Amino Acids (AA)

<p>Stability Hygroscopic<br>Applications Trigonelline-d3 HCl is deuterium labelled Trigonelline HCl. Trigonelline HCl has utility in developing site-specific system that delivers drugs to the brain. It has also been suggested as a potential anti-Alzheimer disease agent.<br>References Bodor, N., et al.: J. Med. Chem 26, 313 (1983); Makowska, J., et al.: J. Chromatogr. B 968, 101 (2014)<br></p>

<p>Stability Hygroscopic<br>Applications Used in peptide N-terminal amino acid determination.<br>References Prota, G., et al.: Biochimie, 53, 51 (1971),<br></p>

<p>Applications DL-2-aminobutyric acid<br></p>

<p>Applications D-Glutamic acid 1-tert-butyl ester is a protected form of D-Glutamic acid (G596965). D-Glutamic acid is an unnatural isomer of L-Glutamic acid (G596960), and is found in bacterial cell wall peptidoglycan of gram-positive and gram-negative bacteria. D-Glutamic acid also occurs as poly-gamma-Glutamic acid, which is a weak immunogen but is capable of acting as a hapten (a small molecule that induces the production of antibodies, as well as binding to them).<br>References Dougherty, T., et al.: J. Bacteriol., 175, 111 (1993); Goodman, J. &amp; Nitecki, D.: Immunology, 13, 577 (1967); Robinson, T.: Life Sci., 19, 1097 (1976)<br></p>

<p>Applications N-Methyl-N-nitroso-ethenamine is used as research reagent for base induced fragmentation to give aldehydes or ketones and smaller alkylnitrosamine<br>References Leoppky, R.N., et al.: J Org. Chem, 23, 135(1982)<br></p>

<p>Applications 1,2,3-Trichloro-5-methylbenzene is useful in calculating 21 physical properties of organic compounds strictly from molecular structure.<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 Jain, N., et al.: J. Pharm. Sci., 88, 852-860 (1999)<br></p>

<p>Applications Suberylglycine is one of the acylglycines, an important class of metabolites that have been used in the diagnosis of several inborn errors of metabolism (IEM).<br>References Costa, C., et al.: J. Pharmaceut. Biomed. Anal., 21, 1215 (2000), Garcia-Villoria, J., et al.: Clin. Biochem., 42, 2 (2009), Scalbert, A., et al.: Metabolomics, 5, 435 (2009),<br></p>

<p>Applications Nα-Boc-L-histidine is an N-Boc-protected form of L-Histidine (H456010). L-Histidine is an essential amino acid that plays an important role in mitochondrial glutamine transport and has potential of abolishing oxidative stress caused by brain edema.L-Histidine promotes zinc uptake in human erythrocyes and also has potential as an antioxidant therapy for acute mammary inflammation in cattle.<br>References Chaiyotwittayakun, A., et al.: J. Dairy Sci., 85, 60 (2002); Horn, N., et al.: J. Phys., 489, 73 (1995); Rama Rao, K., et al.: Am. J. Path., 176, 1400 (2010);<br></p>

<p>Applications N'-tert-Butyl-3-methoxy-2-methylbenzohydrazide is an intermediate used in the synthesis of methoxyfenozide; an active ingredient for the commercial production of certain insecticidal and pesticidal formulations.<br>References Shao, J., et al.: Xiandai Nongyao, 2, 12, (2003), Mao, W. T., et al.: Chin. Chem. Lett., 23, 1233 (2012)<br></p>

<p>Applications 4-Hydroxymethyl-5-methylimidazole (cas# 29636-87-1) is a useful research chemical.<br></p>

<p>Applications 3-Methoxybenzene-1,2-Diamine (cas# 37466-89-0) is a useful research chemical.<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></p>

<p>Impurity Paliperidone USP Related Compound A<br>Applications 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone USP Related Compound A) is used in the synthesis of Paliperidone (P141000). Intermediate.<br>References Rein, A., et al.: Curr. Opin. Drug Discovery Dev., 3, 734 (2000),<br></p>

<p>Applications (2S,4R)-4-Hydroxy-L-glutamic Acid is a metabolite of Glutamic acid (G596960).<br>References Hampson, D., et al.: J. Biol. Chem., 274, 33488 (1999), Jensen, A., et al.: Eur. J. Pharmacol., 397, 247 (2000),<br></p>

<p>Applications 5-Hydroxy-N-methyl-2-pyrrolidinone is a metabolite of N-methylpyrrolidone (NMP).<br>References Payan, J., et al.: Drug Metab. Dispos., 30, 1418 (2002), Carnerup, M., et al.: Food Chem. Toxicol., 43, 1441 (2005), Angerer, J., et al.: Toxicol. Sci., 93, 3 (2006),<br></p>

