Amino Acids (AA)

<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>Applications An efficient reagent for aminoacylations. Used in the synthesis of chiral Pilocarpine analogs via a C-8 ketone intermediate.<br>References Enz, A., et al.: Life Sci., 52, 513 (1993), Felder, C., et al.: J. Med. Chem., 43, 4333 (2000),<br></p>

<p>Applications 3-Methylbutyric-2,2-d2 Acid (CAS# 95927-02-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications N-Methyl-N-nitroso-1-hexadecanamine is a compound found in a wide range of cosmetic products and cleaning emulsions.<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 Kamp, E.. et al.: Food. Chem. Toxicol., 29, 203 (1991); Lalljie, S. P. D., et al.: Adv. Mass. Spec., 14, 33790 (1998); Abidi, S.L., et al.: J. Chroma., 324, 209 (1985);<br></p>

<p>Applications 1,2:4,5-bis-O-(1-Methylethylidene)-β-D-Fructopyranose is a reagent in the synthesis of antibacterial/antifungal monosaccaride esters. Also used in the synthesis of antihyperlipidemic novel compounds involving glycosyl fructose derivatives.<br>References Shen, Y. et al.: Molecules, 17, 8661 (2012); Tiwari, P. et al.: Bioorg. Med. Chem. Lett., 16, 6028 (2006);<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 1-[1-(2-methoxyethyl)piperidin-3-yl]methanamine (cas# 936940-49-7) is a useful research chemical.<br></p>

<p>Applications N-Fmoc-L-tyrosine Benzyl Ester is used to synthesize truncated analogues of preptin-(1-16) as possible osteoblast proliferation stimulant. It is also an intermediate used to prepare phosphotyrosinyl phosphoramidite derivatives useful in the incorporation of multiple reporter groups on synthetic oligonucleotides.<br>References Kowalczyk, R., et al.: Bioorg. Med. Chem., 22, 3565 (2014); Misiura, K., et al.: Nucl. Acids Res., 18, 4345 (1990)<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>Applications 3,5-Diiodo-DL-tyrosine is used for diagnosis of hypothyroidism caused by DEHAL1 gene defects.<br>References Encinas, S., et al.: Chem. Res. Toxicol., 11, 946 (1998), Daneshvar, A., et al.: Chemosphere, 80, 301 (2010), Eriksson, J., et al.: Photochem. Photobiol., 86, 528 (2010),<br></p>

<p>Stability Moisture Sensitive<br>Applications 4-chloro-5-fluoro-2-methoxypyrimidine (cas# 1801-06-5) is a useful research chemical.<br></p>

<p>Applications 1-Methyl-4-nitropyrrole-2-carboxylic Acid is used in the synthesis of Lexitropsin and distamycin analogs with antimicrobial activities.<br>References Anthony, N., et al.: J. Med. Chem., 50, 6116 (2007); Khalaf, A., et al.: J. Med. Chem., 47, 2133 (2004)<br></p>

<p>Applications DL-glutamine<br></p>

<p>Applications N-Acetyl-S-(3-hydroxypropyl)-L-cysteine Dicyclohexylamine Salt (unlabelled) (CAS# 14369-42-7) is a useful research compound.<br></p>

<p>Applications Acetyl-d3 L-Carnitine Hydrochloride is labelled Acetyl L-Carnitine Hydrochloride (A171990) which is used for transmembrane action potential studies. Acetylcarnitine has antinociceptive activity that may be mediated by enhanced activity of muscarinic cholinergic receptors or mGlu2 glutamate receptors.<br>References Matsui, K., et al.: Japanese J. Pharmcol., 39, 263 (1985); Chlechio, S., et al.: J. Endocrinol. Invest., 27, 171 (2004): Walker, R., et al.: Comparative General Pharmacol., 4, 65 (1973)<br></p>

