Building Blocks

<p>Stability Moisture Sensitive<br>Applications Reagent for fluorescent labelling of amines, amino acids and proteins.<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 Weber, G., et al.: Biochem. J., et al.: 51, 155 (1952), Kinoshita, T., et al.: Anal. Biochem., 66,104 (1975), Marks, R., et al.: Br. J. Dermatol., 111, 265 (1984),<br></p>

<p>Applications 3-(Hydroxymethyl)Benzamide (cas# 126926-34-9) is a useful research chemical.<br></p>

<p>Applications 1-Methyl-1h-1,2,4-triazol-3-amine (cas# 49607-51-4) is a useful research chemical.<br></p>

<p>Applications 3,4-Dimethylpyrazole (cas# 2820-37-3) is a compound useful in organic synthesis.<br></p>

<p>Applications 3,5-Dimethylpyrazole his a catalyst in the sulfonation of acetic anhydride to sulfoacetic acid and methanedisulfonic acid. 3,5-Dimethylpyrazole has been used in the synthesis of bipyrazolic tripodal derivatives with in vitro antitumor, antifungal and antibacterial activities.<br>References Jianrattanasawat, S., Mezei, G.: Inorg. Chim. Acta, 384, 318 (2012); Radi, S., et. al.: Lett. Drug Design Disc., 9, 305 (2012); Radi, S., et. al.: Res. J. Chem. Sci., 2, 40 (2012)<br></p>

<p>Applications 4-Cumylphenol is a useful reagent for preparing and characterizing aromatic polyphosphonates as high refractive index polymers (1).<br>References (1) Macdonald, E. K., et al.: Eur. Polym. J 87, 14 (2017)<br></p>

<p>Applications 2,5-Dimethylpyrazine is used as a reagent in the synthesis of bone-targeted proteasome inhibitors for multiple myeloma (MM). 2,5-Dimethylpyrazine is also used in the preparation of 3-Methyl-2,5-bis-(2-hydroxyethyl)pyrazine (M295340); a degredation product of Clavulanic Acid (C563750) which is a β-lactamase inhibitor, typically added to amoxicillin to increase its effectiveness.<br>References Agyin, J.K., et al.: Bioorg. Med. Chem. Lett., 23, 6455 (2013); Reading, C. and Cole, M.: Antimicrob. Ag. Chemother., 11, 852 (1977); Ball, A.P., et al.: Lancet, 1, 620 (1980); Brogden, R.N., et al. Drugs, 22, 337 (1981); Haginaka, J. et al.: Chem. Pharm. Bull., 33, 218 (1985)<br></p>

<p>Impurity Imatinib EP Impurity I<br>Stability Hygroscopic<br>Applications Dimethylamine hydrochloride (Imatinib EP Impurity I) is a precursor to several industrially significant compounds. It is a COVID19-related research product.<br>References Burton, P., et al.: Biochem. J., 432, 575 (2010); Shim, K.S., et al.: DNA Repair., 5, 718 (2006); Robacker, D.C., et al.: J. Chem. Ecol., 23, 1263 (1997);<br></p>

<p>Applications 7-Methoxy-4-methylcoumarin (cas# 2555-28-4) is a compound useful in organic synthesis.<br></p>

<p>Applications A metabolite of Caffeine.<br>References Kalow, W., et al.: Clin. Pharmacol. Ther., 53, 503 (1993), Sharma, S., et al.: Cancer Res., 54, 5848 (1994), Sugawara, M., et al.: J. Biol. Chem., 275, 16473 (2000), Takeda, M., et al.: J. Pharmacol. Exp. Ther., 302, 666 (2002),<br></p>

<p>Stability Unstable in Aqueous Solution<br>Applications 2-METHYL-1,4-BUTANEDIOL (cas# 2938-98-9) is a useful research chemical.<br></p>

<p>Applications Menthyl Acetate is a component of essential oils extracted from natural sources.<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 Adaszynska, Michalina, et al.: Zywnosc, 20(2), 116-125 (2013);Hashimoto, Gabriela S., et al.: Aquaculture, 450, 182-186 (2016);Mazzucotelli, Maria, et al.: J. of Chrom. A, 1583, 124-135 (2019)<br></p>

<p>Applications (-)-Menthone, is s a constituent of the essential oils of pennyroyal, peppermint, Pelargonium geraniums, and others. It is also a naturally occurring pesticide.<br>References Zhang, Q., et al.: Pest Management Science, 69, 542 (2013); Weimin, Y., Shijie Nongyao, 30, 33 (2008);<br></p>

<p>Applications A substituted benzene use in polypeptide sequencing (also referred to as Sanger’s reagent). Used in the derivitization of primary amines. Shown to inhibit the reductase activity of mitochondrial b-c1 complex isolated from beef heart mitochondria.<br>References Sanger, F. et al.: Biochem. J., 39, 507 (1945); Fariss, M.W. et al.: Methods Enzymol., 143, 101 (1987); Lorusso, M. et al.: FEBS Lett., 195, 298 (1986);<br></p>

<p>Applications A optically active metabolite of Tramadol.<br>References Lintz, V.W., et al.: Arzneim.-Forsch./Drug Res., 31, II, 11, 1932 (1981)<br></p>

<p>Applications 1-(Methylthio)diphenylmethane is used in preparation of Thiols and Thioethers via reduction or methylation of Thiones with Lithium Diisopropylamide.<br>References Gebert, A., et al.: Helvetica Chimica Acta, 97, 931-938 (2014);<br></p>

<p>Impurity Indomethacin EP Impurity B<br>Applications N-Deschlorobenzoyl Indomethacin (Indomethacin EP Impurity B) is a metabolite of Indomethacin.<br>References O'Brien, W., et al.: Clin. Pharmacol. Ther., 9, 94 (1968), Duggan, D., et al.: J. Pharmacol. Exp. Ther., 181, 563 (1972), Abourashed, E., et al.: Curr. Med. Chem., 6, 359 (1999), Chatterjee, P., et al.: J. Nat. Prod., 62, 761 (1999),<br></p>