Amino Acids (AA)

<p>Applications 2-Methoxy-3-methylaniline is an important building block.<br></p>

<p>Applications Boc-His(Trt)-OH was used in the study to prepare and study structure-activity relationship of amino acid amides as selective inhibitors for dipeptidyl peptidases.<br>References Senten, K., et al.: J. Med. Chem., 46, 5005 (2003);<br></p>

<p>Applications Labelled analogue of 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-Serine-13C3 is the isotope labelled analog of L-Serine (S270995); a compound 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 Cucumopine is used in biological studies to evaluate Agrobacterium rhizogenes cucumopine strain T-DNA ORF8 and its effects on transgenic tobacco root cultures.<br>References Bonfill, M., et al.: Curr. Top. Plant Biol., 3, 223 (2002);<br></p>

<p>Applications 7-Methoxy-1-naphthaleneacetamide, can be used for the synthesis of the analogs of Melatonin (M215000), containing naphthalene moiety instead of indole nucleus, having high affinity for the melatonin receptor. Agomelatine Impurity 6<br>References Tang, J. D., et al.: Org. Prep. Proc. Int., 41, 164 (2009); Sndrieux Y. J., et al.: J. Med. Chem., 35, 1484 (1992);<br></p>

<p>Applications β-Hydroxyisobutanol is used as a reagent in the synthesis of pyrazolo[1,5-a]pyridinecarbonyl-substituted spirocyclic piperidine ketals as inhibitors of HCV protein NS4B and of hepatitis C viral replication and their lack of cytotoxicity in human cells.<br>References Tai, V.W.-F., et al.: Bioorg. Med. Chem. Lett., 24, 2288 (2014);<br></p>

<p>Applications (1-Methyl-1H-imidazol-2-yl)-acetic acid (cas# 118054-54-9) is a useful research chemical.<br></p>

<p>Applications Glycyl-L-tyrosine<br></p>

<p>Applications 2-Methyl-5-nitrophenol is used as a reactant in the preparation of pyranocarbazole alkaloids.<br>References Zang, Yingda, et al.: Euro. J. of Med. Chem., 143, 438-448 (2018)<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>Stability Very Hygroscopic<br>Applications 6-N-Trimethyl L-Lysine-d9, is the labeled analogue of Nε,Nε,Nε-Trimethyllysine, a metabolite and cofactor on the metabolic pathways.<br>References Rebouche C.J., et. al, J. Nutrition, 116(5), 751-759 (1986); Vaz, F.M et. al, J. Bio. Chem., 276(36), 33512-33517 (2001);<br></p>

<p>Applications 1-Methoxy-4-(1E)-1-propen-1-ylbenzene is a component of essential oils extracted from natural sources. It is also a possible inhibitor of protein kinase CK2α and CK2α’.<br>References Liang, Zhi-yuan, et al.: Shizhen Guoyi Guoyao, 25(7), 1602-1604 (2014);Benelli, Giovanni, et al.: Indus. Crops and Prod., 124, 236-243 (2018);Baier, Andrea, et al.: Phytochem., 136, 39-45 (2017)<br></p>

<p>Applications 5-Aminolevulinic Acid Methyl Ester Hydrochloride, is the methyl ester of Aminolevulinic Acid (ALA) (A611780), which has been shown to have higher lipophilicity, and to be highly efficient at inducing protoporphyrin IX (PpIX) production in cell culture.<br>References Morrow, D. I. J., et al.: J. Pharmac. Sci., 99, 3486 (2010); Peng, Q., et al.: Cancer, 79, 2282 (1997);<br></p>

<p>Applications L-alloisoleucine is a stereo-isomer of L-isoleucine (I820175) and is produced as a byproduct of isoleucine via transamination.  L-allo-isoleucine has been suggested to induce epithelial β-defensin expression. In addition, L-allo-isoleucine is utilized in the biosynthesis pathway for coronamic acid.<br>References Fehlbaum, P., et al.: Proc. Natl. Acad. Sci. USA 97, 12723 (2000); Parry, R. J., et al.: J. Am. Chem. Soc. 113, 1849 (1991)<br></p>

