Étalons pharmaceutiques

Applications 6-Nitropyrido[2,3-d]pyrimidin-4(3H)-one is a useful research chemical for organic synthesis and other chemical processes.

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);

Stability Moisture Sensitive
Applications 2-Bromo-4’-isopropylacetophenone (cas# 51012-62-5) is a compound useful in organic synthesis.

Applications Tetramethylthiourea (cas# 2782-91-4) is a useful research chemical.

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 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 9-Methylanthracene-d12 (CAS# 6406-97-9) is a useful isotopically labeled research compound.

Applications Tris(4-nitrophenyl)phosphate (cas# 3871-20-3) is a compound useful in organic synthesis.
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 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 Cholesterol-3-d1 (CAS# 51467-57-3) is a useful isotopically labeled research compound.

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 D-Asparagine Methyl Ester is a protected form of D-Asparagine (A788960) which is an isomer of L-Asparagine (A790005). L-Asparagine is used by bacteria (such as Saccharomyces cerevisiae) as a sole nitrogen source for replication. L-Asparagine is also a competitive inhibitor of staphylococcal L-asparaginase and is used as a reagent to synthesize peptide antibiotics.
References Jones, G.: J. Bacteriol., 130, 128 (1977); Perlman, D. & Bodanszey, M.: Ann. Rev. Biochem., 40, 449 (1971); Sobis, M. & Mikucki, J.: Acta Microbiol. Polon., 40, 143 (1990)

Applications o-Nitrophenylsulfonyl Chloride is used in the synthesis of renin inhibitors and also anticonvulsants.
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 Harish, K. et al.: Lett. Drug Des. Disc., 10, 783 (2013); Michida, M. et al.: Org. Proc. Res. Dev., 17, 1430 (2013);

Applications 3,5-DIMETHOXYPHENYLACETIC ACID METHYL ESTER (cas# 6512-32-9) is a useful research chemical.

Applications Chlorhexidine Digluconate Impurity N-d4 Hydrochloride, is labelled Chlorhexidine Digluconate Impurity N (C377660), which is a degradation product found in chlorhexidine digluconate solution.
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 Revelle, L., et. al.: Pharmaceut. Res., 10, 1777 (1993)

Applications 4-Bromo-1-naphthoic acid

Applications 4'-Chloroacetophenone-2',3',5',6'-d4 (CAS# 284474-50-6) is a useful isotopically labeled research compound.

Applications 4-Benzyloxyacetophenone is used in preparation of inhibitors of various proteins such as hepatitis C virus polymerase, glucosylceramide synthase and protein tyrosine phosphatase 1B.
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 Deng, Y., et al.: Bioorg. Med. Chem. Lett., 19, 5363 (2009); Lee, L., et al.: J. Biol. Chem., 274, 14662 (2009); Liu, Z., et al.: Bioorg. Med. Chem. Lett., 21, 3755 (2011)

Applications N-(4,4’-Dinitro-biphenyl-2-yl)benzamide (cas# 84682-33-7) is a compound useful in organic synthesis.

Applications Boc-L-aspartic Acid β-Methyl Ester is used to prepare isoxazoline glycoprotein IIb/IIIa antagonists. It is also used to synthesize glutamic acid analogs as potent inhibitors of leukotriene A4 hydrolase.
References Xue, C., et al.: J. Med. Chem., 40, 2064 (1997); Kirkland, T., et al.: Bioorg. Med. Chem., 16, 4963 (2008)

Applications A volatile lactone found in fruits giving ripe produce their aroma.
References Tavori, H., et al.: Bioorg. Med. Chem., 16, 7504 (2008), Pandit, S., et al.: J. Sci. Food Agric., 89, 2071 (2009), Xiang, D., et al.: Biochem., 48, 2237 (2009), Pandit, S., et al.: Food Chem., 114, 363 (2009),

Applications A diamino substituted nathalenesulfonic acid derivative.

Stability Refrigerator
Applications 4-Acetamido-4'-nitrostilbene-2,2'-disulfonic Acid Disodium Salt (cas# 78211-77-5) is a compound useful in organic synthesis.

Applications α-(Methoxyimino)-2-furanacetyl-d3 Chloride is an intermediate in synthesizing Cefuroxime-d3 (C248052), a labelled Cefuroxime (C248050). Antibacterial.
References O’Callaghan, C.H., et al.: Antimicrob. Agents Chemother., 9, 511 (1976); Norrby, R., et al.: J. Antimicrob. Chemother., 3, 355 (1977); Brogden, R.N., et al.: Drugs, 17, 233 (1979); Wozniak, J.R., et al.: Anal. Profiles Drug Subs., 20, 209 (1991)

Applications 1-BROMOANTHRACENE (cas# 7397-92-4) is a useful research chemical.

Applications 3-Bromo-2-(trifluoromethyl)benzoic Acid Methyl Ester is a useful synthetic intermediate.

Applications 9,10-Dibromoanthracene-2-sulfonic Acid (cas# 70942-82-4) is a compound useful in organic synthesis.
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 rac 4-Hydroxy-7-methoxy-4-(4-benzyloxyphenyl)-1,2,3,4-tetrahydronaphthalene (cas# 1286878-19-0) is a compound useful in organic synthesis.

Applications 2,​4-​Hexadecadienoic acid has been used as a compound for the study of Langmuir’s monolayer behaviour in an air/water interface.
References Lee, K.J., et al.: Macromolecular Reports, A30, 101-9 (1993)