Amino Acids (AA)

<p>Applications A labelled, essential amino acid.<br>References Liu, F., et al.: Bioorg. Med. Chem., 18, 4167 (2010), Kumar, R., et al.: Eur. J. Med. Chem., 45, 2265 (2010), Cai, W., et al.: Bioorg. Med. Chem., 18, 1899 (2010),<br></p>

<p>Applications 5-Methylfurfural is a common chemical reagent used in a wide variety of chemical reactions and organic synthesis. Polycyclic pyridazine based derivatives are synthesized with this compound to form antimicrobial agents. Also used in the preparation of antiinflammatory diarylpentanoid analogues.<br>References Deeb, A. et al.: Eur. Chem. Bull., 3, 897 (2014); Leong, S. et al.: Molecules, 19, 16058 (2014);<br></p>

<p>Applications 2-Amino-3-methylpyridine is used in the synthesis of ketones from aldehydes.<br>References Jun, C. et al.: J. Org. Chem., 62, 1200 (1997); Jun, C. et al.: Angew. Chem. Int. Ed., 37, 145 (1998);<br></p>

<p>Applications 1-(2-Chloroethoxy)-2-methoxy benzene, is an impurity of Carvedilol (C184625), a nonselective β-adrenergic blocker with α1-blocking activity. Carvedilol is an antihypertensive used in the treatment of congestive heart failure.<br>References Hirohashi, M., et al.: Arzneim.-Forsch., 40, 735 (1990); Packer, M., et al.: N. Engl. J. Med., 334, 1349 (1996);<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 Intermediate in the preparation of Epinephrine metabolites<br>References Mizuta, H., et al.: Bioorg. Med. Chem., 10, 675 (2002),<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-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>Stability Hygroscopic<br>Applications 3-Methyl-2-oxovaleric acid calcium salt (cas# 66872-75-1) is a useful research chemical.<br></p>

<p>Applications Labelled 4-Methylimidazole (M312990). 4-Methylimidazole is a monomethylated imidazole that can be used as a building block in the preparation of a wide range of biologically active compounds. 4-Methylimidazole is a product which results from the interaction of reducing sugars with ammonia. 4-Methylimidazole showed convulsant activity in animals and is listed as a possible carcinogen.<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 Nishie, K. et al.: Toxicol. Appl. Pharmacol., 14, 301 (1969): Cunha, S.C. et al.: J. Food Comp. Anal., 24, 609 (2011); Chan, P.C. et al.: Arch. Toxicol., 82, 55 (2008);<br></p>

<p>Applications N-Acetyl-L-cystine is an antioxidant, used in the treatment of influenza A virus pandemic (1). N-Acetyl-L-cystine promotes fertilization by reducing disulfide bonds in zona pellucida of mouse (2).Releases N-Acetyl-L-cysteine, which is an antidote for paracetamol poisoning.<br>References (1) Zhang, R., et al.: (2014) Int. Immunopharmacol. 22: 1-8 (2) Takeo, T., et al.: Biol Reprod. (2015) 92: 1-7<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>Applications N-Boc-piperazine-d8 is a useful synthetic intermediate for the preparation of labelled compounds.<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>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-Cyano-N-methylacetamide is used in the synthesis of pyridone compounds and benzimidazoles, for various pharmaceutical application.<br>References Mijin, D. et al.: Synth. Comm., 36, 193 (2006); Grimmett, M. et al.: Sci. Synth., 12, 529 (2002); Aggarwal, V. et al.: Synth. 3, 214 (1982);<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 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 2,4-Dinitrophenylhydrazone (DNPH) derivative.<br>References Lindsay, R.C., et al.: J. Food Sci., 29, 266 (1964),<br></p>

<p>Stability Unstable in methanol solution<br>Applications 4-Chloro-2-methylphenol Sulfate Sodium Salt is a halogenated derivative of o-toluenesulfonate, present in landfill leachates. o-Toluenesulfonate is an analog of the strong organic acid p-Toluenesulfonate.<br>References Riediker, S. et al.: Environ. Sci. Tech., 34, 2156 (2000);<br></p>

<p>Applications δ-Valerolactam-d4 is a labeled analog of δ-Valerolactam (V091440), which is a useful synthetic intermediate. It is an intermediate used to synthesize Cenicriviroc (C256550), an experimental drug candidate for the treatment of HIV infection. It is also a starting material for a new route to hexahydrojulolidines, using intramolecular 1,4-cycloaddition.<br>References Potts, K., et al. J. Org. Chem., 58, 5040 (1993); Klibanov, O., et al.: Curr. Opinion Invest. Drugs, 11, 940 (2010);<br></p>

<p>Applications 1-(2-Isopropylthiazol-4-yl)-N-methylmethanamine dihydrochloride (cas# 1185167-55-8) is a useful research chemical.<br></p>

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

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

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

<p>Applications Methyl 5-(Ethylsulfonyl)-2-methoxybenzoate (cas# 62140-67-4) 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 5-(2-Hydroxyethylamino)-2-methoxylaniline sulfate (cas# 83763-48-8) 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 4-methoxy-3-methylaniline (cas# 136-90-3) is a useful research chemical.<br></p>