<p>Applications D-Lysine Methyl Ester is a protected form of D-Lysine (L468930). 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 Labelled L-Citrulline. An amino acid, first isolated from the juice of watermelon, Citrullus vulgaris Schrad., Cucurbitaceae. Used in the treatment of asthenia.<br>References Kurtz, et al.: J. Biol. Chem., 122, 477 (1938), Rajantie, J., et al.: J. Pediatr., 97, 927 (1980), Carpenter, T.O., et al.: N. Engl. J. Med., 312, 290 (1985),<br></p>

<p>Applications Useful in the study of tyrosine-phosphorylation, which has been linked with the malignant transformation of cells by some RNA tumour viruses.<br>References Sefton, B.M., et al.: Cell, 20, 807 (1980), Erikson, R., et al.: Perspect. Virol., 11, 93 (1981), Lee, E-S, et al.: J. Org. Chem., 59, 2086 (1994)<br></p>

<p>Applications Carbamoyl-guanidine Amidino Urea Salt, Hydrochloride salt (cas# 926-72-7) is a compound useful in organic synthesis.<br></p>

<p>Applications Labeled Sucrose (S697000). Yuanzhen sugar is a polysaccharide polymer, containing a certain amount of fructooligosaccharides.<br>References Watanabe, T., et al.: Biosci. Biotech. Biochem., 72, 3167 (2008), You, Y., et al.: J. Agric. Food Chem., 57, 709 (2009),<br></p>

<p>Stability Hygroscopic<br>Applications Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. Cysteine is commonly used as a precursor in the food and pharmaceutical industries. Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.<br>References Hui, N. et al.: Meat Sci. Appl., 74 (2001); Kiviharju, K. et al.: J. Biotechnol., 117, 299 (2005); Pecivova, P. et al.: J. Sci. Food Agric., 90, 1681 (2010);<br></p>

<p>Applications 4-Methyl-6-(methylamino)-1,3,5-triazin-2(1H)-one is a heterocyclic Triazine based building block useful in organic synthesis. It is related to 2-Amino-4-methoxy-6-methyl-1,3,5-triazine (A616880), which is used to synthesize pesticides.<br>References Klein, J., et al.: J. AOAC Intrnational, 86, 1015 (2003); Pang, G., et al.: J. Chromat. A, 1125, 1 (2006);<br></p>

<p>Stability Hygroscopic<br>Applications β-Methylamino-L-alanine Hydrochloride is a useful intermediate in the synthesis of β-N-methylamino-L-alanine and other amino acid derivatives.<br>References Arevalo-Garcia, E. B., et al.: Tetrahedron Lett., 55, 2335 (2014); Sagiyan, A. S., et al.: Hayastani Kimiakan Handes, 61, 424 (2008); Sagiyan, A. S., et al.: Russ. Chem. Bull., 46, 483 (1997)<br></p>

<p>Stability Hygroscopic<br>Applications Oleoyl-L-carnitine is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Oleoyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); Ventura, F., et al.: Clinica Chimica Acta, 281, 1 (1999); Pourfarzam, M., et al.: Clinical Chem,, 40, 2267 (1994); Schaefer, J., et al.: Pediatric Res., 37, 354 (1995)<br></p>

<p>Applications Labelled L-Ornithine. A non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.<br>References Fattori, D. et al.: J. Med. Chem., 50, 550 (2007); Gomez-Alonso, S. et al.: J. Agric. Food Chem., 55, 608 (2007); Subramaniam, R. et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008);<br></p>

<p>Applications Intermediate for the preparation of Glimepiride.<br></p>

<p>Impurity Piroctone USP Related Compound B<br>Applications 4-Methyl-6-(2,4,4-trimethylpentyl)-2H-pyran-2-one is used in the synthesis of antibacterials and antimycotics. Related to Piroctone (P509400), an anti-dandruff agent used in shampoo formulations. Piroctone USP Related Compound B<br>References Georgalas, A. et al.: J. Cosm. Sci., 55, S207 (2004); Mayser, P. et al.: J. Cosm. Sci., 54, 263 (2008);<br></p>

<p>Applications N-(4-Cyanophenyl)-glycine (cas# 42288-26-6) is a compound useful in organic synthesis.<br></p>

<p>Applications Protected 1,2-Phenyldiamine, an intermediate in the synthesis of histone deacetylase agents and antitumor agents.<br>References Andrews, D., et al.: Bioorg. Med. Chem. Lett., 18, 2580 (2008), Mahboobi, S., et al.: J. Med. Chem., 52, 2265 (2009),<br></p>

