Amino Acids (AA)

<p>Applications L-Methionine-3,3,4,4-d4 (CAS# 67866-75-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications 6-Methoxy-N2-methylpyridine-2,3-diamine dihydrochloride (cas# 83732-72-3) is a useful research chemical.<br></p>

<p>Applications β-Alanine-13C3,15N is the isotope labeled analogue of β-Alanine (A637320), which is a naturally occurring beta amino acid. β-Alanine is formed in vivo by the degradation of Dihydro Uracil (D449990) and Carnosine. β-Alanine is also the rate-limiting precursor of Carnosine, as a result supplementation with β-Alanine increases the concentration of Carnosine in muscles.<br>References Derave, W. et al.: J. Appl. Physiol., 103, 1736 (2007); Xia, J.-F. et al.: J. Chrom. B Anal. Technol. Biomed. Life Sci., 977, 1930 (2009); Artioli, G.G. et al.: Med. Sci. Sports Exer.,42, 1162 (2010);<br></p>

<p>Applications 5-Methyl-5-phenylhydantoin is a reactant for synthesis of beta-amino alcohols as inhibitors of anti-tubercular target N-acetyltransferase, chlorohydantoins and specific MMP inhibitors.<br>References Fullam, E., et al.: Bioorg. Med. Chem. Lett., 21, 1185 (2011); Whitehead, D., et al.: Tetrahedron Lett., 50, 3 (2009); Chollet, A., et al.: Bioorg. Med. Chem., 10, 531 (2002)<br></p>

<p>Stability Hygroscopic<br>Applications A potential inhibitor of glutamate carboxypeptidase.<br>References Wolcott, T.G., et al.: Biochem. Biophys. Res. Commun., 57, 709 (1974), Knowles, P.F., et al.: Eur. J. Biochem., 114, 139 (1981),<br></p>

<p>Applications 2-Bromo-4-methylphenol is a useful synthetic intermediate. It was used in the synthesis of furan-2-ylmethylene thiazolidinediones as potent, and selective inhibitors of phosphoinositide 3-kinase γ. It was also a reactant used to prepare phosphoramidate and phosphorothioamidate analogs of amiprophos Me as potential antimalarial agents.<br>References Pomel, V., et al.: J. Med. Chem., 49, 3857 (2006); Mara, C., et al.: Bioorg. Med. Chem. Lett., 21, 6180 (2011)<br></p>

<p>Applications Labelled 1-Methyl-2-pyrrolidinone (M326120). It is a versatile industrial solvent. NMP is currently approved for use only in veterinary pharmaceuticals. The determination of the disposition and metabolism of NMP in the rat will contribute toward understanding the toxicology of this exogenous chemical which man may likely be exposed to in increasing amounts.<br>References Southwell, D., et al.: J. Pharm. Pharmacol., 33, 3 (1981), Barry, W., et al.: J. Invest. Dermatol., 82, 49 (1984),<br></p>

<p>Applications N-Methyldiethanolamine-13C,d3 Hydrochloride is isotopically labelled salt form of N-Methyldiethanolamine (M301625), which is used as a reagent in the synthesis of broad-spectrum antimicrobial polycarbonate hydrogels with fast degradability. It is also used as a reagent in the synthesis of dihydroxy quaternary ammonium salts with long chain alkyl bromides that can exhibit antibacterial and antifungal activity.<br>References Pascual, A., et al.: Biomacromolecules, 16, 1169 (2015); Liu, W., et al.: Chem. Biol. Drug Des., 85, 91 (2015);<br></p>

<p>Stability Light sensitive, Temperature Sensitive<br>Applications 3-Methyl-1,5-pentanediol Diacrylate is a useful chemical reagent.<br></p>

<p>Applications 4-Methoxy-d3-benzoic Acid (CAS# 27914-54-1) is a useful isotopically labeled research compound.<br></p>

<p>Applications D-Arginine is an unnatural isomer of L-Arginine (A769505), and is used to inhibit glutamate-induced nitric oxide production in rats. Derivatives of D-Arginine are used for pharmaceutical purposes, one example is 1-Deamino-8-D-arginine vasopressin, which is used to treat various bleeding disorders.<br>References Castellano, M., et al.: Neurosci. Lett., 314, 127 (2001); Kobrinsky, N., et al.: Lancet, 323, 1145 (1984); Weyrich, A., et al.: Circulation, 86, 279 (1992)<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-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 3-Methylbutyric-2,2-d2 Acid (CAS# 95927-02-9) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications Chlorobutanol is used as a preservative and sedative. It has also been shown to exhibit antibacterial properties.<br>References Dutta, T., et al.: PCT Int. Appl., 22, (2020); Ibibia, E., et al.: Asian. J. Pharm. Clin. Res., 9, 179-182 (2016)<br></p>

