Amino Acids (AA)

<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 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 Used in the methods of detecting nitrotyrosine and aminotyrosine residues of peptides and proteins. Also used in the studies on the separation and photometric determination of antiepileptics.<br>References Quednow, B., et al.: Pharmazie, 34, 724 (1979),<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 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 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 3-Chloro-6,11-dihydro-5,5-dioxo-11-hydroxy-6-methyldibenzo[c,f][1,2]thiazepine, can beused in the synthesis of Dibenzo[c,f][1,2]thiazepine derivatives.<br>References Gilleron, P., et al.: Bioorg. Med. Chem. Lett., 17, 5465 (2007),<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled 1,6-Anhydro-β-D-glucopyranose (A648100), an compound that have been proven to be a valuable synthon for the preparation of various biologically important and structurally diverse products (e.g. rifamycin S, indanomycin, thromboxane B2, (+)-biotin, tetrodotoxin, quinone, and macrolide antibiotics) as well as for modified sugars.<br>References Fraser-Reid, B., et al. J. Am. Chem. Soc. 106, 731 (1984); Edwards, M.P., et al. J. Org. Chem. 49, 3503 (1984); Kelly, A.G., and Roberts, J.S. J. Chem. Soc., Chem. Commun. 228, (1980); Ogawa, T., et al. Carbohydr. Res. 57, C31 (1977); Isobe, M., et al. Tetrahedron Lett. 28, 6485 (1987);<br></p>

<p>Applications Ethyl 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylate is used in the synthesis of the major metabolites of Febuxostat (F229000), a xanthine oxidase/xanthine dehydrogenase inhibitor. Used for treatment of hyperuricemia and chronic gout. 40-120 mg/day febuxostat was proven effective in lowering serum urate levels when administered to manage hyperuricemia in patients with gout.<br>References Li, X., et. al.: Lett. Org. Chem., 12, 217 (2015); Vallu, V., et. al.: Anal. Chem. Indian J., 14, 339 (2014); Osada, Y., et al.: Eur. J. Pharmacol., 241, 183 (1993); Okamoto, K., et al.: J. Biol. Chem., 278, 1848 (2003); Mayer, M.D., et al.: Am. J. Therap., 12, 22 (2005); Tomlinson, B., et al.: Curr. Opin. Invest. Drugs, 6, 1168 (2005)<br></p>

<p>Stability Hygroscopic<br>Applications 3-Methyl-2-oxobutyric acid calcium salt (cas# 51828-94-5) is a useful research chemical.<br></p>

<p>Applications N-(4-Bromo-2-methylphenyl)-2-chloroacetamide (cas# 96686-51-0) is a useful research chemical.<br></p>

<p>Applications Dl-lysine monohydrate<br></p>

<p>Applications 2-Methylpropylboronic Acid is used in the preparation of isocoumarin analogs as inhibitors of γ-secretase cleavage. Also used in the preparation of peptide boronc acid.<br>References Peuchmaur, M. et al.: Bioorg. Med. Chem. Lett., 21, 1018 (2013); Roemmele, R. et al.: Org. Proc. Res. Devel., 17, 422 (2013);<br></p>

<p>Applications 1,3,5-Trichloro-2-methylbenzene can be used as reactant/reagent in hydrodechlorination process and catalysts for the production of 2,​6-​dichlorotoluene from polychlorotoluene-​containing mixtures. Also, it is derived from 2,4,6-Trichlorobenzoic Acid (T774715), which is a possible degradation intermediate of Polychlorinated Biphenyls (PCBs) in contaminated soil, suggesting the occurrence of microbial transformation processes over time.<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 Eichinger, W., et al.: PCT Int. Appl., WO 2001017932 A1 20010315 (2001); Stella, T., et al.: Sci Total Environ, 533, 177-186 (2015)<br></p>

<p>Applications Methyl 2-bromo-2-methylpropanoate (cas# 23426-63-3) is a useful research chemical.<br></p>

<p>Applications 4-[2-(4-Hydroxyphenyl)-4-methylpentan-2-yl]phenol could be a useful reagent for making visible-transparent aromatic polymers.<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 Agou, T., et al.: Macromolecules (Washington, DC, U. S.), 53, 2942 (2020)<br></p>

<p>Applications L-Methionine Sulfoxide 13C1 is a labelled analogue of L-Methionine Sulfoxide ( M260450). L-Methionine Sulfoxide ( M260450) an intermediate in the synthesis of the acyclic amino carboxylic acid L-Methionine sulfoximine.<br>References Lee, B., et al.: J. Biol. Chem., 283, 28361 (2008), Nordqvist, A., et al.: Bioorg. Med. Chem., 16, 5501 (2008);Balog, E., et al.: Biochem., 48, 3005 (2009);<br></p>

<p>Applications 4-Methoxyphenylacetic Acid is a compound that was found from microbial phenolic metabolites in human feces after the consumption of gin, red wine and dealcholized red wine.<br>References Jimenez-Giron, A., et. al.: J. Arg. Food Chem., 61, 3909 (2013);<br></p>