<p>Applications 4-(1-Methylethyl)benzoic Acid is used in the synthesis of quinuclidine benzamides as agonists for nicotinic acetylcholine receptors. Also used in the synthesis of nifuroxazide analogues showing antimicrobial activity against methicillin-resistant Staphylococcus.<br>References Bodnar, A. et al.: J. Med. Chem., 48, 905 (2005); Masunari, A. et al.: Bioorg. Med. Chem. Lett., 15, 4229 (2007);<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 Air Sensitive<br>Applications L-Homocysteine is the hydrolysis product of adenosine (A280400), a purine nucleoside. Metabolic fate of L-Homocysteine is converted back to L-Methionine( M260440) via tetrahydrofolate.<br>References Liu, X.D., et al.: Org. BIomolec. Chem., 11, 4258 (2013); Chen, C.S., et al.: Nueroendocrinol., 97, 232 (2013);<br></p>

<p>Applications Butyl 4-methylbenzenesulfonate (cas# 778-28-9) is a useful research chemical.<br></p>

<p>Applications Isotope labelled 2-Chloro-2-methylpropane is a starting molecule to carry out nucleophilic substitution reactions.<br>References Eyet, N., et al.: J. Phy. Chem. A., 117, 1136 (2013); Eyet, N., et al.: J. Am. Mass. Spec., 18, 1046 (2007);<br></p>

<p>Stability Light Sensitive<br>Applications α-Methacrylic acid is used in chemistry as a stabilizing agent, forming a thin capping layer on the surface of nanoparticles. α-Methacrylic acid is also used as a surfactant, so that control is maintained during nanocrystal growth. α-Methacrylic acid is also used as a chelating agent.<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 Peng, W., et al.: J. Cryst. Growth, 279, 454 (2005); Qu, S., et al.: Appl. Phys. Lett., 80, 3605 (2002); Zhao, G., et al.: Phys. C: Supercond., 468, 2317 (2008)<br></p>

<p>Applications 3-(2-Methoxy-5-methylphenyl)-3-phenyl-propanoic Acid (cas# 109089-77-2) is a compound useful in organic synthesis.<br></p>

<p>Applications (R)-N-(1-Carboxyethyl)-D-norvaline 1-Ethyl Ester is an intermediate in the synthesis of Perindoprilat (P287530), an angiotensin-converting enzyme (ACE) inhibitor. Antihypertensive.<br>References Pascard, C., et al.: J. Med. Chem., 34, 663 (1991)<br></p>

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

<p>Applications 3-Bromo-L-tyrosine is used in the preparation and synthesis of polyclonal antibodies that work against brominated protein related allergic responses and afflictions. Also effective in asthma control and prediction in children.<br>References Kambayashi, Y. et al.: J. Clin. Biochem., 44, 95 (2009); Wedes, S. et al.: J. Ped., 159, 248 (2011);<br></p>

<p>Applications D,L-β-Chloroalanine Methyl Ester Hydrochloride (cas# 33646-31-0) is a compound useful in organic synthesis.<br></p>

<p>Applications 5-Oxo-DL-proline-d5 is a labelled cyclized derivative of L-Glutamic Acid (G596960). The pyroglutamate core has potential application for synthesis of novel anti-bacterials.<br>References Mischo A. et al.: ChemBioChem., 13, 1421 (2012); Angelov P. et al.: Org. Biomol. Chem.: 10, 3472 (2012);<br></p>

<p>Applications N-Pivaloylglycine is used in the biological study between dogs and rats. In a high dose toxicity study of pivalic acid (PA), PA caused skeletal muscle disorder in dog, and a significant increase of pivaloyl carnitine (PC) was observed in canine muscle, but not in rat muscle.<br>References Yamaguchi, T., et al.: Toxicol. Appl. Pharmacol., 214, 61-68 (2006)<br></p>

<p>Applications 2-Deoxy-2-chloro-D-glucose is a D-Glucose (G595000) derivative used in the synthesis of sugar nucleotides and oligosaccharides.<br>References Herr, D., et al.: Euro. J. App. Microbiol., 1, 41 (1975);<br></p>

<p>Applications Intermediate in the preparation of 2,3-Desisopropylidene Topiramate, a metabolite of Topiramate<br></p>

<p>Applications D,L-o-Tyrosine is a metabolite of Phenylalanine (P319415). A precursor in the formation of catecholamines. Used as biomarkers of protein oxidative damage in β-thalassemia.<br>References Tsugita, A., et al.: Eur. J. Biochem., 124, 585 (1982), Nielsen, F., et al.: Clin. Chem., 43, 1209 (1997), Mates, J., et al.: Clin. Biochem., 32, 595 (1999),<br></p>

