Aminoacids and derivatives

<p>Stability Hygroscopic<br>Applications 3,4-Dihydroxybenzaldehyde (cas# 139-85-5) is a compound useful in organic synthesis.<br></p>

<p>Applications sn-Glycero-3-phosphocholine (Choline Alfoscerate) is a phospholipid; precursor in choline biosynthesis. sn-Glycero-3-phosphocholine is an intermediate in catabolic pathway of phosphatidylcholine. sn-Glycero-3-phosphocholine is used as an Nootropic.<br>References Schmidt, G., et al.: J. Biol. Chem., 161, 523 (1945), Frattola, L., et al.: Curr. Ther. Res., 49, 683 (1991), Olson, D., et al.: Science, 270, 1967 (1995),<br></p>

<p>Applications Minor Cisapride (C496400) metabolite.<br>References Meuldermans, W., et al.; Drug Metab. Disposition, 16, 410 (1988), Lowry J., et al.; Clin. pharmacol. ther., 73, 209 (2003), Shao L., et al.: Bioorg. Med. Chem. Lett., 19, 5679 (2009),<br></p>

<p>Applications A labelled, essential amino acid.<br>References Goze, C., et al.: Eur. J. Pharmacol., 643, 153 (2010), Bhandare, P., et al.: J. Chem. Pharm. Res., 2, 372 (2010),<br></p>

<p>Applications Labelled ε-Aminocaproic Acid. Used in the preparatiom of esters of 6-aminohexanoic acid as antibacterial agents. EACA is reported to inhibit chymotrypsin, Factor VIIa, lysine carbo xy peptidase, plasmin, and plasminogen activator.<br>References Dolezal, P., et al.: Pharm. Res., 10, 1015 (1993), Vavrova, K., et al.: Curr. Med. Chem., 12, 2273 (2005), Holas, T., et al.: Bioorg. Med. Chem., 14, 7671 (2006),<br></p>

<p>Stability Hygroscopic<br>Applications Essential cofactor of fatty acid metabolism; required for the transport of fatty acids through the inner mitochondrial membrane. Synthetized primarily in the liver and kidney; highest concentrations found in heart and skeletal muscle. Dietary sources include red meat, dairy products, beans, avocado.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978), Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001), Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002), Karlic, H., et al.: Nutrition, 20, 709 (2004),<br></p>

<p>Applications 6-(6-(6-Aminohexanamido)hexanamido)hexanoic Acid is used in the making of a preconjugate which serves as immunoreactive conjugate useful as a developer antigen in a competitive inhibition immunoassay for the polymorphic analyte. Also used in the efficient synthesis of a heterobifunctional coupling agent.<br>References Oh, C. S., et al.: PCT Int. Appl. (1994), WO 9416330 A1 19940721; Reddy, R. E., et al.: Bioconjug. Chem., 16, 1323 (2005)<br></p>

<p>Applications A metabolite of 5-Hydroxytryptamine, also known as Serotonin (S274990).<br>References Uutela, P. et al.: Anal. Chem., 81, 8417 (2009); Koehle, C. et al.: Biochem. Pharmacol., 69, 1397 (2005); Krishnaswamy, S. et al.: Xenobiotica, 33, 169 (2003);<br></p>

<p>Applications Isotope labelled N-Isovalerylglycine is a useful diagnostic tool in the diagnosis of many organic acidemias and mitochondrial fatty acid β-oxidation defects. N-Isovalerylglycine is found in the urine of patients with isovaleric acidemia, an inborn error of leucine metabolism.<br>References Tanaka, K. et al.: J. Biol. Chem., 242, 2966 (1967); Bonafe, L. et al.: Mol. Gen. Metab., 69, 311 (2000);<br></p>

<p>Applications trans-4-Hydroxycyclohexylcarboxylic Acid acts as a reagent in the synthetic preparation of pyrazole-pyrimidine preparation as TTK inhibitors and potential antitumors, Preparation and Janus kinase 1 (JAK1)-selective inhibitory activity of benzimidazole derivatives.<br>References Liu, Y., et al.: ACS Med. Chem. Lett., 7, 671 (2016); Kim, H., et al.: Bioorg. Med. Chem. Lett., 26, 3213 (2016)<br></p>

