Amino Acids (AA)

<p>Stability Hygroscopic<br>Applications (S)-(+)-2-Methylbutyric Acid is a chiral starting reagent used in various synthetic preparations.<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 Neves, F., et al.: Beilstein. J. Org. Chem., 7, 1504 (2011); King, A.M., et al.: J. Medn. Chem., 54, 6432 (2011); Ferrarni, A., et al.: Chirality., 26, 9 (2011);<br></p>

<p>Applications It is used as labelled biomarker for metabolic age.<br>References Selmer, T., et al.: Eur. J. Biochem., 268, 1363 (2001), Connelly, J., et al.: Drug Metab. Dispos., 30, 1357 (2002), Lindon, J., et al.: Pharm. Res., 23, 1075 (2006), Monteagudo, E., et al.: Xenobiotica, 37, 1000 (2007),<br></p>

<p>Applications 3-Ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide is used in the novel synthesis of benzoin catalyzed by thiazolium salts.<br></p>

<p>Applications 2-Methoxy-1-[4-(oxiranylmethoxy)phenyl]ethanone (cas# 110458-44-1) is a compound useful in organic synthesis.<br></p>

<p>Applications 2-(Diphenylmethoxy)-N-methylethylamine is used in the pereparation of H1 and H2 receptor antagonists containing Diphenhydramine (D486900) derivatives. Diphenhydramine is a H1-histamine receptor antagonist. Diphenhydramine (D486900) is categorized as an antihistaminic; sedative, hypnotic.<br>References Wolf, C. et al.: Archiv. de Pharm., 329, 87 (1996); Gruhzit, O.M., et al.: J. Pharmacol. Exp. Ther., 89, 227 (1947), Holcomb, I.J., et al.: Anal. Profiles Drug Subs., 3, 173 (1974), Scavone, J.M., et al.: J. Clin. Pharmacol., 38, 603 (1998),<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 2-Oxo-3-methylbutanoic acid (cas# 759-05-7) 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 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 Methionine-methyl-d3 is the labeled Methionine-methyl, a useful building block.<br></p>

<p>Applications 3-Amino-4-methylbenzamide is useful for preparing heteroaryl compounds ERK1/ERK2 inhibitors.<br>References Qiao, L.: PCT Int. Appl. (2016), WO 2016100452 A2<br></p>

<p>Applications N-Acetyl-L-alanine is used as a biomarker for prostate cancer.<br>References Jansen, R., et al.: Clin. Biochem., 38, 362 (2005),<br></p>

<p>Stability Hygroscopic<br>Applications β-Methylamino-L-alanine Hydrochloride is a useful intermediate in the synthesis of β-N-methylamino-L-alanine and other amino acid derivatives.<br>References Arevalo-Garcia, E. B., et al.: Tetrahedron Lett., 55, 2335 (2014); Sagiyan, A. S., et al.: Hayastani Kimiakan Handes, 61, 424 (2008); Sagiyan, A. S., et al.: Russ. Chem. Bull., 46, 483 (1997)<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>Impurity Paliperidone USP Related Compound A<br>Applications 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone USP Related Compound A) is used in the synthesis of Paliperidone (P141000). Intermediate.<br>References Rein, A., et al.: Curr. Opin. Drug Discovery Dev., 3, 734 (2000),<br></p>

<p>Applications 3-Methylbutane-1,2,3-tricarboxylic Acid is an atmospheric oxidation product of α-pinene that is a tracer compound for atmospheric terpene secondary organic aerosol (SOA) particles.<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 Dette, H.P., et. al.: J. Phys. Chem. A., 118, 7024 (2014)<br></p>

<p>Applications D-LEUCYL-L-TYROSINE (cas# 3303-29-5) is a useful research chemical.<br></p>

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

<p>Applications 1-AMINO-2-METHYLNAPHTHALENE (cas# 2246-44-8) is a useful research chemical.<br></p>

<p>Applications A labelled derivative of Dibarbituric acid.<br>References Hitchings, G.H., et al.: J. Biol. Chem., 177, 357 (1949),<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>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 Hydroxyprolines are valuable chiral building blocks for organic synthesis of pharmaceuticals. Several microorganisms producing proline trans-4- and cis-3-hydroxylase were discovered and these enzymes were applied to the industrial production of trans-4- and cis-3-hydroxy-L-proline.<br>References Lawrence, C., et al.: Biochem. J., 313, 185 (1996), Mori, H., et al.: J. Bacteriol., 179, 5677 (1997), Clifton, I., et al.: Eur. J. Biochem., 268, 6625 (2001),<br></p>

