Amino Acids (AA)

<p>Applications Labelled Isoferulic Acid 3-O-β-D-Glucuronide, the glucuronide conjugate of Isoferulic Acid (H946180). Isoferulic Acid 3-O-β-D-Glucuronide is one of the circulating metabolites in human plasma after coffee consumption.<br>References Fumeaux, R. et al.: Org. Biomol. Chem., 8, 5199 (2010); Redeuil, K. et al.: J. Chrom. A, 1218, 4678 (2011);<br></p>

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

<p>Applications N-Acetylglycine-d5 is an isotopic analog of N-Acetyl-glycine (A178260), a derivative of Glycine (G615990). It is an intermediate used to synthesize rac 3-O-Methyl DOPA (M303805) which is an impurity of Levodopa.<br>References Tabar, et al.: Pharmacol. Biochem. Behav., 33, 139 (1989), De Souza Silva, et al.: J. Neurochem., 68, 233 (1997), Feigin, A., et al.: Neurology, 57, 2083 (2001), Perera, A., et al.: J. Labelled Comp. Radiopharm., 46, 389 (2003),<br></p>

<p>Applications 4-Chloromethyl-5-methyl-1,3-dioxol-2-one is an important reagent in the preparation of angiotensin II receptor antagonist such as Olmesratan Medoxomil (O550000). 4-Chloromethyl-5-methyl-1,3-dioxol-2-one is also used in the preparation of prodrugs of ampicillin.<br>References Ikeda, S. et al.: Chem. Pharmac. Bull., 32, 4316 (1984); Wu, T. Yaox. Xueb., 41, 537 (2006);<br></p>

<p>Stability Light Sensitive, Volatile<br>Applications Labelled 2-Methylfuran (M305440). 2-Methylfuran is a volatile organic compound (VOCs) used as a potential non-intrusive tool for screening of lung cancer.<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 McWilliams, et al.: Curr. Oncol. Rep., 4, 487 (2002), Buszewski, B., et al.: Biomed. Chromatogr., 21, 553 (2007), Ligor, T., et al.: J. Breath. Res., 1, 1 (2007),<br></p>

<p>Applications 2-Methyl-5-nitrobenzenesulfonamide is a chemical reagent in the synthesis of good inhibitors of cancer-related carbonic anhydrase. Also used in the synthesis of novel deacetylase inhibitors used in anti-tumor therapy.<br>References Moeker, J. et al.: J. Med. Chem., 57, 3522 (2014); Han, L. et al.: Bioorg. Med. Chem., 22, 1529 (2014);<br></p>

<p>Impurity Iohexol EP Impurity K<br>Applications 5-Amino-2,4,6-triiodoisophthalic Acid (Iohexol EP Impurity K) is an intermediate for nonionic iodinated X-ray contrast agents.<br></p>

<p>Applications 6-Chloro-2-methoxy-7-deazapurine (cas# 90057-08-2) is a compound useful in organic synthesis.<br></p>

<p>Applications Valeric Acid Sodium Salt (cas# 6106-41-8) is a compound useful in organic synthesis.<br></p>

<p>Applications Labelled analogue of L-Phenylalanine, an essential amino acid.<br>References Hollunger, G. et al.: Acta Pharmacol. Toxicol., 34, 391 (1974); Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1977);<br></p>

<p>Applications N-Cinnamylglycine is a derivative of ferulic acid (F308900), a widely distributed compound in plants that is used as an antioxidant and food preservative.<br>References Jellum,E., et al.: J. Pharma. Biomed. Anal., 9, 663 (1991); Kayahara, H., et al.: Anticancer. Res., 19, 3763 (1999); Bollina, V., et al.: Plant. Molec. Biol., 77, 355 (2011);<br></p>

<p>Applications L-Glutamic Acid-d5 is an non-essential amino acid. Its salt form (glutamate) is an important neurotransmitter that plays a key role in long-term potentiation and is important for learning and memory. It is also a key molecule in cellular metabolism.<br>References McEntee, W., et al.: Psychopharmacology, 111, 391 (1993), Manev, H., et al.: Mol. Pharmacol., 36, 106 (1989)<br></p>

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

<p>Applications 4-Chloro-2-methoxyphenol is used as a reagent in the synthesis of novel potent and selective sphingosine-1-phosphate 4 receptor (S1P4-R) agonists which may be used in development of treatment against autoimmue diseases and viral infections. Also used in the synthesis of novel inhibtors of P. falciparum enoyl-ACP-reductase which may be used in treatment of malaria.<br>References Guerrero, M., et al.: Bioorg. Med. Chem. Lett., 22, 537 (2012); Belluti, F., et al.: J. Med. Chem., 56, 7516 (2013);<br></p>

