Amino Acids (AA)

<p>Applications N-Boc-L-glutamic Acid 5-Methyl Ester is an intermediate used in the synthesis of Isodesmosine Chloride Hydrate (Synthetic) (I815051), which is a component of elastin and also it is extremely hygroscopic and must be stored over a desiccant such as silica gel.<br>References Partridge, S., et al.: Nature, 209, 399 (1966)<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 N-PHENYL-4-METHOXYBENZYLAMINE (cas# 3526-43-0) is a useful research chemical.<br></p>

<p>Impurity Iohexol EP Impurity K<br>Applications 5-Amino-2,4,6-triiodoisophthalic Acid (Iohexol EP Impurity K) is an intermediate for nonionic iodinated X-ray contrast agents.<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 7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine is used in the preparation of pyronaridine.<br>References Li, J., et al.: PCT Int. Appl., 2013:1701510 (2013)<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 2-Methoxypropyl Acetate causes moderate irritation, significant reduction in body weight development and thymic atrophy in rats as well as pronounced prenatal toxicity in rats.<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 Ma-Hock, L., et al.: Hum. Exp. Toxicol., 24, 95-99 (2005)<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>Stability Hygroscopic<br>Applications L-Ornithine is 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 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>Stability Hygroscopic<br>Applications 2-Fluoro-4-methylphenylboronic Acid (cas# 170981-26-7) is a compound useful in organic synthesis.<br></p>

<p>Applications 3'-Methylacetophenone is a reagent that is used in the preparation of 3-aryl-6-phenylimidazo[2,1-b]thiazoles which has anticancer properties.<br>References Koppireddi, S., et al.: Bioorg. Med. Chem. Lett., 24, 5428 (2014);<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 Important compounds in coffee aroma.<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 4,4'-Methylenebis(2,6-dimethylphenol) is used in thermosetting resin composition for the industrial manufacture of metal-clad laminates and printed circuit boards.<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 You, J., et al.: Faming Zhuanli Shenqing. 19 pp. (2019)<br></p>

<p>Applications (R)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid, is an amino acid building block used in peptide synthesis. With a growing peptide drug market the fast, reliable synthesis of peptides is of great importance.<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>Stability Hygroscopic<br>Applications 3-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate is a chromegenic reagent for the determination of benzodiazepines, cholesterol, and enzyme activity. 3-Methyl-2-benzothiazolinone Hydrazone Hydrochloride Hydrate is used as an electrophilic coupling reagent used in the spectrophotometric determination of chloramine-B (CAB) and other residual chlorine content in various environmental water samples.<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 Syed, A. et al.: Environ. Sci. Indian J., 3, 49 (2008); Syed, A.A. et al.: Chem. Environ. Res., 15, 41 (2006); Mohan, J. et al.: Indian J. Chem., 32B, 44 (1993);<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 Labelled L-Glutamine (G597000). L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use.<br>References Rivett, A., et al.: J. Biol. Chem., 260, 300 (1985), Watford, M., et al.: Metabolism, 49, 141 (2000), Wilmore, D., et al.: J. Nutr., 131, 2543S (2001),<br></p>

<p>Stability Light Sensitive, Volatile<br>Applications Labelled 2-Methylfuran (M305440). 2-Methylfuran is a volatile organic compound (VOCs) used as a potential non-intrusive tool for screening of lung cancer.<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 McWilliams, et al.: Curr. Oncol. Rep., 4, 487 (2002), Buszewski, B., et al.: Biomed. Chromatogr., 21, 553 (2007), Ligor, T., et al.: J. Breath. Res., 1, 1 (2007),<br></p>

<p>Applications (4S)-4-Hydroxy-L-isoleucine is 4S isomer of 4-Hydroxyisoleucine, which is used as a treatment for type II diabetes.<br>References Martinez-Force, E., et al.: Biotechnol. Tech., 5, 209 (1991); Sauvaire, Y., et al.: Diabetes, 47, 206 (1998), Narender, T., et al.: Bioorg. Med. Chem. Lett., 2006, 16, 293 (2006);<br></p>

<p>Applications 4-Benzyloxy-3-methoxybenzoic Acid is used in the synthesis of Hsp90 inhibitors as EGCG analogues. Also used in the preparation of vanillates exhibiting cytostatic properties towards cancel cells resistant to pro-apoptotic stimuli.<br>References Khandelwal, A. et al.: J. Org. Chem., 78, 7859 (2013); Lamoral-Theys, D. et al.: Bioorg. Med. Chem., 18, 3823 (2010);<br></p>

<p>Applications 12-(t-Boc-amino)-1-dodecanol (cas# 67341-03-1) is a compound useful in organic synthesis.<br></p>

