al.; Bioorgan. Med. Chem. 15, 85 (2005)

Applications A useful synthetic intermediate.

Stability Hygroscopic
Applications An impurity of Torsemide.

Stability Store at -20°C
Applications A potent and specific glycosidase inhibitor. Shows potential as an antiviral agent.
References Kessel, D., et al.: Photochem. Photobiol., 55, 397 (1992)

Stability Light Sensitive
Applications Praeruptorin B is a bioactive constituent of Peucedani Radix, a traditional Chinese medicinal herb used in the treatment of respiratory and pulmonary disorders.
References Song, Y. et al.: Rapid. Commun. Mass. Spect., 25, 719 (2011);

Applications 2R, 3S-Dihydroxy-4-oxo-butanoic Acid is synthesized from D-Ribonolactone (R416000), which is a sugar lactone as inhibitor of β-galactosidase of E. coli.
References Zhang, B., et al.: Science, 284, 974 (1999), Zimmet, P., et al.: Nature, 414, 782 (2001), Verspohl, E., et al.: Planta Med., 68, 581 (2002), Thompson, K., et al.: Science, 300, 936 (2003), Thompson, K., et al.: J. Inorg. Biochem., 98, 683 (2004),

Applications An intermediate in the syntheis of a metabolite of the anti-cancer drug Tamoxifen.

Applications 3-Deoxy-3-fluoro-D-xylose (10% w/w in H2O) (cas# 14537-01-0) is a compound useful in organic synthesis.
References Woodward, B., et al.: Anal. Biochem., 36, 303 (1970); Hatanaka, M., et al.: Deve. Cancer. Res., 7, 375 (1982);

Applications N-(2-Chloroprop-2-en-1-yl)-2,3-dihydro-1H-inden-1-amine is related to the drug Rasagiline(R126030). Rasagiline is used to increase the availability of dopamine at striatal receptors as a method to treat Parkinson’s disease.
References Youdim, M.B.H., et al.: Br. J. Pharmacol., 132, 500 (2001); Finberg, J.P., Rambam Maimonides Med. J., 1 (2010)

Stability Light Sensitive
Applications Crotamiton is an anti-parasitic agent. Crotamiton is used both as a scabicidal (for treating scabies) and as a general antipruritic.
References Buffet, M. et al.: Fund. Clin. Pharmacol., 17, 217 (2003); Lemke, T.L.: Foye’s Prin. Med. Chem., 6, 1084 (2008); Dika, E. et al.: Cutan. Ocular Toxicol., 25, 211 (2006);

Applications 2’,3’-Dithiouridine (cas# 156592-92-6) is a compound useful in organic synthesis.

Applications 1,4-Androstadien-17alpha-methyl-17beta-ol-3-one-2,4,6alpha-d3 is a useful isotopically labeled compound of Methandrostenolone (M226000)

Applications 4-Piperidine-d9-carboxylic Acid (CAS# 1219798-43-2) is a useful isotopically labeled research compound.

Applications An intermediate in the preparation of anti-HIV pharmaceuticals
References Naimi, E., et al.: J. Med. Chem., 46, 995 (2003),

Applications 1,4-Pregnadien-6alpha-methyl-11beta,17alpha,21-triol-3,20-dione-21,21-d2 is a useful isotopically labeled compound of 6α-Methyl Prednisolone (M325934)

Applications Isatin sulfonamide analog as Caspase-3 inhibitors.
References Thompson, C., et al.: Science, 267, 1456 (1995), Chu, W., et al.: J. Med. Chem., 48, 7637 (2005), Jana, S., et al.: Curr. Med. Chem., 14, 2369 (2007), Schoenberger, J., et al.: Curr. Med. Chem., 15, 187 (2008),

Applications 4-Hydroxy-6-benzyloxycoumarin (cas# 30992-65-5) is a compound useful in organic synthesis.