<p>Applications 2-Bromo-3-methylbutenoic Acid Methyl Ester (cas# 51263-40-2) is a compound useful in organic synthesis.<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 N-(Carboxymethyl)-N-[2-[(carboxymethyl)amino]ethyl]-glycine Calcium Salt Hydrate is an intermediate used to prepare copper alkylenediaminetriacetic acid complexes.<br>References Matovic, Z., et al.: Inorganica Chimica Acta, 360, 2420 (2007)<br></p>

<p>Applications D-Aspartic Acid Dimethyl Ester Hydrochloride is a useful synthetic intermediate in the synthesis of MK-7246 (M425045); a potent and selective CRTH2 antagonist for the treatment of respiratory diseases.<br>References Molinaro, C., et al.: J. Org. Chem., 77, 2299 (2012); Gervais, F.G., et al.: Mol. Pharmacol., 79, 69 (2011); Gallant, M, et al.: Bioorg. Med. Chem. Lett., 21, 288 (2011)<br></p>

<p>Applications Thiodiglycolic Acid-d4 acts as a reagent for the synthesis of metabolites of S-carboxymethyl-L-cysteine and S-methyl-L-Cysteine and of some isotoically labelled (2H, 13C) analogs.<br>References Meese, C. O., et al.: Archiv der Pharmazie, 323, 957 (1990)<br></p>

<p>Applications N-Epsilon-acetyl-l-lysine is used in the metabolomics study on the combined effect of cocaine and ethanol via liquid chromatography-mass spectrometry metabolomics approach.<br>References Sanchez-Lopez, E., et al.: J. Pharm. Biomed. Anal., 140, 313 (2017)<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>Stability Hygroscopic<br>Applications Pantothenic Acid is a member of the B complex vitamins; essential vitamin for the biosynthesis of coenzyme A in mammalian cells. Occurs ubiquitously in all animal and plant tissue. The richest common source is liver, but jelly of the queen bee contains 6 times as much as liver. Rice bran and molasses are other good sources.<br>References Gardner, P., et al.: Food Chem., 68, 471 (2000); Ou, B., et al.: J. Agric. Food Chem., 50, 2772 (2002); Bahorun, T., et al.: J. Sci. Food Agric., 84, 1553 (2004)<br></p>

<p>Applications 1,2-Bismethylphenidate is an impurity of methylphenidate (M325880), an CNS stimulant.<br>References Greenblatt, E.N., et al.: J. Pharmacol. Exp. Ther., 131, 115 (1961), Padmanabhan, G.R., Anal. Profiles Drug Subs., 10, 473 (1981), Srinivas, N.R., et al.: Pharm. Res., 10, 14 (1993),<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 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 N-Benzyloxycarbonyl L-Threonine Amide O-Methanesulfonate (cas# 80082-51-5) is a compound useful in organic synthesis.<br></p>

<p>Applications (2R,3S,4S,5R,6S)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol is an enantiomer of dapagliflozin(D185370), which is a sodium-glucose transporter 2 inhibitor.<br>References Kasichayanula, S. et al.: Diabetes, Obesity and Metabolism 13, 47 (2011)<br></p>

<p>Applications An endogenous antidiuretic hormone in most mammalian species. It is released into the blood from nerve terminals in the posterior pituitary and median eminence. It is a neurotransmitter in the central nervous system and also implicated in a variety of physiological processes such as regulating water balance by antidiuretic action. It is a peptidic V1a receptor agonist that produces vasoconstriction via V1aR-mediated vascular smooth muscle cell contraction and is being used to increase blood pressure in septic shock, a form of vasodilatory hypotension.<br>References Perucca, J. et al.: J. AM. Soc. Nephrol., 19, 1721 (2008); Toba, K. et al.: Prog. Brain Res., 119, 337 (1998); Berrada, K. et al.: J. Biol. Chem., 275, 27229 (2000);<br></p>

<p>Stability Hygroscopic<br>Applications 2,2-Diselanediyldiethanamine dihydrochloride (cas# 3542-13-0) is a useful research chemical.<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 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>Stability Very Hygroscopic<br>Applications Hydroxyisovaleroyl Carnitine is used as a diagnostic tool to identify the presence of orofacial clefts. Also used in the screening and diagnostics of inborn errors of metabolism.<br>References Denes, J. et al.: Anal. Chem., 84, 10113 (2012); Budner, M. et al.: Arch. Oral. Biol., 58, 459 (2013);<br></p>