Biochemicals and Reagents

Applications Biochemical tool for selective reduction of disulfide bridges at low pH; reductant for redox assay.
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 Neuburger, M., et al.: Eur. J. Biochem., 267, 2882 (2000), Krijt, J., et al.: Clin. Chem., 47, 1821 (2001), Yen, T.-Y., et al.: J. Mass Spectrom., 37, 15 (2002),

Applications Fmoc-L-cysteic acid (cas# 751470-47-0) is a useful research chemical for organic synthesis and other chemical processes.
References Dialer, L. O., et al.: J. Med. Chem., 56, 7552 (2013); Revell, J. D., et al.: Tetrahedron, 63, 8420, (2007)

Applications Cholesterol 5alpha,6alpha-epoxide is used in the generation of oxysterols and in the studies of the biological significance of oxysterols.
References Lizard, G., et al.: Eur. J. Lipid Sci. Technol., 118, 135 (2016); Sabolova, M., et al.: J. Sci. Food Agric., 97, 5092 (2017); Bezine, M., et al.: Biochimie (2018)

Applications Acetyl-d3 L-Carnitine Hydrochloride is labelled Acetyl L-Carnitine Hydrochloride (A171990) which is used for transmembrane action potential studies. Acetylcarnitine has antinociceptive activity that may be mediated by enhanced activity of muscarinic cholinergic receptors or mGlu2 glutamate receptors.
References Matsui, K., et al.: Japanese J. Pharmcol., 39, 263 (1985); Chlechio, S., et al.: J. Endocrinol. Invest., 27, 171 (2004): Walker, R., et al.: Comparative General Pharmacol., 4, 65 (1973)

Applications A metabolite of Cholesterol (C432501).
References Marx, J., et al.: Science, 294, 508 (2001), Plosch, T., et al.: J. Biol. Chem., 277, 33870 (2002), Lund, E., et al.: J .Biol. Chem., 278, 22980 (2003),

Stability Light, Temperature and Moisture sensitive
Applications A versatile photolabile bifunctional reagent. Useful for investigating the active sites of sulfhydryl enzymes-particularly those which posess a particularly reactive cysteine residue at the active site. Used to study the nature of the ribosomal binding site of E. coli tRNAVal.
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 Schwartz, I., et al.: Proc. Natl. Acad. Sci. USA, 71, 230 (1974)

Stability Hygroscopic
Applications Lauryl Betaine is an amphoteric surfactant derived from N-dodecyl-N,N-dialkanol amine with protein denaturing potency. Lauryl Betaine is mainly used in shampoo, personal hygiene products and oil field chemicals.
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 Kimura, Y. et al.: J. SCCJ, 29, 106 (1995); Qin, C. et al.: GUang. Huag., 34, 30 (2006); Peng, Z. et al.: Riy. HUax. Gong., 37, 135 (2007);

Applications Chocolate Brown HT (CAS# 4553-89-3) is a synthetic organic food colourant, and a long-term carcinogen.
References Amchova, P.; et al.: Regul. Toxicol. Pharm., 73, 914 (2015); Aguilar, F.; et al.: EFSA Journal, 8, 1536 (2010).

Stability Hygroscoipic, Light and Air Sensitive
Applications Dihydrofolic Acid is an intermediate in mammalian conversion of dietary folic acid to tetrahydrofolate by dihydrofolate reductase (DHFR). Folic acid (FA) and Dihydrofolic acid (FAH2) are substrates of dihydrofolate reductase(s) which reduce them to tetrahydrofolate (THF).
References Andres, J., et al.: Bioorg. Chem., 24, 10 (1996), Benkovic, S., et al.: Science, 301, 1196 (2003), ,,,,Williams, D; J Mol Biol 2003, 329, 389,,,Krahn, J., et al.: Biochemistry, 46, 14878 (2007),

Applications Carboxymethylcellulose Sodium (cas# 9004-32-4) is a useful research chemical.

Stability Light Sensitive
Applications 1,2-Dilinoleoyl-3-palmitoyl-rac-glycerol is a triacylglycerol found in sesame oil.
References Lee, D., et al.: Analytica Chimica Acta, 429, 321 (2001); Jahaniaval, F., et al.: J. AM. Oil Chem. Soc., 77,847 (2000)

Applications 4-Chloro-6-iodoquinazoline is an intermediate in the synthesis of Lapatinib (L175800).
References Petrov, K., et al.: Bioorg. Med. Chem. Lett., 16, 4686 (2006),

Applications o-Dianisidine (cas# 119-90-4) is a useful research chemical. Dyes and metabolites, Environmental Testing.

Stability Volatile
Applications CIS-BETA-METHYLSTYRENE (cas# 766-90-5) is a useful research chemical.

Applications Rose Bengal Sodium Salt is used in biological studies as potential for use as sensitizers in photodynamic and sonodynamic therapy by synthesizing Rose Bengal amphiphilic derivatives. This compound has neuroprotective properties.
References Sugita, N., et al.: Bioconjugate Chem., 18, 866 (2007)

Stability Moisture Sensitive
Applications A useful synthetic intermediate for making potent and selective coronary vasodilators.
References Niiya, K., et al.: J. Med. Chem., 35, 4557 (1992)

Applications RIBOFLAVINE TETRABUTYRATE (cas# 752-56-7) is a useful research chemical.

Applications Hydroxyprolines are valuable chiral building blocks for organic synthesis of pharmaceuticals. Several microorganisms producing proline trans-4- and cis-3-hydroxylase were discovered and these enzymes were applied to the industrial production of trans-4- and cis-3-hydroxy-L-proline.
References Lawrence, C., et al.: Biochem. J., 313, 185 (1996), Mori, H., et al.: J. Bacteriol., 179, 5677 (1997), Clifton, I., et al.: Eur. J. Biochem., 268, 6625 (2001),