Applications A metabolite of all-trans Retinoic acid.
References Omiecinski, C., et al.: Cancer Res., 50, 4315 (1990), Chapman, D., et al.: Biochem. Pharmacol., 48, 1807 (1994), White, J., et al.: J. Biol. Chem., 271, 29922 (1996), Chen, H., et al.: Drug Metab. Dispos., 28, 1051 (2000),

Applications 2-Hydroxy Estradiol 6-N3-Adenine is a depurinating adduct that is created by the interaction of specific metabolites of estrogens in the body with DNA. Unfortunately, these adducts are endogeneous initiators of various human cancers, such as breast & prostate.
References Yang, L., et al.: Prostate, 69, 41 (2009); Zahid, M., et al.: Chem. Res. Toxicol., 19, 164 (2006); Zhang, Y., et al.: Metabol. Clin. Exp., 56, 887 (2007)

Applications N-Boc-L-valinyl-L-leucinyl Anilide (cas# 874899-05-5) is a compound useful in organic synthesis.

Applications Neopatulin is a mycotoxic substance which is produced by Penicillium and Aspergillus species. The molecule possesses useful antibiotic and antibacterial properties, but it is also an unwelcome contaminant in food and a general plant toxin.
References Ellis, J.R., et al.: Appl. Microbiol., 25, 562 (1973), Priest, J.W., et al.: Biochemistry, 28,  9192 (1989),

Applications 3,5-Dichlorobenzonitrile is an internal standard in the determination of dichlobenil and it’s metabolites in onions.
References Herrero, A., et al.: Chemom. Intell. Lab. Syst., 133, 92 (2014)

Applications An intermediate for the synthesis of Paraxanthine.

Impurity Cefuroxime Sodium EP Impurity A
Stability Hygroscopic
Applications Descarbamoyl Cefuroxime (Cefuroxime Sodium EP Impurity A) is a degradation product of Cefuroxime, and an intermediate for the synthesis of Cephalosporin antibiotics
References Nomura, H., et al.: J. Med. Chem., 17, 12 (1974), Takaya, T., et al.: J. Antibiotics, 34, 1300 (1981), Wang, D., et al.: J. Pharm. Sci., 83, 577 (1994), Okamoto, Y., et al.: J. Pharm. Sci., 85, 985 (1996),

Applications Maintains anti-proliferative activity against human malignant cell strains.
References Pratsinis, H. et al.: J. Med. Food, 13, 286 (2010);

Applications 1-(3-Bromophenyl)thiourea
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications 2-(Hydroxymethyl)-2-(methoxymethyl)quinuclidin-3-one is a small molecule that has shown promising preclinical activity in various cancer types. 2-(Hydroxymethyl)-2-(methoxymethyl)quinuclidin-3-one shows antitumor activity in multiple myeloma by induction of p73 and Noxa.
References Saha, M.N., et. al.: Mol. Cancer Ther., 12, 2331 (2013); Aryee, D.N.T., et. al.: Brit. J. Cancer, 109, 2696 (2013)

Applications Glutamate derivative.

Applications 2,4,6-Trimethylbenzeneamine-d11 (cas# 1126138-13-3) is a compound useful in organic synthesis.

Applications 2-Hydroxy-estrone-6-N3-adenine is a depurinating adduct that is created by the interaction of specific metabolites of estrogens in the body with DNA. Unfortunately, these adducts are endogenous initiators of various human cancers, such as breast & prostate.
References Yang, L., et al.: Prostate, 69, 41 (2009); Zahid, M., et al.: Chem. Res. Toxicol., 19, 164 (2006); Zhang, Y., et al.: Metabol. Clin. Exp., 56, 887 (2007)

Applications 3-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol

Applications Isocitronellene is part of an essential oil extract of Campanula glomerata L. subsp. hispida which may contain antimicrobial activity. Also may display anti-platelet activity when extracted from Allium atroviolaceum Boiss growing in Iran.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Sinek, K. Asian J. Chem., 24, 1931 (2012); Lorigooini, Z. et al.: Int. J. Biosci., 5, 151 (2014);

Stability Hygroscopic
Applications 4-Carboxy Nevirapine is a metabolite of Nevirapine (N391275); a potent (IC50=84nM) and selective non-nucleoside inhibitor of HIV-1 reverse transcriptase. Also antiviral.
References Hargrave, K.D., et al.: J. Med. Chem., 34, 2231 (1991); Cheeseman, S.H., et al.: Antimicrob. Agents Chemother., 37, 178 (1993); Guay, L.A., et al.: Lancet, 354, 795 (1999); Riska, P., et al.: Drug Metab. Dispos., 27, 895 (1999)

Applications Intermediate in the preparation of 24-Norursodeoxycholic Acid (N865300) metabolite.