<p>Applications N-Boc-L-proline is a useful synthetic intermediate. It is used to synthesize Daclatasvir (D101500) which nhibits the HCV protein NS5A. Daclatasvir (D101500) can be used as a drug candidate for the treatment of hepatitis C (HCV).<br>References Gao, M., et al.: Nature, 465(7294), 96 (2010); Bell, T. W., Chem. Med. Chem., 5(10), 1663 (2010);<br></p>

<p>Applications 4-Chloro-3-methylaniline (cas# 7149-75-9) is a compound useful in organic synthesis.<br></p>

<p>Applications An acylglycine present in urniary excretion that can be analyzed and be used as diagnostic tool for metabolic disorders, complementary to organic acids and acylcarnitine profiles.<br>References Bonafe, L. et al.: Mol. Genetics Metab., 69, 302 (2000);<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite of Acrylonitrile (ACN).<br>References Guengerich, F., et al.: Cancer Res., 41, 4925 (1981), Leonard, A., et al.: Mutation Res., 436, 263 (1999), Stadler, R., et al.: J. Agric. Food Chem., 52, 5550 (2004), Dybing, E., et al.: Food Chem. Toxicol., 43, 365 (2005), Rice, J., et al.: Mutation Res., 580, 3 (2005),<br></p>

<p>Stability Temperature Sensitive<br>Applications Precursor of Diazomethane. It has a cytotoxicity effect.This product contains an undetermined amount of water.<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 Huggins, C., et al.: J. Exp. Med., 131, 321 (1970), Gullino, P.M., et al.: J. Natl. Cancer Inst., 54, 401 (1975),<br></p>

<p>Applications 4-METHOXYPHENYLACETAMIDE (cas# 6343-93-7) is a useful research chemical.<br></p>

<p>Applications 2-Amino-6-methylpyrimidin-4(3H)-one (cas# 3977-29-5) is a useful research chemical.<br></p>

<p>Applications 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine is a reagent in the synthesis and structure-activity relationship studies of highly potent novel benzoxazinyl-oxazolidinone which is an antibacterial agent. Benzoxazinyl-oxazolidinone had potent activity against Gram-positive pathogens. 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine is also an intermediate in the synthesis of Tedizolid (T013750).<br>References Xin, Q., et al.: J. Med. Chem., 54, 7493 (2011)<br></p>

<p>Applications N-PHENYL-4-METHOXYBENZYLAMINE (cas# 3526-43-0) is a useful research chemical.<br></p>

<p>Applications 2-Methylalanine is an Alanine (A481400) derivative. Alanine is an amino acid that occurs naturally in nature. It is a functional component in the alanine cycle which regulates the level of alanine aminotransferases which can be used as a diagnostic tool to predict type II diabetes.<br>References Naveed S. et al.: Diab., 53, 11 (2004); Barlind, J. et al.: Bioorg. Med. Chem. Lett., 23, 2721 (2013);<br></p>

<p>Applications 3-[4-(2-methoxyphenyl)piperazin-1-yl]propan-1-amine (cas# 20529-23-1) is a useful research chemical.<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 A major metabolite of non-essential amino acid L-Cysteine.<br>References Parsons, R.B. et al.: Neurotoxicol., 19, 599 (1998);<br></p>

<p>Applications 4-Methyl-1-[3-nitro-5-(trifluoromethyl)phenyl]-1H-imidazole, is a 4-methyl-1H-imidazole (4-MEI) derivative.<br></p>

<p>Applications Ac-lys(ac)-oh was used in the reaction of HOCl with amino acids and peptides with ESR evidence for rapid rearrangement and fragmentation reactions of nitrogen-centered radicals.<br>References Hawkins, C., et al.: J. Chem. Soc. Perkin Trans. 2, 9, 1937 (1998);<br></p>

<p>Applications 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 Ethametsulfuron-methyl Sodium Salt, a regulator of the early steps of complement activation on mucosal surfaces. It can be used in combination treatment of ohmic heating with various essential oil components for inactivation of food-​borne pathogens in buffered peptone water and salsa.<br>References Kim, S. S., et al.: Food Control, 80, 29 (2017); Reichhardt, M. P., et al.: Front Immunol, 7, 85 (2016)<br></p>

<p>Applications 2,4-Dinitrophenylhydrazone (DNPH) derivative.<br>References Lindsay, R.C., et al.: J. Food Sci., 29, 266 (1964),<br></p>

<p>Applications H-D-Ala-D-Leu-OH (cas# 67392-69-2) is a useful research chemical.<br></p>