<p>Stability Hygroscopic<br>Applications 2-(N-Methyl-2-pyrrolidinyl)ethyl Chloride is an intermediate used in the synthesis of reversed lactam analogues of ARC-111 with potent topoisomerase I-targeting activity and cytotoxcity.<br>References Zhu, S.J., et al.: Bioorg. Med. Chem., 14, 3131 (2006); Tanaka, N., et al.: Chem. Pharma. Bull., 48, 245 (2000);<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>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 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione is an intermediate used to prepare selective inhibitors of dipeptidyl peptidase 4 (DPP4) for potential use in the treatment of type 2 diabetes.<br>References Sutton, J., et al.: Bioorg. Med. Chem. Lett., 22, 1464 (2012); Lai, Z., et al.: Eur. J. Med. Chem., 83, 547 (2014)<br></p>

<p>Applications 2-chloro-N-(2-ethyl-6-methylphenyl)acetamide (cas# 32428-71-0) is a useful research chemical.<br></p>

<p>Applications The urinary 1- and 3-methylhistidine (1- and 3-MH) metabolites as potential biomarkers of skeletal muscle toxicity. These metabolites were highly correlated to sex-, dose-, and time-dependent development of cerivastatin-induced myotoxicity. Natural but non-proteinogenic amino acid; employed as index of muscle protein breakdown.<br>References Berna, M., et al.: Anal. Chem., 79, 4199 (2007), Pritt, M., et al.: Toxicol. Sci., 103, 382 (2008), Tonomura, Y., et al.: Toxicology, 266, 48 (2009),<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 Moisture and Temperature Sensitive<br>Applications Galacto-PUGNAc is a highly selective inhibitor for β-hexosaminidases HEXA and HEXB is cell-permeable. Galacto-PUGNAc is able to modulate the activity of HEXA and HEXB in tissue culture, increasing ganglioside GM2 levels in neuroblastoma cells<br>References Stubbs, K.A. et al.: Angew. Chem. Int. Ed., 48, 1300 (2009);<br></p>

<p>Stability Hygroscopic<br>Applications D-Histidine, Hydrochloride Monohydrate was a useful reagent for the preparation of diastereomeric histidine-containing dipeptides to analyze lipophilicity and ionization constants.<br>References Vistoli, G., et al.: Chirality, 24, 566 (2012)<br></p>

<p>Impurity Levothyroxine beta-Hydroxy Impurity / Levothyroxine beta-Hydroxy T4 Impurity<br>Applications It has been prepared for testing as possible antithyroid. It showed some thyromimetic activity.<br>References Wawzone, S., et al.: J. Med. Chem., 6, 442 (1963),<br></p>

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

<p>Applications L-threo-Phenylserine is a valuable chiral synthon.<br></p>

<p>Applications N-Boc-piperazine (cas# 57260-71-6) is a compound useful in organic synthesis.<br></p>

<p>Applications 2-Hydroxy-2-methylpropanamide (cas# 13027-88-8) 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 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 N-methyl-6-(2,2,2-trifluoroethoxy)-1,3,5-triazine-2,4-diamine (cas# 101988-70-9) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications 1-(2-Methoxyphenyl)piperazine Hydrobromide is a useful reagent for improving the synthesis of Eapidil.<br>References Wang, H., et al.: Anhui Huagong, 37, 23 (2011)<br></p>

<p>Applications N-PHENYL-4-METHOXYBENZYLAMINE (cas# 3526-43-0) 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 3-(Trifluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic Acid is used in the synthesis of diaryl ether inhibitors of Toxoplasma gondii enoyl reductase. Also used in the synthesis of 4-carboxamide derivatives acting as antifungal agents.<br>References Cheng, G. et al.: Bioorg. Med. Chem. Lett., 23, 2035 (2013); Wu, Z. et al.: Molecules, 17, 14205 (2012);<br></p>

<p>Applications N-[(R)-1-Carbethoxybutyl]-(S)-alanine 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 2,3-Diethyl-5-methylpyrazine-N4-oxide (cas# 1076200-01-5) is a compound useful in organic synthesis.<br></p>

<p>Applications trans 3-(N-Methylanilino)acrolein (cas# 34900-01-1) is a compound useful in organic synthesis.<br></p>

<p>Applications 3-Methoxy-1,2-propanediol is used to prepare phosphorothioate analogs of sn-2 radyl lysophosphatidic acid as metabolically stabilized LPA receptor agonists. It is also used to synthesize diacylglycerol analogs as potential second-messenger antagonists.<br>References Jiang, G., et al.: Bioorg. Med. Chem. Lett., 23, 1865 (2013); Briggs, J., et al.: Bioorg. Med. Chem. Lett., 2, 127 (1992)<br></p>

<p>Applications 2-Methylpropylamine is used in the synthesis of arylsulfonamide inhibitors that act upon afflictions of osteoarthritis. In addition, it is used in the synthesis of novel reservatrol amide derivatives that act as anti-tumor agents.<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 Yao, Ri-Sheng. et al.: Eur. J. Med. Chem. Lett., 62, 222 (2013); Nuti, E. et al.: Eur. j. Med. Chem., 62, 379 (2013)<br></p>

<p>Applications 2-Hydroxy-5-methylpyridine (cas# 1003-68-5) is a useful compound for organic synthesis. In particular it has been used for the diastereoselective preparation of cyclobutane-fused pyridinyl sulfonyl fluorides.<br>References Liu, J., et al.: Org. Biomol. Chem., 18, 4019 (2020)<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>M03001 - H-Gly-OH</p>