<p>Applications 1-(3-ACETYL-2-HYDROXY-5-METHYL-PHENYL)-ETHANONE (cas# 55108-28-6) is a useful research chemical.<br></p>

<p>Applications Phytosiderophores are produced in higher plants as iron chelating amino acids that promote uptake of iron from soil.<br>References Klair, S., et al.: J. Plant Nutr., 19, 1295 (1996),<br></p>

<p>Applications 3-Methyl-1,2,3-butanetricarboxylic Acid Trimethyl Ester is an intermediate in the synthesis of derivatives of α-pinene, a tracer compound for atmospheric terpene secondary organic aerosol (SOA) particles.<br>References Dette, H.P., et. al.: J. Phys. Chem. A., 118, 7024 (2014)<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 5-Benzyloxy-6-methoxyindole (cas# 4790-04-9) is a compound useful in organic synthesis.<br>References McBride, C., et al.: Bioorg. Med. Chem. Lett., 16, 3789 (2006), Frost, J., et al.: J. Med. Chem., 51, 1904 (2008),<br></p>

<p>Applications 2-methyl-1-[4-(trifluoromethyl)phenyl]propan-1-one (cas# 64436-58-4) is a useful research chemical.<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 rac-trans-2,5-Dimethyl-3-(2-methylphenyl)-1-propylimidazolini-4-one Hydrochloride is the salt analogue of 2,5-Dimethyl-3-(2-methylphenyl)-1-propylimidazolini-4-one (D477055), an impurity of Prilocaine (Prilocaine Hydrochloride P725000). Prilocaine is a local anesthetic of the amino amide type and is often used in dentistry. Prilocaine is also often combined with lidocaine as a preparation for dermal anesthesia (lidocaine/prilocaine or EMLA) towards the treatment of conditions like paresthesia.<br>References Caliaro, G., et al.: J. Pharm. Biomed. Anal., 26, 427 (2001), Ulmeanu, S., et al.: Pharm. Res., 20, 1317 (2003)<br></p>

<p>Applications L-Cysteine Hydrochloride<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 Sinorphan is an inhibitor of angiotensin-converting enzyme and neutral endopeptidase.<br>References Sulpizio, A.C., et al.: J. Pharmacol. Exp. Therap., 209, 1141 (2004); Takeda, Y., et al.: J. Hyper., 18, 927 (2000); Monteil, T., et al.: Syn. Comm., 31, 211 (2001);<br></p>

<p>Applications 1-Chloro-3-methoxypropane (cas# 36215-07-3) is a compound useful in organic synthesis.<br></p>

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

<p>Applications (E)-3-Methoxy-5-styrylphenol (cas# 35302-70-6) 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 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>Stability Moisture Sensitive<br>Applications Used in conjunction with Isothiocyanate to conduct partial Edman Degradation on biologically active peptides.<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 Heidenreich, O., et al.: J. Biol. Chem., 269, 2131 (1994), Kothe, U., et al.: Anal. Biochem., 356, 148 (2006), Thakkar, A., et al.: Anal. Chem., 78, 5935 (2006),<br></p>

<p>Applications N-Methylsuccinimide-d3 is the isotope labelled analog of N-Methylsuccinimide (M329425); a model compound used to investigate the mechanism of enolization step by density-functional theory (DFT) calculations. N-Methylsuccinimide is a metabolite of N-methyl-2-pyrrolidone (NMP) and its presence in plasma and urine can be used as a biomarker of exposure to NMP<br>References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)<br></p>

<p>Applications 4-Methyl-5-thiazoleethanol is used in the synthesis of novel HldE kinase inhibitors used against gram negative bacteria. Also used in the synthesis of potential antimalarial agents from bis-thiazolium analogues.<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 Desroy, N. et al.: J. Med. CHem., 56, 1418 (2013); Caldarelli, S. et al.: J. Med. CHem., 496, (2013);<br></p>

<p>Applications 4-Methoxy-6-(trifluoromethyl)-1,3,5-triazin-2-amine can be used as reactant/reagent in preparation of N-phenylsulfony-N'-pyrimidinylureas as herbicides.<br>References Hamprecht, G., et al.: Ger. Offen., DE 4322726 A1 19950112 (1995)<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled N-Acetyl-S-(2-cyanoethyl)-L-cysteine Ammonium Salt is a metabolite of Acrylonitrile (AN) and acrylamide (AM). Are commonly used in the synthesis of plastics and polymers.<br>References van Bladeren, P., et al.: Drug Metab. Dispos., 9, 246 (1981), Guengerich, F., et al.: Chem. Res. Toxicol., 4, 168 (1991),<br></p>

