Building Blocks

<p>Applications N-Methylmaleimide is an electron deficient olefin that acts as a thiol-blocking reagent in living human cells. N-Methylmaleimide also has the ability to undergo free-radical homopolymerization, and is used as a model for resins that contain the maleimide functional group.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Sandreczki, T. &amp; Brown, I.: Macromolecules, 23, 1979 (1990); Shibata, A., et al.: Bioorg. Med. Chem. Lett., 18, 2246 (2008); Yin, J. &amp; Liebeskind, L.: J. Am. Chem. Soc., 121, 5811 (1999)<br></p>

<p>Applications 3',4',5'-Trifluoro-[1,1'-biphenyl]-2-amine is a building block used in various chemical synthesis.<br></p>

<p>Stability Hygroscopic<br>Applications 1,6-Anhydrohexopyranoses have proven to be valuable synthons for the preparation of biologically important and structurally diverse products (e.g. rifamycin S, indanomycin, thromboxane B2, (+)-biotin, tetrodotoxin, quinone, and macrolide antibiotics) as well as for modified sugars.The chemical/physical/toxicological properties have not been thoroughly investigated. Since it is known to be a minor component of certain food materials it may be regarded as of relatively low toxicity.<br>References Fraser-Reid, B., et al. J. Am. Chem. Soc. 106, 731 (1984); Edwards, M.P., et al. J. Org. Chem. 49, 3503 (1984); Kelly, A.G., and Roberts, J.S. J. Chem. Soc., Chem. Commun. 228, (1980); Ogawa, T., et al. Carbohydr. Res. 57, C31 (1977); Isobe, M., et al. Tetrahedron Lett. 28, 6485 (1987); Fresnos, J.N. and Swenton, J.S. , J. Chem. Soc., Chem. Commun. 658, (1985); Kochetkov, N.K. et al., Tetrahedron Lett. 22, 4315, 4319 (1981); Georges, M. et al., Carbohydr. Res. 130, 115 (1984); Paulsen, et al., Chem. Ber. 114, 322 (1981).<br></p>

<p>Stability Moisture Sensitive<br>Applications 5-Bromoacetyl-2-hydroxybenzamide is a reagent used in the synthesis of bisthiazole derivatives and novel 7-methylguanine derivatives targeting influenza polymerase binding domains.<br>References Pautus, S. et al.: J. Med. Chem., 56, 8915 (2013); Araniciu, C. et al.: Revista. Chim., 64, 1067 (2013);<br></p>

<p>Applications 3,3',5,5'-Tetramethylbenzidine is a chromogenic substrate used in staining procedures in immunohistochemistry as well as being a visualising reagent used in enzyme-linked immunosorbent assays (ELISA). Dyes and metabolites, Environmental Testing.<br>References Josephy, P. David., et al.: J. Biol. Chem., 257, 3669 (1982);<br></p>

<p>Applications Citraconic Acid (cas# 498-23-7) is a useful research chemical.<br></p>

<p>Applications Z-2-Fluoro-3-(3-pyridyl)acrylic Acid (cas# 359435-42-0) is a compound useful in organic synthesis.<br></p>

<p>Stability Hygroscopic<br>Applications rac-Citronellal is a monoterpenoid and the major isolate in citronella oil. Citronella oil is an essential oil bearing insecticidal properties. rac-Citronellal is also often used as a fragrance ingredient.<br>References Waliwitiya, R., et al.: J. Med. Entomol., 49, 614 (2012);<br></p>

<p>Applications Meprylcaine Hydrochloride is a local anaesthetic used in medical procedures.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Morita, K. et al.: Brain Res., 1057, 153 (2005); Toshihiro, D. et al.: Curr. Med. Chem., Cent. Nerv. Sys. Agents, 5, 89 (2005);<br></p>

<p>Applications (+)-Citronellal is a monoterpene compound that is formed by the metabolism of plants. (+)-Citronellal is a natural insect repellant, and is the main component of citronellal oil. (+)-Citronellal is also used as a starting material in the one pot synthesis of (-)-Menthol (M218875).<br>References Kwon, Y., et al.: Curr. Biol., 20, 1672 (2010); Lenardão, E., et al.: Tetrahedron, 63, 6671 (2007); Milone, C., et al.: Appl. Catal. A-Gen., 199, 239 (2000)<br></p>

<p>Applications Malonuric Acid is produced during degradation of sodium barbiturates.<br>References Fretwurst, F., et al.: Arzneimittel-Forschung, 8, 44-50 (1958)<br></p>

<p>Applications 2,3-Diethyl-5-methylpyrazine is a volatile compound found in food such as almonds and swiss cheese.<br>References Manzano, P. et. al.: J. Sep. Sci., 37, 675 (2014); Taylor, K., et. al.: J. Food Sci., 78, C1509 (2013)<br></p>

<p>Applications Intermediate in sugar metabolism and in enzymatic carbohydrate degradation (alcoholic fermentation) where it is converted to acetaldehyde and CO2 by carboxylase. In muscle, Pyruvic acid (derived from glycogen) is reduced to lactic acid during exertion, which is reoxidized and partially retransformed to glycogen during rest. The liver can convert Pyruvic acid to alanine by amination. A diagnostic agent for Parkinson disease.<br>References Wenzel, A., et al.: J. Neurosci., 21, 53 (2001), Martinez., et al.: Development, 6, 851 (2002), Nakayama, K., et al.: J. Biochem., 146, 757 (2009), Tanaka, T., et al.: J. Pharmacol. Sci., 109, 24 (2009),<br></p>

<p>Applications 3-Formyl-5-methylbenzoic Acid<br></p>

<p>Applications 2,4,5-Trifluorobenzoic Acid is a useful synthetic intermediate. It can be used to synthesize quinolone antibacterial agnts.<br>References Sanchez, J., et al.: J. Med. Chem., 31, 983 (1988); Tran, T., et al.: Bioorg. Med. Chem. Lett., 14, 4405 (2004)<br></p>

<p>Stability Moisture Sensitive<br>Applications Malonic Acid-d4 is the isotope labelled analog of Malonic Acid (M158005); a small bioactive molecule that can be used in various reactions. It is the classic example of a competitive inhibitor which acts against succinate dehydrogenase (complex II) in the respiratory electron transport chain.<br>References Weiner, N., "Malonic Acid", Org. Synth.; Coll. Vol. 2: 376<br></p>