<p>Applications Caerulein is a ten amino acid oligopeptide that stimulates smooth muscle and increases digestive secretions. It is similar in action and composition to cholecystokinin. It stimulates gastric, biliary, and pancreatic secretion; and certain smooth muscle. It is used in paralytic ileus and as diagnostic aid in pancreatic malfunction. It is used to induce pancreatitis in experimental animal models.<br>References Anastasi,E., et al.: Ep., 23, 699 (1997); De Caro, G., et al.: Br. J. Pharmac Chemother., 33, 48 (1968)<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 Methyl 4-Methoxysalicylate, is an organic building block, used for the synthesis of (+)-coriandrone A and B, two bioactive natural products. It can also be used for the preparation of Dimethoxybenzofuran derivatives as potent and selective inhibitors of CYP2A6.<br>References Wang, W., et al.: Org. Biomol. Chem., 11, 6686 (2013); Yamaguchi, Y., et al.: Heterocycles, 87, 1727 (2013);<br></p>

<p>Applications 5-Methoxy-1-methylindole-2-boronic acid pinacol ester (cas# 1256360-41-4) is a useful research chemical.<br></p>

<p>Applications N-Acetyl-L-(-)-leucine is used in the preparation of small molecule inhibitors of anti-apoptotic Bcl-2 family proteins. Also used in the preparation of amphiphilic copolymers involving hydrophobic amino acid and oligopeptide side chains for optical tumor imaging in vivo.<br>References Zheng, C. et al.: Bioorg. Med. Chem. Lett., 22, 39 (2012); Miki, K. et al.: Bull. Chem. Soc. Jap., 85, 1277 (2012);<br></p>

<p>Applications N-Methyl-N-trimethylsilylacetamide, is a powerful silylating agent for polar compounds.<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 Melanie MacGregor-Ramiasa et. al; Acta biomaterialia, 56, undefined (2017-2-25)<br></p>

<p>Applications Perfluoro(4-methyl-3,6-dioxaoct-7-ene)sulfonyl Fluoride is used as a reagent in the synthesis of novel perfluorinated vinyl ether containing sulfonimide functionality which can be copolymered with tetrafluoroethylene to yield a novel perfluorinated copolymer.<br>References Zhu, S., et al.: Chinese J. Chem., 21, 921 (2003);<br></p>

<p>Applications DL-Proline is the racemic mixture of both L-Proline (P755995) and D-Proline (P755990).<br>References Bondarenko, L.B., et al.: Int. J. Peptides., 2, 1687 (2012); Rimer, T., et al.: Biomacromolecules, 13, 2110 (2012);<br></p>

<p>Applications Butyrylglycine 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 3-Methyl-2-furoic Acid-d is a deuterated version of 3-Methyl-2-furoic Acid (M219553), a useful reactant in the synthesis of therapeutic agents.<br>References Dragovich, Peter S., et al.: Bioorg. &amp; Med. Chem. Let., 24(3), 954-962 (2014);Garcia-Barrantes, Pedro M., et al.: J. of Med. Chem., 58(20), 7959-7971 (2015)<br></p>

<p>Impurity Levodopa EP Impurity A; Levodopa USP Related Compound A<br>Stability Hygroscopic<br>Applications 6-Hydroxy-L-DOPA (Levodopa EP Impurity A; Levodopa USP Related Compound A) is the 6-hydroxy derivative of the amino acid L-DOPA (D533751) with neurotoxic properties. Studies show that exogenously administered 6-Hydroxy-L-DOPA is biotransformed by amino acid decarboxylase to the highly potent and catecholamine-selective neurotoxin, 6-Hydroxydopamine. The treatment of 6-Hydroxy-L-DOPA in rats resulted in the stimulation of acetylcholinesterase.<br>References Jaim-Etcheverry, G. et al.: Brain Res., 100, 699 (1975); Kostrzewa, R.M. et al.: Amino Acids, 14, 175 (1998); Berthet, A. et al.: J. Neurosci., 29, 4829 (2009);<br></p>

<p>Applications L-Argininic Acid is a guanidino compound, of which accumulation in tissue can cause Hyperargininemia.<br>References Deignan, J., et al.: Mol. Gen. Metab., 93, 172 (2008); Balz, D., et al.: Intl. J. Develop. Neurosci., 21, 75 (2003); Wyse, A., et al.: Brain Res., 923, 50 (2001)<br></p>

<p>Applications 3-Chloro-2-methyl-1-propene has been used in the synthesis of 2-S-substituted pyrimidines as antimetabolites of nucleic acid precursors for cancer therapy.<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 Kaldrikyan, M.A., Melik-Ohanjanyan, R.G.: Hayastani Kimiakan Handes, 67, 321 (2014)<br></p>

<p>Applications 2-bromo-N-methoxy-N-methylbenzamide (cas# 899425-05-9) is a useful research chemical.<br></p>

<p>Applications (R)-D-Methioninol<br></p>

<p>Applications 3-Methoxycatechol is used to prepare polyphenolic deoxybenzoins as potential antioxidants and tyrosinase inhibitors.<br>References Ng, L., et al.: Bioorg. Med. Chem., 17, 4360 (2009)<br></p>