Aminoacids and derivatives

<p>Applications A labelled imidazole, a versatile heterocycle used in the preparation of various biologically active compounds such as the amino acid histidine and is present in many antifungal medication. It is also used extensively as a corrosion inhibitor on transition metals such as copper.<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 Arispe, N. et al.: Biophys. J., 95, 4879 (2008); Troesken, E.R. et al.: Endo. Res., 30, 387 (2004); Otmacic Curkovic, H. et al.: Corr. Sci., 51, 2342 (2009);<br></p>

<p>Applications N-Methyl-N-nitroso-1-octadecylamine was found to present in various hair-care products when investigated through thermal energy analyzer.<br>References Morrison, J.B., et al.: Food. Chem. Toxicol., 21, 69 (1983); Rainey, W.T., et al.: Biomed. Mass. Spec., 5, 395 (1978);<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 3,4-Dihydroxybenzaldehyde (cas# 139-85-5) is a compound useful in organic synthesis.<br></p>

<p>Applications Glycine-15N is the labelled form of Glycine (G615990). Glycine is 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>Stability Hygroscopic<br>Applications R-(+)-Carbidopa is an inhibitor of DOPA decarboxylase, which plays a significant role in the prevention of the conversion of L-DOPA (D533751) to dopamine (D533780). Studies has also indicated the inhibitory effects of towards L-DOPA in human liver prepns and as well as 5-hydroxytryptophan (H975700).<br>References Vogel, W.H. et al.: Arch. Int. Pharmacodyn. Ther. 198, 85 (1972);<br></p>

<p>Applications Indole-3-pyruvic Acid is a compound involved in the biosynthesis of Indole-3-acetic acid, a plant hormone which plays important roles in regulating growth and responses to environmental changes.<br>References Kong, W., et al.: Plant Cell Physiol, 56, 715-726 (2015)<br></p>

<p>Applications Amino acid derivative that may be used to prepare the corresponding amino acid amide L-Tryptophanamide Hydrochloride (Cat. #T89550).<br>References Smith, E.L., et al.: J. Biol. Chem., 180, 1209 (1949),<br></p>

<p>Applications 5-Aminolevulinic Acid Hydrochloride (cas# CAS:5451-09-2) is a useful research chemical.<br></p>

<p>Applications H-GAMMA-GLU-GLU-OH (cas# 1116-22-9) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications Carbocisteine Lactam is an impurity of the mucolytic agent Carbocisteine (C178760).<br>References Anonymous., et al.: Biochem. J., 219, 345 (1984); Sanger, F., et al.: Biochem. J., 59, 509 (1955); Hekman, C., et al.: J. Pharm. Biomed. Anal., 20, 763 (1999);<br></p>

<p>Applications A labelled metabolite of Tryptophan.<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 Gartside, S., et al.: Eur. J. Pharmacol., 179, 103 (1990), Gijsman, H., et al.: J. Clin. Psychopharmacol., 22, 183 (2002), Schruers, K., et al.: Psychiatry Res., 113, 237 (2002),<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 Glycyl-glycyl-glycine is used as a model peptide for studies of physicochemical parameters and molecular associations of small peptides. It is also used as a copper chelator.<br></p>

<p>Applications Labelled Tranexamic Acid (T714505). Antifibrinolytic agent; blocks lysine binding sites of plasminogen. Hemostatic.<br>References Andersson, et al.: Scand. J. Haematol. 2, 230 (1965), Melander, B., et al.: Acta Pharmacol. Toxicol., 22, 340 (1965), Bonnar, J., et al.: Br. Med. J., 313, 579 (1996), Dunn, C.J., et al.: Drugs, 57, 1005 (1999),<br></p>

<p>Applications (R)-Baclofen is the R-Enantiomer of Baclofen, a specific GABA-B receptor agonist and a muscle relaxant (1,2).<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 (1) Brogden, R.N., et al.: Drugs, 8,1 (1974) (2) Song, Y., et al.: Endocrinology. en.2016-1776 (2017)<br></p>