<p>Applications L-Kynurenine is a tryptophan metabolite which is a precursor of kynurenic acid (K660500) and an antagonist of N-methyl-aspartate receptor.<br>References Swartz, K., et al.: J. Neurosci., 10, 2965 (1990);, Hasegawa, H., et al.: Anal. Bioanal. Chem., 377, 886 (2003); Tsai, Y., et al.: Anal. Biochem., 319, 34 (2003); Mitsuhashi, S., et al.: Anal. Chim. Acta, 584, 315 (2007)<br></p>

<p>Stability Hygroscopic<br>Applications CEL and CML are two stable, nonenzymatic chemical modifications of protein lysine residues resulting from glycation and oxidation reactions.<br>References Fu, M.X., et al.: J. Biol. Chem., 271, 9982 (1996), Ahmed M.U., et al.: Biochem.J., 324, 565 (1997), Schleicher, E.D., et al.: J. Clin. Invest., 99, 457 (1997), Shibayama, R., et al.: Diabetes, 48, 1842 (1999),<br></p>

<p>Applications 3-O-Methylcarbidopa is an impurity of Carbidopa (C175915) with potential use as therapeutic agents to treat hypertension and Parkinson's disease.<br>References Gelber, L. et al.: J. Chrom., 257, 317 (1983); Kallwass, H. et al.: Bioorg. Med. Chem., 2, 557 (1994);<br></p>

<p>Applications Cyclopropyl-d5-amine is labelled Cyclopopylamine (C989140) which can inactivate major human drug-metabolizing cytochromes P450 enzymes.<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 Shaffer C., et al.: J. Am. Chem. Soc., 123, 8502 (2001); Polasek, T., et al.: Brit. J. Clin. Pharmaco., 61, 570 (2006)<br></p>

<p>Applications An essential amino acid found in naturally produced peptides. Unlike its stereoisomer, L-tryptophan, it is not used in structural or enzyme proteins.<br>References Karunakaran, S.et al.: Bochem. J., 414, 343 (2008); Pallaghy, P.K. et al.: Biochem., 38, 11553 (1999);<br></p>

<p>Applications A labelled metabolite of 5-Hydroxytryptamine, also known as Serotonin (S274990).<br>References Uutela, P. et al.: Anal. Chem., 81, 8417 (2009); Koehle, C. et al.: Biochem. Pharmacol., 69, 1397 (2005); Krishnaswamy, S. et al.: Xenobiotica, 33, 169 (2003);<br></p>

<p>Applications L-Kynurenine-d4 Trifluoroacetic Acid Salt is the isotope labelled analog of L-Kynurenine. L-Kynurenine is a tryptophan metabolite which is a precursor of kynurenic acid, an antagonist of N-methyl-aspartate receptor.<br>References Swartz, K., et al.: J. Neurosci., 10, 2965 (1990);, Hasegawa, H., et al.: Anal. Bioanal. Chem., 377, 886 (2003); Tsai, Y., et al.: Anal. Biochem., 319, 34 (2003); Mitsuhashi, S., et al.: Anal. Chim. Acta, 584, 315 (2007)<br></p>

<p>Applications N-Acetyl-L-Tryptophan, is a derivative of L-Tryptophan (T947210), that can be used as competitive inhibitor to identify and characterize tryptophanases. It can also be used as an NK1 tachykinin receptor antagonist, that may help to develop a novel therapeutic intervention for the treatment of reperfusion injury in acute ischemic stroke.<br>References Turner, R. J., et al.: Neuroscience, 220, 1 (2012);<br></p>

<p>Stability Hygroscopic<br>Applications One of the metabolites found in the lymph fluid collected from dietary stressed rats.<br>References Ardawi, M., et al.: Biochem. J., 212, 835 (1983), Otton, R., et al.: J. Endocrinol., 174, 55 (2002), Gu, H., et al.: Anal. Chem., 79, 89 (2007),<br></p>