Aminoacids and derivatives

<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>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 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 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 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 4-(4-Chlorophenyl)-2,6-piperidinedione (cas# 84803-46-3) is a compound useful in organic synthesis.<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>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 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 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 N-Glycylglycine is a derivative of Glycine (G615990), a non-essential amino acid that enhances N-methyl-D-aspartate (NMDA) receptor mediated synaptic potentials in the neocortex of rats. Glycine is also being used as adjuvant therapy for the treatment of schizophrenia.<br>References Logan, W. &amp; Snyder, S.: Brain Res., 42, 413 (1972); Rosse, R., et al.: Clin. Neuropharmacol., 12, 416 (1989)<br></p>

<p>Applications L-Serine is used in the synthesis of purines and pyrimidines as antibacterial/antifungal agents, as well as acting as a proteinogenic compound.<br>References Olivella, M. et al.: Bioorg. Med. Chem., 20, 6109 (2012);<br></p>

<p>Applications Labelled Dihydrochloride salt of N1-Acetylspermidine which is an analog of Spermidine (S680400), an antineoplastic.<br>References Bergeron, R. et al.: J. Med. Chem, 40, 1475 (1997);<br></p>

<p>Stability Hygroscopic<br>Applications L-Saccharopine is a product of breakdown of essential amino acid Lysine (L468895). Saccharopine is also part of the α-aminoadipate pathway of fungal lysine biosynthesis.<br>References Higashino, K., et al.: Biochem. Biophys. Res. Commun., 20, 285 (1965); Johansson, E., et al.: Structure, 8, 1037 (2000)<br></p>

<p>Stability Hygroscopic, moisture sensitive<br>Applications Stearoyl L-α-Lysolecithin is an bioactive lysophosphatidylcholine derived compound found to be released by bronchial epithelial cells. Stearoyl L-α-Lysolecithin have also been utilized in the development of liposomes and michelles by drug transdermal delivery devices.<br>References Zhuge, Y., et al.: Allergy Asthma Immunol Res., 6, 66 (2014)<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>

<p>Impurity L-5-Hydroxytryptophan(Tryptophan EP Impurity D)<br>Applications 5-Hydroxy-L-Tryptophan (L-5-Hydroxytryptophan(Tryptophan EP Impurity D)) is a hydroxylated metabolite of L-Tryptophan (T947210).<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 4-amino-3-phenylbutanoic acid (cas# 1078-21-3) is a GABAA receptor agonist, used for treatment of disorders influenced by dysfunction of pancreatic β cells and also used in combination with other agents.<br>References Birnir, B., et al.: PCT Int. Appl. 56pp. (2019)<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 S-Enantiomer of Baclofen. 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>Stability Hygroscopic<br>Applications A metabolite of Melatonin (M215000).<br>References Reiter, R.J., et al.: J. Biomed. Sci., 7, 444 (2000), Chen, Z., et al.: Am. J. Physiol, 284, 1618 (2003), Barrenetxe, J., et al.: J. Physiol. Biochem., 60, 61 (2004),<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 Labelled DL-Serine is used in the synthesis of novel tryptoline derivatives as IDO (indoleamine 2,3-Deoxygenase) inhibitors, for potential use in Alzheimer’s treatment.<br>References Tanaka, M. et al.: Bioorg. Med. Chem., 21, 1159 (2013);<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>