Applications Methyl 2,3-dihydroxybenzoate (cas# 2411-83-8) is a useful research chemical.

Applications Intermediate for the preparation of Elacridar.

Applications [C(E)]-N-[(6-Chloro-3-pyridinyl)methyl]-N'-nitro-guanidine is an intermediate of WAK 4103 (W498200). WAK 4103 is a metabolite of Imidacloprid (I274990), a neonicotinoid; the active ingredient in certain neuro-active insecticides. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens.
References Nauen, R., et. al.: Pestic. Sci., 55, 265 (1999); Chauzat, M., et al.: Env. Entomol., 38, 514 (2009); Patial, A., et al.: Env. Ecol., 27, 320 (2009); Fernandez-Bayo, J., et al.: J. Agric., Food Chem., 57, 5435 (2009); Tomizawa, M., et al.: J. Med. Chem., 52, 3735 (2009); Chem. and Eng. News 90: 10 (2012)

Applications Reserpine (R144600) derivative, an alkaloid found in Rauwolfia.
References Robison, M. et al.: J. Am. Chem. Soc. 83. 2694 (1961); Robison, M. et al.: Experientia 17, 14 (1961)

Applications An intermediate for the preparation of rac Lamivudine.

Applications A metabolite of Maraviroc.
References Beaumont, K., et al.: Eur. J. Pharm. Sci., 12, 41 (2000), Walker, D.K., et al.: Drug Metab. Dispos., 33, 587 (2005).

Applications rac N-Boc-3,3-dimethyl-2-pyrrolidenecarboxylic Acid (cas# 143979-40-2) is a compound useful in organic synthesis.

Applications N-Nitro-α-[2-(Methylamino)ethyl]benzyl Alcohol is a derivative of α-[2-(Methylamino)ethyl]benzyl Alcohol(M286120); an impurity of fluoxetine (F597100).
References Tarkhanova, I.G. et al.: Russ. Chem. Bull., 55, 1624 (2006); Tarkhanova, I.G. et al.: Kin. Catal., 48, 711 (2007);

Applications 2-Bromo-4-(1,1,3,3-tetramethylbutyl)phenol is a useful reagent for the preparation of spiroboronates.
References Woodgate, P. D., et al.: J. Organomet. Chem., 590, 52 (1999)

Applications Diamethazine is an C17-alkylated, anabolic-androgenic steroid, that exhibits similar effects to Superdrol (M226010).
References Orlandi, F., et al.: Adv. Hepatol. Trans. Int. Symp. Int. Assoc. Study Liver., 109 (1965); Shakoori, A. R, et al.: Proceeding. Congress. Zool., 24, 1 (2004);

Applications 7-Benzyloxy-N-des[[2-(2-hydroxy)ethoxy]ethyl] Quetiapine-d8 (cas# 1185177-12-1) is a compound useful in organic synthesis.

Applications Protected 4-Hydroxy Toremifene (H954500), a metabolite of Toremifene (T547500). 4-Pivaloyloxy Toremifene is used in the preparation of Tamoxifen (T006000) analogs with improved binding selectivity towards the orphan estrogen-related receptor γ and the classical estrogen receptor α.
References Chao, E. et al.: Bioorg. Med. Chem. Lett., 16, 821 (2006)

Applications A sulfhydryl reactive heterobifunctional crosslinking reagent.Spacer Arm: 15.7 Angstroms
References Rich, D., et al.: J. Med. Chem., 18, 1004 (1975), Moroder, L., et al.: BioPolymers, 22, 481 (1983)