<p>Applications Ademethionine-d3 1,4-Butanedisulfonate, is a labeled analogue of Ademethionine 1,4-Butanedisulfonate (A280355), used in the synthesis of sulfonio-adenosyl-L-methionine (SAMe) salts.<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 1,2-Cyclohexanedicarboxylic Acid Mono 4-Methyloctan-1-ol Ester is a possible metabolite of the di(isononyl)cyclohexane-1,2-dicarboxylate (DINCH) monoester (MINCH).<br>References Koch, H., et al.: Arch. Toxicol., 87, 799 (2013)<br></p>

<p>Stability Hygroscopic<br>Applications Ferrous Bisglycinate is used in the fortification of infant formulations and foods.<br>References Fox, T. et al.: Am. J. Clin. Nutri., 67, 664 (1998); Heath, A. et al.: J. Am. Coll. Nutr., 20, 477 (2001);<br></p>

<p>Applications Labelled L-Glucose is the enantiomer of D-Glucose (G595000), a naturally occurring carbohydrate used in an abundance of cellular processes. L-Glucose is a synthetic sugar used in the formation of L-Glucose Pentaacetate (G596510), a potential therapeutic agent regarding type II diabetes. In addition, L-glucose can be used as a colon cleansing agent for before a colonoscopy procedure.<br>References Malaisse, W. et al.: Int. J. Mol. Med., 2, 383 (1998); Raymer, G. et al.: Gastrointest. Endosc., 58, 30 (2003); Wang, R., et al.: J. Mol. Catal. B. Enz., 56, 131 (2009),<br></p>

<p>Applications 2-Methyl-5-nitrobenzenesulfonamide is a chemical reagent in the synthesis of good inhibitors of cancer-related carbonic anhydrase. Also used in the synthesis of novel deacetylase inhibitors used in anti-tumor therapy.<br>References Moeker, J. et al.: J. Med. Chem., 57, 3522 (2014); Han, L. et al.: Bioorg. Med. Chem., 22, 1529 (2014);<br></p>

<p>Applications N-t-Boc-2-bromoethylamine (Technical grade, ~90%) (cas# 39684-80-5) is a compound useful in organic synthesis.<br></p>

<p>Applications Used in the synthesis of selective β-adrenergic blocker Metoprolol.<br>References Su, W., et al.: J. Chem. Res., 6, 414 (2004),<br></p>

<p>Applications (2-hydroxy-4-methoxyphenyl)(4-methylphenyl)methanone (cas# 1641-17-4) is a useful research chemical.<br></p>

<p>Applications 1-(2-METHOXYPHENETHYL)PIPERAZINE (cas# 6722-54-9) is a useful research chemical.<br></p>

<p>Applications A compound contents in musts and wines from Vitis vinifera variety Cabernet Sauvignon.<br>References Murray, K., et al.: J. Sci. Food Agric., 26, 973 (1975), Maga, J., et al.: Food Rev. Int., 8, 479 (1992), Allen, M., et al.: J. Agric. Food Chem., 43, 769 (1995),<br></p>

<p>Applications 2-Methoxyresorcinol (cas# 29267-67-2) is a compound useful in organic synthesis.<br></p>

<p>Applications 5-Methoxy-N-methyl-N-(1-methylethyl)-α-oxo-1H-indole-3-acetamide is an intermediate used in the synthesis of 5-Methoxy-N-methyl-N-isopropyl Tryptamine (M271680), which is a psychedelic tryptamine related to N-methyl-N-isopropyltryptamine. 5-Methoxy MiPT potently inhibits the re-uptake of the monoamines serotonin and norepinephrine but does not affect dopamine re-uptake. 5-Methoxy MiPT has no effect on the release of monoamines from rat brain synaptosomes. This product is intended for forensic and research applications.<br>References Katagi, M., et al.: Jpn. J. Forensic Toxicol., 20, 303 (2002), Meatherall, R., et al.: J. Anal. Toxicol., 27, 313 (2003), Wilson, J., et al.: Forensic Sci. Int., 148, 31 (2005), Kamata, T., et al.: Drug Metab. Dispos., 34, 281 (2006),<br></p>

<p>Applications Methyl 5-(Ethylsulfonyl)-2-methoxybenzoate (cas# 62140-67-4) is a useful research chemical.<br></p>

<p>Applications (E)-Ethyl 4-Bromo-3-methyl-2-butenoate (cas# 51318-62-8) is a compound useful in organic synthesis.<br></p>

<p>Applications 1-Bromo-3-methylbutane, is used as an extraction solvent to determine various polycyclic aromatic hydrocarbons in water samples though dispersive liquid-liquid microextraction along with GC-MS (gas chromatography- mass spectrometry).<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 Rezaee, M., et al.: J. Chromat. A., 1116, 1 (2006)<br></p>

<p>Applications 3-Hydroxy-2-methylbutanoic Acid (cas# 473-86-9) is a compound useful in organic synthesis.<br></p>