APIs pour la recherche et les impuretés

Applications 1-Acetyl-5-(2-aminopropyl)indoline-7-carbonitrile is an intermediate in the synthesis of Silodosin (S465000), an α1a-adrenoceptor antagonist. It is used in treatment of benign prostatic hypertophy.
References Barve, I.J., et. al.: Tetrahedron, 69, 2834 (2013); Shibata, K., et al.: Mol. Pharmacol., 48, 250 (1995); Murata, S., et al.: J. Urol., 164, 578 (2000)

Applications Methyl 2-cyanobenzoate

Applications PHNO precursor. Used for the preparation of radiolabeled amines, which are useful in Positron Emission Tomog. (PET) and Single Photon Emission Computed Tomog. (SPECT), and hence, can be utilized for imaging neuro-receptors with radiolabeled agonists.
References Seiler, M., et al.: J. Med. Chem., 29, 912 (1986), Halldin, et al.: J. Nuclear Med., 36, 1275 (1995), Hwang, D., et al.: Nuclear Med. Biol., 27(6), 533 (2000),

Applications Used for clinical pharmacokinetic studies.
References Kyte, J., et al.: J. Mol. Biol., 157, 105 (1982), Kamo, M., et al.: Eur. J. Biochem., 255, 162 (1998), Wu, C., et al.: Nat. Biotechnol., 21, 532 (2003),

Applications N2-[1-Deoxy-2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranos-1-yl]-L-asparagine (cas# 794477-75-1) is a compound useful in organic synthesis.

Applications 1-Acetyl-2,2,5,5-tetramethyl-3-pyrroline-3-carboxamide (cas# 887352-22-9) is a compound useful in organic synthesis.

Applications Protected labelled Amoxapine.

Applications N-(3-Mercapto-2-methylpropanoyl)glycine (cas# 89021-98-7) is a compound useful in organic synthesis.

Applications Apalutamide-d3 is a labelled analog of Apalutamide (A726120) and has been explored for its pharmacological activities.
References Pang, X., et al.: Bioorg. Med. Chem. Lett., 27, 2803 (2017)

Stability Moisture Sensitive, Hygroscopic
Applications 1,2-dimethyl-1H-imidazole-4-sulfonyl chloride (cas# 137049-02-6) is a useful research chemical.

Applications 11-Ethoxycarbonyldodecanoic Acid (cas# 66003-63-2) is a compound useful in organic synthesis.

Applications 4,5-Dihydro-6-oxime-imidazo[4,5,1-jk][1]benzazepine-2,6,7(1H)-trione is an intermediate in the synthesis of Zilpaterol (Z430000), an β-Adrenergic agonist.
References Shelver, W.L., et al.: J. Agric. Food Chem., 52, 2159 (2004)

Applications Labelled Urea. Physiological regulator of nitrogen excretion in mammals; synthesized in the liver as an end-product of protein catabolism and excreted in urine. Also occurs normally in skin. Emollient; diuretic.
References Demetriou, A., et al.: Science, 233, 1190 (1986); Aebischer, P., et al.: Nat. Med., 2, 696(1996); Prakash, S., et al.: Biotechnol. Bioeng., 46, 621(1995);

Applications LY 364947, is a potent ATP-competitive inhibitor of Tgf-β signaling.
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 Ichida, J.K., et al.: Cell Stem Cell, 5, 491 (2009);

Applications Fmoc-(R)-3-amino-4-(4-methylphenyl)butanoic acid

Applications An intermediate in the preparation of benzazepinone derivatives.

Applications 2,3-Dibromo-3-(2-bromophenyl)propionic Acid (cas# 246876-04-0) is a compound useful in organic synthesis.

Applications 5-Acetyl-2H-pyrazole-3-carboxylic Acid Ethyl Ester (cas# 37622-89-2) is a useful research chemical.

Applications Used in the synthesis of 3-iodo-L-thyronine and its iodinated derivatives.
References Block, P., et al.: J. Med. Chem., 19, 1067 (1976),

Applications 5-HYDROXY-4-PROPYL-5H-FURAN-2-ONE (cas# 78920-10-2) is a useful research chemical.

Applications 2-[p-(2-Methyl-1,2-epoxypropyl)phenyl]propionic Acid (cas# 75626-00-5) is a compound useful in organic synthesis.