<p>Applications trans-Glutaconic Acid is used in the synthesis of iso and azokainoids which act as agonists for glutamate receptors. E-isomer of Glutaconic Acid (G596945).<br>References Felluga, F. et al.: Chirality, 24, 112 (2012); Wang, W. et al.: Bioorg. Med. Chem. Lett., 23, 1949 (2013);<br></p>

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

<p>Applications L-Threonine-2,3-d2 (CAS# 1202936-45-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications A serine derivative. Used in the synthesis of constrained amino acid buildings blocks and their incorporation into biologically active peptidomimetics.<br>References Rew, Y., et al.: J. Med. Chem., 45, 3746 (2002),<br></p>

<p>Applications This compound contains up to 25% of the two other regioisiomers.<br></p>

<p>Applications 5,6-Dihydro-5-methyluridine (cas# 23067-10-9) is a useful research chemical.<br></p>

<p>Applications 1-Methoxy-2-propanol is used as a reagent in the synthesis of 2-amino-3-carboxy-4-phenylthiophenes as novel atypical protein kinase C inhibitors. Also used as a reagent in the synthesis of Metolachlor (M338700); a selective pre-emergence herbicide.<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 Titchenell, P.M., et al.: Bioorg. Med. Chem. Lett., 23, 3034 (2013); Zhang, H.: Nongyao Kexue Yu Guanli, 32, 26 (2011)<br></p>

<p>Applications N-(4-Cyanophenyl)-glycine (cas# 42288-26-6) is a compound useful in organic synthesis.<br></p>

<p>Applications A receptor adenine derivative binding membrane brain animal cell line.<br>References Camaioni, E., et al.: Bioorg. Med. Chem., 6, 523 (1998), Kelly, M., et al.: Br. J. Pharmacol., 125, 979 (1998), Redzic, Z., et al.: Brain Res., 888, 66 (2001), Levy, D., et al.: J. Med. Chem., 46, 2177 (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 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 N-(4-Bromo-2-methylphenyl)-2-chloroacetamide (cas# 96686-51-0) is a useful research chemical.<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>Applications A metabolite of carboxylic acid.<br>References Bardsley, W., et al.: Biochem. J., 122, 557 (1971), Kim, J., et al.: Biosci. Biotechnol. Biochem., 69, 1331 (2005), Kopka, J., et al.: J. Biotechnol., 124, 312 (2006),<br></p>

<p>Applications 1-Methyl-2-pyrrolidinone-d9 is labeled 1-Methyl-2-pyrrolidinone (M326120), which 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 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>Impurity Carvedilol EP Impurity E; Carvedilol Impurity E; Carvedilol USP E<br>Applications 2-(2-Methoxyphenoxy)ethylamine Hydrochloride (Carvedilol EP Impurity E; Carvedilol Impurity E; Carvedilol USP E) is an impurity of Carvedilol synthesis.<br>References Smith, L., et al.: J. Med. Chem., 20, 1653 (1977),<br></p>

<p>Applications 4-Bromo-6-methyl-3H-1,3-benzodiazole<br></p>

<p>Applications N-Methylacetamide can be used for the synthesis of N-​sulfonyl amidines and acyl sulfonyl ureas.Environmental contaminants; food contaminants.<br>References Chow, S. Y., et al.: J. Org. Chem. 82, 2515 (2017)<br></p>

<p>Applications (3R)-Tetrahydrofuran-3-yl 4-Methylbenzenesulfonate is derived from (R)-(-)-3-Hydroxytetrahydrofuran (H957760), which is a versatile chemical reactant used in the synthesis of pharmaceutical agents.<br>References Hrapchak, M., et al.: J. Labelled. Comp. Radiopharm., 57, 687 (2014);<br></p>

<p>Applications (4R,6S)-rel-5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide is used as a reactant in the preparation of Dorzolamide Hydrochloride (D535100), which is a carbonic anhydrase inhibitor; antiglaucoma agent.<br>References Lippa, E.A., et al.: Ophthalmology, 98, 308 (1991); Wang, R.-F., et al.: Arch. Ophthalmol., 109, 1297 (1991); Whikehart, D., et al.: J. Ocul. Pharmacol., 7, 195 (1991); Sjoquist, B., et al.: Drug Metab. Dispos., 26, 745 (1998);<br></p>

<p>Applications Isotope labelled 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 H-D-Ala-D-Leu-OH (cas# 67392-69-2) is a useful research chemical.<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 A labelled derivative of Dibarbituric acid.<br>References Hitchings, G.H., et al.: J. Biol. Chem., 177, 357 (1949),<br></p>

<p>Applications L-Cystine Bis(T-butyl Ester) Dihydrochloride is used as a reagent in the synthesis of chelate oxorhenium to create new integrin antagonists.<br>References Le Gal, J., et al.: J. Inorg. Biochem., 105, 880 (2011);<br></p>

<p>Applications L-Tryptophan-d3 is a deuterium labelled amino acid, which is a protein building block. The unlabelled L-Tryptophan (T947210) is also available.<br>References Goze, C., et al.: Eur. J. Pharmacol., 643, 153 (2010), Bhandare, P., et al.: J. Chem. Pharm. Res., 2, 372 (2010),<br></p>

<p>Applications A natural constituent of animal structural proteins such as collagen and elastin. 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 Langmaier, F. et al.: Int. J. Cosm. Sci., 24, 273 (2002); 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>