<p>Applications 5-methoxypentanoic acid (cas# 70160-05-3) is a useful research chemical.<br></p>

<p>Applications 4-Aminobutyl-d8 Guanidine is the labelled analog of the decarboxylation product of the amino acid arginine (A769500) and also an intermediate in polyamine biosynthesis.<br>References Golding, B.T., et al.: Biochem. Soc. Trans., 22, 391S (1994);<br></p>

<p>Applications Tris(2-(2-methoxyethoxy)ethyl)amine (cas# 70384-51-9) is a useful research chemical.<br></p>

<p>Applications 2-Methoxy-4-nitroaniline is a derivative of 4-Nitroaniline (N491770), which is used in the synthesis of photorefractive polymers, as novel chromophores in analytical study. As well, due to the absorption spectrum associated with 4-Nitroaniline, it is used to determine catechol derivatives in syntheses.<br>References Nagaraja, P. et al.: J. Pharm. Biomed. Anal., 25, 417 (2001);<br></p>

<p>Applications The main labelled metabolite of o-xylene.<br>References Gregus, Z., et al.: Drug Metab. Dispos., 26, 1082 (1998), Gregus, Z., et al.: Xenobiotica, 29, 547 (1999), Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),<br></p>

<p>Applications 3,3’-Methylimino-di-propionitrile (cas# 1555-58-4) is a compound useful in organic synthesis.<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></p>

<p>Applications 3-(methyl-d3)-1H-Indole-2,4,5,6,7-d5 is the labeled analogue of 3-Methylindole (M313470), a naturally abundant pneumotoxin, found primarily in mammalian feces providing its strong fecal odor; however in lower concentrations the compound has a pleasent aroma, giving orange blossoms and jasmine their pleasing scent. It is often a component of commercial fragrances and perfumes.<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 Nakashima, T., et al.: Biol. Pharm. Bull., 32, 832 (2009), Xu, H., et al.: Chem. Pharm. Bull., 57, 321 (2009), Bodoor, K., et al.: J. Med. Chem., 52, 3753 (2009), Naskar, S., et al.: J. Chem. Res., 3, 174 (2009), Sollner, K., et al.: J. Agric. Food Chem., 57, 4319 (2009),<br></p>

<p>Applications L-Arginine-2,3,3,4,4,5,5-d7 HCl (CAS# 204244-77-9) is a useful isotopically labeled research compound. It can be used with Raman scattering for imaging living cells and organisms.<br>References Min, W., et al., PCT Int. Appl. (2014), WO 2014205074 A2<br></p>

<p>Applications Sorbicillin analog. A bioactive secondary metabolites from terrestrial Streptomyces species TN262.<br>References Ma, L. et al. : J. Anitibiot. 64, 645 (2011); Elleuch, L. et al.: Appl. Biochem. Biotech. 162, 579 (2010)<br></p>

<p>Applications E677525<br>References Shimizu, T., et al.: Chem. Pharm. Bull., 53, 313 (2005)<br></p>

<p>Applications 3-Methyl Salicylic Acid is a toxic compound, it’s toxicity is similar to salicylic acid. Reagent used in manufacturing and preparation of dyes.<br>References Egorova, T. V., et al.: Tekstil'naya Promyshlennost , 3, 48 (1987); Keshavarz, M. H., et al.: J. Hazard. Mater., 237, 79 (2012)<br></p>

<p>Impurity Cefoperazone EP Impurity C<br>Applications N-Methyl-5-tetrazolethiol (Cefoperazone EP Impurity C) is an impurity of Cefoperazone.<br>References Kitson, T., et al.: Biochem. J., 175, 83 (1978), Elenbaas, R., et al.: Clin. Pharmacol. Ther., 32, 347(1982),<br></p>

<p>Applications 5-Amino-6-methylbenzimidazolone<br></p>

<p>Applications 3-METHYL-4-(TRIFLUOROMETHYL)ANILINE (cas# 106877-31-0) is a useful research chemical.<br></p>

<p>Applications N-[(Benzyloxy)carbonyl]glycylglycine is a reagent in the synthesis of Glycylglycyl-L-tyrosine (G718500), which is a fungal tyrosinases and their capability to oxidize peptide-bound tyrosine residues is important in a view of applicability of tyrosinases.<br>References Bowness, J., et al.: Biochem. J., 53, 620 (1953), Cuff, M., et al.: J. Mol. Biol., 278, 855 (1998), Kubo, I., et al.: Bioorg. Med. Chem., 12, 5349 (2004),<br></p>

<p>Applications 6-Methylmercaptopurine Riboside (cas# 342-69-8) is a compound useful in organic synthesis.<br></p>