Applications Fesoterodine-d7, is the labeled analogue of Fesoterodine (F321300), a muscarinic receptor antagonist for the treatment of Lower Urininary Tract Symptoms (LUTS). It is very similar to Tolterodine (T535800).
References Rogers, D., et al.: Pharmacotherapy, 20, 1092 (2000), Praharaj, S., et al.: J. Psychopharmacology, 19, 426 (2005),

Applications 4-cyano-N,N-dimethylbenzamide (cas# 24167-50-8) is a useful research chemical.

Applications An impurity of Minocycline (M344800).
References Sokoloski, T.D., et al.: J. Pharm. Sci., 66, 1159 (1977), Naidong, W., et al.: J. Pharm. Biomed. Anal., 13, 905 (1995),

Applications ent-Frovatriptan is a serotonin 5-HT1B/1D receptor agonist and used as a triptan drug for treating migraine headaches (1,2,3). ent-Frovatriptan causes vasoconstriction of arteries and veins that supply blood to the head.
References (1) Parsons, A.A., et al.: J. Cardiovasc. Pharmacol., 30, 136 (1997)(2) Siow, C.H., et al.: Cephalalgia, 24, 1045 (2004)(3) Poolsup, N., et al.: J. Clin. Pharm. Ther., 30, 521 (2005)

Applications 2’-C-Methyl-2’,3’,5’-tri-O-benzoylcytidine (cas# 640725-69-5) is a compound useful in organic synthesis.

Applications An intermediate in the synthesis of the metabolite of Nitazoxanide.
References Honma, K., et al.: Chem. Pharm. Bull., 24, 394 (1976),

Applications (R,S)-Fmoc-3-amino-3-(naphthalen-2-yl)-propionic acid

Applications 2-Fluorobenzamide (cas# 445-28-3) is a useful research chemical.

Applications 4-((3-(4-(Cyclopropanecarbonyl)piperazine-1-carbonyl)-4-fluorophenyl)(hydroxy)methyl)phthalazin-1(2H)-one is an impurity of Olaparib (O514500), a potent poly(ADP-ribose) polymerase (PARP) inhibitor. Olaparib has been shown to induce significant killing of ATM-deficient lymphoid tumor cells in vitro and in vivo. Recent studies show that Olaparib increases radiosensitivity of a lung tumor xenograft, making it a potential candidate for use in combination with radiotherapy. Potent PARP inhibitor.
References Weston, V.J. et al.: Blood, 116, 4578 (2010); Senra, J.M. et al.: Mol. Cancer Therap., 10, 1949 (2011); Schaefer, N.G. et al.: Nuc. Med. Comm., 32, 1046 (2011);

Applications 5-Nitro-6-methylaminoquinoline (cas# 14204-97-8) is a compound useful in organic synthesis.

Applications A deuterated metabolite of the drug Sulfathiazole.

Applications 1-ANTHRACENECARBOXYLIC ACID (cas# 607-42-1) is a useful research chemical.

Stability Hygroscopic
Applications 5-(4-aminophenyl)-1,3,4-oxadiazol-2-ol (cas# 113118-47-1) is a useful research chemical.

Applications A metabolite of Arteether. Artemisinin analogue; antimalarial agent.
References Klayman, D., et al.: Science, 228, 1049 (1985), Avery, M., et al.: Adv. Med. Chem., 4, 125 (1999),Avery, M., et al.: J. Med. Chem., 45, 292 (2002), Cheng, F., et al.: Bioorg. Med. Chem., 10, 2883 (2002),

Applications 5beta-Androstan-3alpha-ol-11,17-dione-9,12,12,16,16-d5 is a useful isotopically labeled compound of 11-Oxo Etiocholanolone (O856650)

Applications N,N-Diethyl-p-toluamide, is a buildig block used in the synthesis of phthalocyanines. It can also be used in preparation of new insect repellents.
References Liang, J., et al.: Nongyaoxue Xuebao, Vol. 16,P: 644-650 (2014);

Applications 5beta-Androstan-3alpha,17beta-diol-2,2,3,4,4-d5 (CAS# 1224710-37-5) is a useful isotopically labeled research compound. This compound can be used to detect androgen, estrogen, progestagen abuse in bovine samples using multi-residue urinary assay.
References Scarth, J.et.al., Chromatographia, 71,241-252,(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);

Stability Moisture and Temperature Sensitive
Applications (R,S)-Equol 4’-Sulfate is a sulfated metabolite of isoflavone Daidzein (D103500).
References Heinonen, S., et al.: Anal. Biochem., 274, 211 (1999), Setchell, K., et al.: J. Nutr., 132, 3577 (2002), Thigpen, J., et al.: Comp. Med., 53, 607 (2003), Yee, S., et al.: Food Chem. Toxicol., 46, 2713 (2008),

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

Applications Dl-Metanephrine:Hcl (A,B,B-D3, 98%) (cas# 1085333-94-3) is a useful research chemical.

