Aminoacids and derivatives

<p>Applications Labelled analogue of 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 Methyl 6-aminohexanoate is used as a reagent to synthesize straight chain hydroxamates, compounds that act as inhibitors of Human Histone Deacetylase (HDAC) that have the potential to treat cancer. Methyl 6-aminohexanoate is also sometimes used as a spacer unit for peptide synthesis.<br>References Matthews, S., et al.: J. Chem. Soc. Chem. Commun., 17, 1809 (1995); Remiszewski, S., et al.: J. Med. Chem., 45, 753 (2002)<br></p>

<p>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 Cadaverine is a polyamine produced by the decarboxylation of L-lysine, and is also produced by Escherichia coli (E.coli) cells when grown in acidic pH. Cadaverine is known to inhibit porin-mediated outer membrane permeability in E.coli.<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 Mimitsuka, T., et al.: Biosci., Biotech., Bioch., 71, 2130 (2007); Sanartzidou, H., et al.: J. Bacteriol., 185, 13 (2003)<br></p>

<p>Applications Labelled sym-Homospermidine (H625000). sym-Homospermidine is an analogue of Spermidine. sym-Homospermidine is used as antineoplastic.<br>References Pegg, A., et al.: Cancer Res., 48, 759 (1988), Bergeron, R., et al.: J. Med. Chem., 37, 3464 (1994), Bergeron, R., et al.: Drug Metab. Dispos., 23, 1117 (1995),<br></p>

<p>Applications L-Glutamic-2,4,4-d3 Acid (CAS# 203805-84-9) can be used for rapid and sensitive quantitation of amino acids in malaria biological samples using LC-EI/MS. It can also be used to determine thyroxine levels in blood samples using mass spectrometry.<br>References Armenta, J.et.al., Anal.Chem., 82,548-5548,(2010); Chace, D., et.al., U.S. Pat. Appl Publ., 10,(2008);<br></p>

<p>Applications D-Lysine is the unnatural isomer of L-Lysine (L468895) that has the ability to reduce non-enzymatic glycation in vitro. D-Lysine also exists as polypeptide chains of poly-D-lysine, a nonspecific adhesion-promoting molecule that has the potential to be a polymeric drug carrier.<br>References Chen, Q., et al.: J. Biol. Chem., 269, 26602 (1994); Sensi, M., et al.: Diabetologia, 36, 797 (1993); Vermeersch, H., &amp; Remon, J.: J. Control. Rel., 32, 225 (1994)<br></p>

<p>Applications ε-​Caprolactam is a synthetic precursor of Nylon-6 and other synthetic polymers. This compound also inhibits the growth of several Bacillus and Rhizobium species, but Arthrobacter species grow normally in the presence of this compound.<br>References Bomfim, Marcus V.J., et al.: Braz. J. Pharm. Sci., 45(1), 21-35 (2009); Kalinova, Jana P., et al.: Food Chem., 157, 380-384 (2014)<br></p>

<p>Stability Hygroscopic<br>Applications Essential amino acid.<br>References Liu, F., et al.: Bioorg. Med. Chem., 18, 4167 (2010), Kumar, R., et al.: Eur. J. Med. Chem., 45, 2265 (2010), Cai, W., et al.: Bioorg. Med. Chem., 18, 1899 (2010),<br></p>

<p>Applications L-Homocysteine Thiolactone Hydrochloride is used to prepare substituted homocysteine analogs as inhibitors of peptidylglycine α-amidating monooxygenase. It is also used to synthesize (mercaptoacyl)alanylprolines as metalloprotease inhibitors.<br>References Erion, M., et al.: J. Med. Chem., 37, 4430 (1994); Slusarchyk, W., et al.: Bioorg. Med. Chem. Lett., 5, 753 (1995)<br></p>

<p>Applications Glycine-15N,d2, is the labeled analogue of Glycine (G615990), a non-essential amino acid for human development. Glycine is an inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.<br>References Scott, D. et al.: J. Neurosci., 21, 3063 (2001); Laube, B. et al.: Neuropharmacology, 47, 994 (2004); Papadakis, M. et al.: J. Biol. Chem., 279, 14703 (2004); Chen, P. et al.: Mol. Pharmacol., 67, 1470 (2005); Wolosker, H. et al.: Mol. Neurobiol., 36, 152 (2007);<br></p>

<p>Applications Used for the counterselection of TRP1, a commonly used genetic marker in the yeast Saccharoyces Cerevisiae. An antimetabolite for the tryptophan pathway in yeast, and is toxic by virtue of its antimetabolite conversion to 5-Fluorotryptophan. It can be used for the selection of tryptophan auxotroophs.<br>References Toyn, J.H., et al.: Yeast, 16, 553, 560 (2000)<br></p>

<p>Applications 6-Aminocaproic Acid Dimer is a reactant with citric acid in the formation of 3-hydroxy-3,4-dicarboxy-butanamide-N-hexanoic acid.<br>References Schou-Pedersen, A. V., et al.: J. Pharm. Biomed. Anal., 107, 333-340 (2015)<br></p>

<p>Applications Baclofen-d4, is the labeled analogue of Baclofen (B108000), a specific GABA-B receptor agonist. Muscle relaxant (skeletal).<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 Ahuja, S., et al.: Anal. Profiles Drug Subs., 14, 527 (1985), Brogden, R.N., et al.: Drugs, 8,1 (1974)<br></p>

<p>Applications 3-(4-Chlorophenyl)glutaric Acid (cas# 35271-74-0) is a compound useful in organic synthesis. Baclofen Impurity 1<br></p>

<p>Applications Epi-Lacosamide is an impurity of Lacosamide (L098500), a medication used for the adjunctive treatment of partial-onset seizures and diabetic neuropathic pain. Lacosamide is a potent anticonvulsant.<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 Choi, D., et al.: J. Med. Chem., 39, 1907 (1996), Morieux, P., et al.: Bioorg. Med. Chem., 16, 8968 (2008),<br></p>

<p>Applications Lacosamide impurity I: (R)-N-benzyl-2-(3-benzylureido)-3-methoxypropanamide is an impurity of lacosamide (L098500), a medication used for the adjunctive treatment of partial-onset seizures and diabetic neuropathic pain. Lacosamide is a potent anticonvulsant.<br>References Lees, G., et al.: Brain Res., 612, 190 (1993), Kuo, C., et al.: Mol. Pharmacol., 51, 1077 (1997), Barton, M., et al.: Epilepsy Res., 47, 217 (2001), Beyreuther, B., et al.: Eur. J. Pharmacol., 539, 64 (2006), Beyreuther, B., et al.: CNS Drug Rev., 13, 21 (2007),<br></p>

<p>Applications A metabolite of Baclofen (c).<br>References Ault, B., et al.: Eur. J. Pharmacol., 71, 357 (1981),<br></p>