<p>Impurity Betahistine EP Impurity C (Free Base)<br>Applications N-Methyl-N,N-bis(2-pyridylethyl)amine is used as a reagent in the preparation of copper pyridylmethylethylenediamine dicyanamido polymeric complexes.<br>References Mautner, F.A. et al.: Inorg. Chim. Acta, 362, 4073 (2009);<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite of Methyl isocyanate.<br>References Slatter, J. G., et al.: Chem. Res. Toxicol., 4, 157 (1991),<br></p>

<p>Applications 5-Amino-2-methylbenzotrifluoride is used to prepare azoles as inhibitors of VEGF receptors 1 and 2 with high intestinal permeability. It can also be used to prepare curcumin analogs conjugated with antiandrogens.<br>References Kiselyov, A., et al.: Bioorg. Med. Chem. Lett., 17, 1369 (2007); Shi, Q., et al.: Bioorg. Med. Chem., 20, 4020 (2012)<br></p>

<p>Applications N-Methylcaprolactam is a reagent that is used in the synthesis of 3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone-13C5, which is a chlorinated furanone that accounts for more of the mutagenic activity of drinking water than any other disinfection byproduct.<br></p>

<p>Stability Light Sensitive<br>Applications 6-Methoxy-2-naphthol is a reactant in the development of sirtuin inhibitors from pyrazolone and isoxazol-5-one cambinol analogs.<br>References Mahajan, S.S., et. al.: J. Med. Chem., 57, 3283 (2014)<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>Applications A protected glutamic acid for use in peptide synthesis.<br>References Takahashi, M., et al.: J. Exp. Biol., 200, 401 (1997), Michaelis, E., et al.: Prog. Neurobiol., 54, 369 (1998), Koch, H., et al.: Mol. Pharmacol., 55, 1044 (1999), O'Kane, R., et al.: J. Biol. Chem., 274, 31891 (1999),<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 2-Methyl-Pentanoic acid is a useful building block for 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>Stability Toxic<br>Applications 2-Chloro-4-methylpyrimidine (cas# 13036-57-2) is a compound useful in organic synthesis.<br></p>

<p>Stability Hygroscopic<br>Applications Used as a substrate for methionine adenosyltransferase from rat liver.<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 Lombardini, J.B., et al.: Biochem. Pharmacol., 32(3), 489 (1983), Kajander, E., et al.: Cancer Res., 46 (6), 2866 (1986), Kajander, E., et al.: Biochem. J., 267 (3), 767 (1990)<br></p>

<p>Applications Labelled Cytidine derivative.<br>References Ueda, T., et al.: Chem. Pharmaceut. Bull., 22, 2377 (1974),<br></p>

<p>Applications Perfluoro-4-Methoxybutanoic Acid (cas# 863090-89-5) 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 3-Methyl-1,3,5-pentanetriol is used in the synthesis of Mevalonolactone (M339040), in the synthesis of vitamins and isoprenoids such as steroids.<br>References Yamashita, H. et al.: Frag. J., 28, 62 (2000); Huang, F. et al.: J. Am. Chem. Soc., 97, 4144 (1975);<br></p>

<p>Applications 1-Azido-2-(2-methoxyethoxy)ethane (cas# 215181-61-6) is a useful research chemical.<br></p>

<p>Applications Naphthalenecarboxylic acid derivatives known for their antidote activity against urea and other herbicides.<br></p>

<p>Applications A metabolite common to all triazole fungicides: free triazole, 1,2,4-triazole (T), and its 2 conjugates: triazolylalanine (TA) and triazolylacetic acid (TAA).<br>References Hrudey, S., et al.: Water Sci. Technol., 20, 55 (1988), Froese, K., et al.: Water Res., 33, 1355 (1999), Hengel, M., et al.: J. Agric. Food Chem., 50, 3412 (2002),<br></p>

<p>Applications 5-Methoxyresorcinol (cas# 2174-64-3) is a useful research chemical.<br></p>

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

<p>Applications 2-(6-methoxynaphthalen-2-yl)propanenitrile (cas# 86603-94-3) is a useful research chemical.<br></p>

<p>Applications 2-Methylbutyrylglycine 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 1-Boc-4-(6-aminopyridin-3-yl)piperazine is used to prepare pyrido[2,3-d]pyrimidin-7-ones as selective inhibitors of cyclin-dependent kinases 4 and 6.<br>References Toogood, P., et al.: J. Med. Chem., 48, 2388 (2005); Cho, Y., et al.: J. Med. Chem., 53, 7938 (2010)<br></p>