<p>Applications 8-Nitroguanine as a potential biomarker for progression of malignant fibrous histiocytoma, a model of inflammation-related cancer.<br>References Surh, Y., et al.: Mutat. Res., 480, 243 (2001), Balkwill, F., et al.: Lancet, 357, 539 (2001), Kawanishi, S., et al.: Biol. Chem., 387, 365 (2006), Hoki, Y., et al.: Cancer Sci., 98, 163 (2007),<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>Stability Light Sensitive<br>Applications 4-Methoxyphenylhydrazine hydrochloride was used in the preparation of 5-cyano-3-(5-methoxy-2-methylindol-3-yl)-1,2,4-thiadiazole. It was also used to synthesize diarylpyrazoles as possible cyclooxygenase 2 ((COX-2)) inhibitors.<br>References Iwakawa, T., et al.: Chem. Pharm. Bull., 48, 160 (2000); Penning, T., et al.: J. Med. Chem., 40, 1347 (1997)<br></p>

<p>Applications N-Methyltaurine Sodium Salt is used in the analysis of the changing properties of anionic surfactants and the development of new skin cleansers or soaps. It is the salt of N-Methyltaurine, a compound used in sperm cryopreservation studies. N-Methyltaurine is also used in the studies relating to effects on oxidative damage to erythrocytes via phenylhydrazine.<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 Pokhrel, P.K. et al.: Adv. Exp. Med. Biol., 483, 503 (2000); Miyahara, R. et al.: Fragr. J., 28, 11 (2000); Garde, J.J. et al.: Bio. Repro., 69, 602 (2003);<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-Homotyrosine hydrobromide<br></p>

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

<p>Applications p-Methoxytoluene is a building block that has been used as a reactant for the preparation of electrophilic fluorinating 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 Baudoux, J., Cahard, D.: Org. Reactions, 69, 347 (2007)<br></p>

<p>Applications 7-Methoxy-4-(trifluoromethyl)coumarin is a biochemical for proteomics research.<br></p>

<p>Stability Moisture Sensitive<br>Applications 3-Glycidoxypropyltrimethoxysilane (cas# 2530-83-8) is a useful research chemical.<br></p>

<p>Applications Myristoyl-L-carnitine Hydrochloride is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Lauroyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References 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 N-Methyl-​γ-​phenoxybenzenepropanamine Hydrochloride is a reagent used in the preparation of novel molecules displaying potent MDR reversal activity in cancer.<br>References Velingkar, V. et al.: Chinese J. Chem., 29, 504 (2011);<br></p>

<p>Applications Intermediate for the preparation of Glimepiride.<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>Stability Moisture Sensitive<br>Applications (Z)-Metominostrobin (cas# 133408-51-2) is a compound useful in organic synthesis.<br></p>

<p>Applications 2-amino-5-methylhexanoic acid (cas# 3558-32-5) is a useful research chemical.<br></p>

<p>Applications Bisphenol B Mono-β-D-glucuronide is a metabolite of Bisphenol B (B519565), which is the analogue of Bisphenol A (B519495), that is used to make certain plastic an epoxy resins. BPA and its analogs, are also shown to activate human pregnane X receptor (PXR), a nuclear receptor that functions as a master regulator of xenobiotic metabolism.<br>References Krishnan, A.V., et al.: Endocrinology, 132, 2279 (1993); Steinmetz, R., et al.: Trends Endocrinol. Metab., 9, 124 (1998); Petersen, H., et al.: Eur. Food Res. Technol., 216, 355 (2003); Yipeng, S., et al.: Env Hea. Pers., 120, 399 (2012);<br></p>

<p>Applications 5-Chloro-2-methylphenol can be used in the preparation of dichlorotoluqinones.<br>References James, C., et al.: J. Org. Chem., 16, 328 (1951)<br></p>

<p>Applications Pteroyltri-γ-L-glutamic acid is a folate derivative found in various foods such as yeast, spinach, beef liver, beef fillet and peas.<br>References Tamura, T., et al.: Br. J. Haematol., 25, 513 (1973); Ndaw, S., et al.: J. Chromatogr. A, 928, 77 (2001)<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 L-Hydroxyprolylglycine_x000D__x000D (cas# 7672-35-7) is a useful research chemical.<br></p>

<p>Applications L-Leucic Acid is a reagent in the synthesis of cryptophycins based macrocyclic depsipeptides which are used as tubulin inhibitors.<br>References Kumar, A., et al.: Eur. J. Med. Chem., 93, 55 (2015)<br></p>

<p>Applications N-Boc-piperazine-d8 is a useful synthetic intermediate for the preparation of labelled compounds.<br></p>