Applications Stimulates DNA synthesis when added exogenously to cultured fibroblasts at 5µM. Mitogenic activity is antagonized by cell permeable ceramides.
References Gomez-Munoz, A., et al.: Mol. Pharmacol., 47, 883 (1995)

Applications N-Acetyl-5-methyl-dl-tryptophan is a useful reagent for the preparation of lactone ketolide macrolide erythromycin antibiotics.
References Andreotti, D., et al.: PCT Int. Appl. (2002), WO 2002050091 A1

Applications An intermediate in the preparation of Etravirine

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

Applications N-​(3-​Dibenzofuranyl)-​5-​nitro-2-​furancarboxamide is synthesized from Dibenzo[b,d]furan-3-amine (D418205), which is a building block used as a reactant in the preparation of dibenzofuryl(phosphonomethyl)alanines as endothelin converting enzyme inhibitors.
References De Lombaert, S., et al.: J. Med. Chem., 43, 488 (2000);

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 5-hydroxy-2,5-dihydrofuran-2-one (cas# 14032-66-7) is a useful research chemical.

Applications 3a,6,7,7a-Tetrahydro-5-(hydroxymethyl)-2-(methyl-d3)-(3aR,5R,6S,7R,7aR)-5H-Pyrano[3,2-d]thiazole-6,7-diol-d3, is the labeled analogue of [3a,6,7,7a-Tetrahydro-5-(hydroxymethyl)-2-methyl-(3aR,5R,6S,7R,7aR)-5H-pyrano3,2-d]thiazole-6,7-diol (T293625), which can be used in the synthesis of Hexosaminidase inhibitors, which are the new drug candidates for the therapy of osteoarthritis.
References Liu, J. et al.: Chem. Bio., 8, 701 (2001);

Applications 5β-Androstane-3β,17α-diol is a metabolite of Testosterone (T155000), an androgenic hormone synthesized in the body that is primarily responsible for spermatogenesis (in males) and appearance of male characteristics in humans.
References Penton-Voak, I. & Chen, J.: Evol. Hum. Behav., 25, 229 (2004); Weinbauer, G. & Nieschlag, E.: Testosterone, No vol. given, 23 (1990)

Applications 1-Cyclopropyl-1,4-dihydro-7-fluoro-6-methoxy-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester (cas# 1391052-97-3) is a compound useful in organic synthesis.

Applications Used in the preparation of substituted oxazolidinones, useful in the treatment of disorders associated with blood coagulation.

Stability Moisture sensitive
Applications Reacts specifically and rapidly with thiols to form mixed disulfides. Used to probe the structures of the ACh receptor channel of the GABA receptor channel and of lactose permease.
References Wagner, D.A.and Czajkowski, C.: J. Neurosci., 21, 67 (2001), Traebert, M.: J. Membr. Biol., 180, 83 (2001)

Applications α,​α'-​[(Methylimino)​di-​3,​1-​propanediyl]​bis[3,​4-​dimethoxy-​α-​(1-​methylethyl)​-benzeneacetonitrile is an impurity of verapamil hydrochloride, a theraputic drug.
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 Vijayabaskar, S. et al.: Jour. of Pharm. and Bio. Ana. 137, 189-195 (2017)

Applications 4-Bromo-2-(trifluoromethyl)benzoic acid

Applications 1-Ethyl-1,4-dihydro-4-oxo-7-(4-pyridyl)quinoline-3-carboxylic Acid Ethyl Ester is an intermediate in the synthesis of Rosoxacin (R693580), an antibacterial agent used against Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus and Streptococcus pneumoniae.
References Koba, M., et. al.: J. Mol. Modeling, 16, 327 (2010)

Applications 5-Nitro-DL-tryptophan (cas# 6525-46-8) is a useful research chemical.

Applications 2-Desaminosulfonyl 3-Aminosulfonyl Dorzolamide is a useful synthetic compound. Also, it is derived from (4R,6S)-5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-ol 7,7-Dioxide (T344510), which is an analog of topically-active carbonic anhydrase inhibitor MK-507, commonly known Dorzolamide (D535100).
References Blacklock, T., et al.: J. Org. Chem., 58, 1672 (1993); Tempkin, O., et al.: Tetrahedron: Asym., 7, 2721 (1996)