Étalons pharmaceutiques

Applications Norcamphor is a building block that is used in organic synthesis. Norcamphor has been used as a reactant in the synthesis of cardo-polymers with high gas permeabilities.
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 Carta, M., et. al.: Polymer Chem., 5, 5255 (2014)

Applications Cholesterol-3-d1 (CAS# 51467-57-3) is a useful isotopically labeled research compound.

Stability Unstable in Solution
Applications β-Ketoglutaric Acid is used in the synthesis of benzodiazepine derivatives. Also used in the synthesis of orally available hepatitis C virus polymerase inhibitors.
References Jung, D. et al.: Synth. Comm., 29, 1941 (1999); Li, H. et al.: J. Med. Chem., 52, 1255 (2009);

Applications 4,4’-Dithiobis[2-(1,1-dimethylethyl)-phenol is used as a reactant for the fabrication of coatings based on epoxy resins for environmental protection of microelectronics.
References Krysin, A. P., et al.: Russ. J. Appl. Chem., 86, 997-1000 (2013)

Applications 4-Bromotoluene-d3 is isotopically labelled form of 4-Bromotoluene (B688235), which is used as a reagent in the preparation of aromatic diselenides that are useful for generating anticancer lead compounds.
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 Rizvi, M.A., et al.: Bioorg. Med. Chem. Lett., 24, 3440 (2014); Leung, C., et al.: Angew Chem., Int. Ed., 52, 766 (2013);

Applications B-1-Naphthalenyl-boronic Acid is a useful synthetic intermediate. It is a reagent used to synthesize potassium aryltrifluoroborates which is a convenient precursor of arylboron difluoride lewis acids. It can also be used to prepare high yields of biaryls via Suzuki coupling.
References Vedejs, E., et al.: J. Org. Chem., 60, 3020 (1995); Larhed, M., et al.: Tetrahedron Lett., 37, 8219 (1996); Singh, R., et al.: 7, 1829 (2005)

Applications 6-methyl-2-oxo-4-[(5,6,7,8-tetrahydronaphthalen-2-yl)amino]-1,2-dihydropyridine-3-carboxylic acid (cas# 1239521-17-5) is a useful research chemical.

Applications Curcumin β-D-Glucuronide Triacetate Methyl Ester-d3 is an intermediate used in the synthesis of Curcumin β-D-Glucuronide-d3 (C838512), which is a labelled analogue of Curcumin β-D-Glucuronide, a metabolite of Curcumin (C838510) in hepatic tissue and portal blood.
References Sharma, O., et al.: Biochem. Pharmacol., 25, 1811 (1976); Colletti, L., et al.: J. Clin. Invest., 85, 1936 (1990); Sharma, R., et al.: Clin. Cancer Res., 7, 1894 (2001);

Applications 5-(2-Fluorophenyl)-5-oxovaleric Acid is used as a reagent in the preparation of indole derivatives which act as cell protective agents. It is also used as a reagent in the catalytic N-nitroso aldol reaction of γ,δ-unsaturated δ-lactones.
References Yamamoto, I., et al.: Preparation of indole derivatives as cell protective agents, WO Patent 9745410, Dec 4, 1997; Yanagisawa, A., et al.: Org. Lett., 14, 2434 (2012);

Applications 1,3-Dicyclohexyl-2-phenyl-pseudourea is an intermediate in the synthesis of [R-(R*,R*)]-(1,2-Dihydroxypropyl)phosphonic Acid (D454455) which is a Fosfomycin (F727500) impurity. Fosfomycin is an antibiotic that exerts a broad spectrum of antibacterial activity. P-[(1R,2R)-1,2-Dihydroxypropyl]-phosphonic Acid is an intermediate in the synthesis of [2-[2-Amino-3-hydroxy-2-(hydroxymethyl)propoxy]-1-hydroxypropyl]phosphonic Acid (A611565), another Fosfomycin (F727500) impurity.
References McGrath, J.W., et al.: Org. Biomolec. Chem., 7, 9 (1944); Goto, M., et al.: Antimicrob. Agents Chemother., 20, 393 (1981);

Applications Benzyl-2,3,4,5,6-d5 trans-Cinnamate (CAS# 347840-02-2) is a useful isotopically labeled research compound.

Applications N-Benzoyl-3-methoxytyrosine is an intermediate used in the synthesis of rac 3-O-Methyl DOPA (M303805), which is an impurity of Levodopa (D533751). A useful marker that can be used to screen for the absense of Aromatic L-amino acid decarboxylase (AADC).
References Tabar, et al.: Pharmacol. Biochem. Behav., 33, 139 (1989), De Souza Silva, et al.: J. Neurochem., 68, 233 (1997), Feigin, A., et al.: Neurology, 57, 2083 (2001), Perera, A., et al.: J. Labelled Comp. Radiopharm., 46, 389 (2003)

Applications 3,3'-BIS(TRIFLUOROMETHYL)BENZOPHENONE (cas# 1868-00-4) is a useful research chemical.

Applications 4'-Butylacetophenone is a compound usually found in cigarette smoke condensate. 4'-Butylacetophenone is also used as a reagent to synthesize 1,2,3-triazoles (e.g. 1H-1,2,3-Triazole [T767390]) from N-tosylhydrazones and anilines (e.g. Aniline [A662475]).
References Chen, Z., et al.: Angew. Chem. Int. Edit., 52, 13324 (2013); Newell, M., et al.: Tob. Sci., 22, 6 (1978)