<p>Impurity Esomeprazol EP Impurity A/ Omeprazole EP Impurity A<br>Applications 5-Methoxy-2-mercaptobenzimidazole (Esomeprazol EP Impurity A) is used in the synthesis of COX-2 inhibitors<br>References Frechette, S., et al.: Bioorg. Med. Chem. Lett., 18, 1502 (2008), Zhang, R., et al.: Eur. J. Med. Chem., 44, 3771 (2009),<br></p>

<p>Applications N-Boc-L-cis-4,5-Methanoprolineamide is an intermediate used to prepare methanoprolinenitrile-contg. dipeptide mimetics as DPP-IV inhibitors and as antidiabetic agents.<br>References Magnin, D., et al.: J. Med. Chem., 47, 2587 (2004)<br></p>

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

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

<p>Impurity Ondansetron EP Impurity C<br>Applications 1,2,3,9-Tetrahydro-9-(methyl-d3)-4H-carbazol-4-one (Ondansetron EP Impurity C) is used in the preparation of 5-HT3 modulators useful in the treatment and prevention of 5-HT3 receptor-mediated diseases. 1,2,3,9-Tetrahydro-9-methyl-4H-carbazol-4-one is an impurity of Ondansetron (O655000).<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 Huang, W. et al.: Zhong. Yao. Dax. Xueb., 30, 1 (1999); Kim, M. et al.: Heterocycles, 45, 2041 (1997); Feng, R. et al.: Zhong. Yaox. Zaz., 46, 1436 (2011);<br></p>

<p>Applications Bis(4-methylpentyl) Phthalate, is a phthalic acid ester (PAEs), widely used in many consumable products with potential carcinogenic properties. It is also the product of the fermentation of Streptomyces regnesis 099.<br></p>

<p>Applications N-Boc-propargylamine is used in the preparation of triazolobenzylidene-thiazolopyrimidines which act as CDC25 phosphatase inhibitors. Also used in the synthesis of β-glucan polysaccharide analogs.<br>References Duval, R. et al.: J. Comb. Chem., 11, 947 (2009); Tanaka, H. et al.: Tetrahedron Lett., 53, 4104 (2012);<br></p>

<p>Applications 2,3-Dihydroxy-2-methylbutanoic Acid Sodium Salt is a useful research chemical.<br></p>

<p>Applications L-Tyrosine-13C9 ,15N is labelled analogue of L-Tyrosine (T899975), one of the 22 proteinogenic amino acids that are used by cells to synthesize proteins. L-Tyrosine is biologically converted from L-phenylalanine and is in turn is converted to L-DOPA and further converted into the neurotransmitters: dopamine, norepinephrine, and epinephrine.<br>References Rasmussen D.D. et al.: J. Clin. Endocrinol. Metab., 57, 760 (1983); Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1977)<br></p>

<p>Applications An antibody agent.<br>References Rowell, F. J., et al.: Immunochemistry, 13, 891 (1976),<br></p>

<p>Applications 3-Methyl-1,3-butanediol is a useful compound in carbon oxygen coupling reactions.<br></p>

<p>Applications An intermediate in the preparation of Ethosuximide.<br></p>

<p>Stability Hygroscopic<br>Applications A metabolite of 1-methyl-2-thioimidazole (methimazole). It inhibits bone resorption.<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 Paterson, J.R., et al.: Biochem. Biophys. Res. Comm., 116, 449 (1983), Taurog, A., et al.: Endocrinology, 124, 30 (1989).<br></p>

<p>Applications VINYLTRIS(2-METHOXYETHOXY)SILANE (cas# 1067-53-4) is a useful research chemical.<br></p>

<p>Applications The selenocyanation and thiocyanation of electron rich arene, 1-Methylindole, achieved using N-iodosuccinimide (NIS) as a catalyst and aqueous tert-Bu hydroperoxide (TBHP) as an oxidant at room temperature.<br>References Muniraj, N., et al.: ChemistrySelect, 1, 1033-1038 (2016)<br></p>