<p>Applications L-Asparagine-d3 Hydrate is an isotope labelled L-Asparagine Hydrate, a naturally occurring amino acid that is not a essential for humans and can be synthesized from central metabolic pathway intermediates.<br>References Burda, P., et al.: Biochim. Biophys. Acta., 1426, 239 (1999); Yamane, H., et al.: Animal. Sci. J., 80, 286 (2009);<br></p>

<p>Applications N-Methyltaurine can be used as a counter ion in the formation of soaps.<br>References Miyahara, Reiji, et al.: J. of Oleo Sci., 50(10), 823-830 (2001)<br></p>

<p>Stability Hygroscopic<br>Applications L-Ornithine is a non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.<br>References Fattori, D., et al.: J. Med. Chem., 50, 550 (2007), Gomez-Alonso, S., et al.: J. Agric. Food Chem., 55, 608 (2007), Subramaniam, R., et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008),<br></p>

<p>Applications 1-BOC-2,3-Dihydropyrrole-4-boronic acid, pinacol ester is a useful research chemical for organic synthesis and other chemical processes.<br>References Lewis, R. T., et al.: From PCT Int. Appl. (2017), WO 2017004359 A1 20170105<br></p>

<p>Applications: Isotope labelled analogue of 2-Methoxyacetic Acid, a synthetic intermediate in the synthesis of dimethyl(alkyloxy)[(methylsulfonyl)phenyl]furanones as COX-2 inhibitors.<br>Dangerous Goods Info: 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 Leblanc, Y., et al.: Bioorg. Med. Chem. Lett., 9, 2207 (1999);<br></p>

<p>Applications Calcium D-gluconate monohydrate (cas# 66905-23-5) is a useful research chemical.<br></p>

<p>Applications Boc-(S)-3-Amino-4-(2,4,5-trifluorophenyl)butyric Acid is a reactant used in the preparation of peptidase IV inhibitors.<br>References Park, W. et al.: Bioorg. Med. Chem. Lett., 21, 1366 (2011);<br></p>

<p>Applications 2-Methoxytetrahydrofuran is a reactant in the preparation of ruthenium(III) chloro benzimidazolylmethylamine derivative complexes as oxidation catalysts.<br>References Murali, M., et. al.: Eur. J. Inorg. Chem., 22, 3238 (2009)<br></p>

<p>Applications (4S)-4-Hydroxy-L-isoleucine is 4S isomer of 4-Hydroxyisoleucine, which is used as a treatment for type II diabetes.<br>References Martinez-Force, E., et al.: Biotechnol. Tech., 5, 209 (1991); Sauvaire, Y., et al.: Diabetes, 47, 206 (1998), Narender, T., et al.: Bioorg. Med. Chem. Lett., 2006, 16, 293 (2006);<br></p>

<p>Applications N-Acetyl-S-(2,5-dimethylbenzene)-L-cysteine-d3 (cas# 1331909-07-9) is a compound useful in organic synthesis.<br>References Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),<br></p>

<p>Applications 2-Amino-5-chloro-3-methylbenzoic Acid is a useful research chemical for the preparation of benzoyl urea containing anthranillic acid groups with insecticidal activity.<br>References Peng, Y., et al.: Nongyao, 48, 326 (2009);<br></p>

<p>066621 - 5-Amino-4-oxopentanoic acid hydrochloride</p>

<p>Applications 8-Chloro-4-hydroxy-2-methylquinoline (cas# 5236-87-3) is a useful research chemical.<br></p>

<p>Applications 2-Methylnaphth[1,2-d]oxazole (cas# 85-15-4) is a useful research chemical.<br></p>

<p>Applications Benzamide, 2,2'-dithiobis[N-methyl- (cas# 2527-58-4) is a useful research chemical.<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></p>

<p>Applications Guaiacol-beta-D-glucopyranoside, is a Guaiacol Conjugate, that has shown to present in fermentation of grapes that had been exposed to bushfire smoke and can potentially yield unpalatable, smoke-affected wine.<br>References Hayasaka, Y.m et al.: J. Arg. Food Chem., Vol. 58, Issue 4, P: 2076; 2081 (2010);<br></p>

<p>Applications Used in the synthesis of DMPO-type spin traps.<br>References Konaka, R., et al.: Free Radical Res., 23, 15 (1995),<br></p>

<p>Applications L-Lysine L-Malate is used in the preparation of amino acid ionic liquids for use in food and medical field.<br></p>

<p>Applications D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on β-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces.<br>References Li, Ji. et al.: Chin. Chem. Lett., 23, 647 (2012); Xu, H. et al.: Water Res., 45, 5796 (2011); Ke, W. et al.: Antimicrob. Agents Chemother., 55, 174 (2011);<br></p>