<p>Applications H-L-METHR-OH (cas# 2812-28-4) is a useful research chemical.<br></p>

<p>Applications 2-Methylresorcinol (cas# 608-25-3) 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 Valeric Acid Sodium Salt (cas# 6106-41-8) is a compound useful in organic synthesis.<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 The main labelled metabolite of o-xylene.<br>References Gregus, Z., et al.: Drug Metab. Dispos., 26, 1082 (1998), Gregus, Z., et al.: Xenobiotica, 29, 547 (1999), Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),<br></p>

<p>Applications Methyl 4-Methyl-3-hydroxybenzoate is used in the preparation of potent antimalarial agents. Also used in the preparation of aromatic inhibtors of anthranilate synthase.<br>References Fattorusso, C. et al.: J. Med. Chem., 51, 1333 (2008); Payne, R. et al.: Org. biomol. Chem., 3, 3629 (2005);<br></p>

<p>Applications (E)-3-Methoxy-5-styrylphenol (cas# 35302-70-6) is a useful research chemical.<br></p>

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

<p>Applications 2-Methylindoline is an intermediate in the production of various indole derivatives<br>References Severino, B., et al.: Bioorg. Med. Chem., 16, 6009 (2008); Zlotos, D., et al.: J. Med. Chem., 52, 826 (2009);<br></p>

<p>Stability Hygroscopic<br>Applications endo-9-Methyl-9-azabicyclo[3.3.1]nonan-3-amine Acetate is an impurity of Granisetron HCl (G780000), a serotonin 5-HT3 receptor antagonist used as an antiemetic to treat nausea and vomiting following chemotherapy<br>References Kilpatrick, G.J., et al.: Nature, 330, 746 (1987), Durig, T., et al.: J. Pharm. Sci., 86, 1092 (1997), Yuasa, H., et al.: Chem. Pharm. Bull., 44, 1361 (1996),<br></p>

<p>Applications 3-Methyl-1-butyl-d11 Alcohol (CAS# 170678-50-9) is a useful isotopically labeled research compound.<br></p>

<p>Applications S-Phenylmercapturic Acid-d5 is the labelled analogue of S-Phenylmercapturic Acid (P335600), an important metabolite of Benzene.<br>References Qu, Q., et al.: Am. J. Ind. Med., 37, 522 (2000); Ghittori, S., et al.: Int. Arch. Occup. Environ. Health, 67, 195 (1995);<br></p>

<p>Applications 2-Methyl-4-oxo-4-phenylbutyric Acid is a chemical reagent used in the synthesis of various pharmaceutically active compounds. Used in the synthesis of Minozac, a suppressor of brain proinflammatory cytokine up-regulation.<br>References Hu, W. et al.: Bioog. Med. Chem. Lett., 17, 414 (2007); Qabaja, G. ET AL.: J. ORG. CHEM., 80, 133 (2015);<br></p>

<p>Applications 2-METHOXY-4-METHYLANILINE (cas# 39538-68-6) 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 6-Methyl-2-heptanol is an intermediate used to prepare tri- and tetrasubstituted imidazoles as highly potent and specific ATP-​mimetic inhibitors of p38 MAP kinase.<br>References Laufer, S., et al.: J. Med. Chem., 51, 4122 (2008)<br></p>

<p>Stability Moisture Sensitive<br>Applications An inhibitor of alkaline phosphatase isoenzymes. An analog of Homoarginine (H585000).<br>References Muth, W., et al.: J. Biol. Chem., 249, 7463 (1974), Hanukoglu, I., et al.: Eur. J. Biochem., 180, 479 (1989), Khaw, L., et al.: J. Bacteriol. 180, 809 (1998), Gallagher, D., et al.: J. Mol. Biol., 342, 119 (2004),<br></p>

<p>Applications N-Acetyl-S-benzyl-d5-L-cysteine is deuterium labelled N-Acetyl-S-benzyl-L-cysteine, which is a metabolite of toluene.<br>References Gargas, M., et al.: Toxicol. Appl. Pharmacol., 98, 87 (1989), Commandeur, J., et al.: Pharmacol. Rev., 47(2), 271 (1995), Campo, P., et al.: Neurotoxicol. Teratol., 21, 427 (1999), Lohse, C., et al.: J. Agr. Food Chem., 48, 5913 (2000),<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 L-Aspartic Acid is a non-essential amino acid found in food sources. L-Aspartic Acid is one of the 20 proteinogenic amino acids; the building blocks of proteins. Its conjugate base L-aspartate is an excitatory neurotransmitter in the central nervous system.<br>References Ager, D.J. et al.: J. Mol. Catal. Enzym., 11, 199 (2001); Velisek, J. et al.: Cze. J. Food. Sci., 24, 1 (2006); Nagahama, M. et al.: Cell Tiss. Res., 318, 483 (2004);<br></p>