<p>Applications 2-(3,4-Diethoxyphenyl)ethanamine is a useful intermediate in the preparation of Drotaverine hydrochloride, an antispasmodic drug arising from papaverine class of biologically active compounds.<br>References Turks, M., et al.: Rigas Tehniskas Universitates Zinatniskie Raksti, Serija 1: Materialzinatne un Lietiska Kimija, 23, 107 (2011)<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 S-Methyl-L-cysteine is a substrate in the catalytic antioxidant system mediated by methionine sulfoxide reductase A (MSRA). It has been studied as a theurapeutic for neurodegenerative diseases including Parkinson′s.<br>References Wassef, R., et al.: J. Neurosci., 21, 12808 (2007)<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 N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-methyl-L-alloisoleucine, is a building block used in the synthesis of Ecumicin, which is a the potent anti-mycobacterial cyclic depsipeptide natural product.<br>References Hawkins, P. et al.: Organic Letters, Vol. 20, P: 1019-1022 (2018)<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>Stability Hygroscopic<br>Applications CEL and CML are two stable, nonenzymatic chemical modifications of protein lysine residues resulting from glycation and oxidation reactions.<br>References Fu, M.X., et al.: J. Biol. Chem., 271, 9982 (1996), Ahmed M.U., et al.: Biochem.J., 324, 565 (1997), Schleicher, E.D., et al.: J. Clin. Invest., 99, 457 (1997), Shibayama, R., et al.: Diabetes, 48, 1842 (1999),<br></p>

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

<p>Applications N,N-Dimethylglycine HCl (cas# 2491-06-07) is a useful research chemical.<br></p>

<p>Applications 2-Methoxypropanol is a susbtance used in the relative parameter sensitivity in prenatal toxicity studies with substances classified as developmental toxicants. Also applied in the studies for the analysis of volatile organic compounds in cigarette packaging materials by SPME-GC/MS.<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 Rorije, E., et al.: Reprod. Toxicol., 34, 284 (2012); Hong, W, et al.: Fujian Fenxi Ceshi, 19, 24 (2010)<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 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 Derivative of monoenoic and trienoic analogs of Sorbic Acid with antifungal activity.<br>References Guerin, J. et al.: Annales Pharmaceutiques Francaises 44, 373 (1987)<br></p>

<p>Applications 1-Methyluracil (cas# 615-77-0) is a compound useful in organic synthesis.<br></p>

<p>Applications N-Acetyl-L-Tryptophan, is a derivative of L-Tryptophan (T947210), that can be used as competitive inhibitor to identify and characterize tryptophanases. It can also be used as an NK1 tachykinin receptor antagonist, that may help to develop a novel therapeutic intervention for the treatment of reperfusion injury in acute ischemic stroke.<br>References Turner, R. J., et al.: Neuroscience, 220, 1 (2012);<br></p>

<p>Applications 2-Hydroxy-3-methylbutyric Acid is a α-hydroxylated butyric acid derivative used as a marker in chemical diagnosis of organic aciduria and other inborn errors. 2-Hydroxy-3-methylbutyric Acid is also used as a metabolomic biomarkers in preeclampsia.<br>References Nakagawa, K. et al.: J. Chrom. B Anal. Technol. Biomed. Life Sci., 878, 942 (2010); Kenny, L.C. et al.: Reprod. Sci., 15, 591 (2008); Garcia, A. et al.: Clin. Chem., 44, 1905 (1999);<br></p>

<p>Stability Hygroscopic<br>Applications A novel labelled metabolite of Butadiene monoepoxide (BMO), a mutagen and carcinogen compound.<br>References Cheng, X., et al.: Drug Metab. Dispos., 21, 121 (1993), Nieusma, J., et al.: Chem. Res. Toxicol., 10, 450 (1997),<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 3-Hydroxy-4-methoxycinnamic acid, trans-Isoferulic acid<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>Applications 2,2-Dimethoxy-N-methylethanamine is an impurity formed in the synthetic process of Methimazole (M260300), a thiourea antithyroid agent that prevents iodine organification,<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 Sitar, D.S., et al.: J. Pharmacol. Exp. Ther., 184, 432 (1973), Aboul-Enein, H.Y., et al.: Anal. Profiles Drug Subs., 8, 351 (1979), Cooper, D.S., et al.: N. Engl. J. Med., 311, 1353 (1984), Atterwill, C.K., et al.: Food Chem. Toxicol., 29, 355 (1991),<br></p>

<p>Applications [2-(1-methyl-1H-pyrazol-3-yl)-1H-benzimidazol-1-yl]acetic acid (cas# 1171565-50-6) is a useful research chemical.<br></p>