<p>Applications Ethylenediaminetetraacetic Acid-d16 (CAS# 203805-96-3) is a useful isotopically labeled research compound.<br></p>

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

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

<p>Stability Hygroscopic<br>Applications α-Glycerylphosphorylcholine is a parasympathomimetic acetylcholine precursor which may have potential for the treatment of Alzheimer's disease and other dementias.<br>References Moreno, M., et al.: Clin. Ther., 25, 178 (2003); Parnetti, L., et al.: J. Neurol. Sci., 257, 264 (2007); Doggrell, S., et al.: Expert Opin. Investig. Drugs, 12, 1633 (2003)<br></p>

<p>Applications cis-Propenylphosphonic Acid (R)-(+)-α-Methylbenzylamine Salt is used as a reagent in the microbial production of Fosfomycin (F727505); a compound used as an antibiotic in the treatment of urinary tract infections.<br>References Watanabe, M., et al.: Appl. Environ. Microb., 65, 1036 (1999); Itoh, N., et al.: Appl. Microbiol. Biot., 43, 394 (1995); White, R.F., et al.: Appl. Microbiol., 22, 55 (1971); Keating, G. et al.: Drugs, 73, 1951 (2013); Demir, T. et al.: Int. J. Infect. Dis., 17, e966 (2013)<br></p>

<p>Stability Light Sensitive<br>Applications trans-β-Methylstyrene is an isomer of β-Methylstyrene (M301155), a styrene derivative that is used as a chemical intermediate in the manufacture of plasticizers, resins and polymers. trans-β-Methylstyrene is also produced from the combustion of methamphetamine (M258795).<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 Lin, H., et al.: Tetrahedron, Asym., 22, 134 (2011); Hirata, T., et al.: Tetrahedron., 54, 15993 (1998);<br></p>

<p>Applications Fructose-histidine is an amadori compound formed in food.<br>References Wang, J., et al.: J. Mass Spec., 43, 262 (2008); Hashiba, H.: J. Agri. Food Chem., 24, 70 (1976)<br></p>

<p>Applications 4-Methyl-2(5H)-furanone (cas# 6124-79-4) is a useful research chemical.<br></p>

<p>Applications 4-Methylenepiperidine Hydrochloride is a building block that can be coupled with aryl halides via Suzuki cross-coupling to give benzyl piperidines and related compounds.<br>References Vice, S., et al.: J. Org. Chem., 66, 2487 (2001);<br></p>

<p>Applications Fmoc-Ser(TBDMS)-OH (cas# 146346-81-8) is a useful research chemical.<br></p>

<p>Applications 3,5-Dichloro-4-methylaniline<br></p>

<p>Applications D-Homophenylalanine<br></p>

<p>Applications 2-Methyl-1-phenyl-1-propene can be used in analytical study of analysis and comparison of aroma compounds from traditional Tangshan sorghum liquor and samples of improved fermentation process by GC-​MS.<br>References Jiang, X., et al.: Shipin Gongye Keji, 37, 87 (2016)<br></p>

<p>Applications 2-(4-Hydroxyphenyl)-3-methyl-1H-indol-5-ol is used as a reagent in the synthesis of tethered indoles as functionalizable ligands for estrogen receptor.<br>References Trogden, B.G., et al.: Bioorg. Med. Chem. Lett., 19, 485 (2009)<br></p>

<p>Applications 6-Methyl-1,4-naphthoquinone (cas# 605-93-6) is a compound useful in organic synthesis.<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>

<p>Applications Labelled L-Citrulline. An amino acid, first isolated from the juice of watermelon, Citrullus vulgaris Schrad., Cucurbitaceae. Used in the treatment of asthenia.<br>References Kurtz, et al.: J. Biol. Chem., 122, 477 (1938), Rajantie, J., et al.: J. Pediatr., 97, 927 (1980), Carpenter, T.O., et al.: N. Engl. J. Med., 312, 290 (1985),<br></p>