Amino Acids (AA)

<p>Applications L-Abrine is an indoleamino acid that displays radical scavenging and antioxidant properties.<br>References Yang, M., et al.: Food. Funct., 5, 2268 (2014);<br></p>

<p>Applications 2-Methyl-4,6-bis(octylsulfanylmethyl)phenol (cas# 110553-27-0) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications 3-Chloro-L-tyrosine was used in the enzymatic synthesis of halogen derivatives of aromatic amino acids labeled with hydrogen isotope. 3-Chloro-L-tyrosine exhibited stronger antioxidant properties in Hb-induced oxidative stress as was evident by higher efficiency of reduction of ferryl species.<br>References Winnicka, E., et al.: J. Chem. Eng., 8, 54 (2014); Lu, N., et al.: Toxicol. In Vitro, 28, 847 (2014);<br></p>

<p>Applications 2-Methylpentane is used as a raw material/intermediate in organic synthesis, rubber solvent, and vegetable oil extraction solvent.<br>References Choi, D., et al.: Adv. Funct. Mater. 25, 920 (2015)<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 2-Hydroxy-2-methylpropanamide (cas# 13027-88-8) is a useful research chemical.<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 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 2,4-Dinitrophenylhydrazone (DNPH) derivative.<br>References Lindsay, R.C., et al.: J. Food Sci., 29, 266 (1964),<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 N-Acetyl-S-(2,5-dimethylbenzene)-L-cysteine-d3 (cas# 1331909-07-9) is a compound useful in organic synthesis.<br>References Gonzalez-Reche, L., et al.: Arch. Toxicol., 77, 80 (2003),<br></p>

<p>Stability Temperature Sensitive, Light Sensitive<br>Applications 2-Ethyl-4-methylpentyl Acrylate<br></p>

<p>Applications 2-[4-(2-Methylpropenyl)phenyl]propionic Acid is a byproduct of Ibuprofen (I140000(P)), which is an anti-inflammatory drug.<br>References Sharma, K., et al.: Int. J. Environ. Sci. Tech., 16, 8315 (2019)<br></p>

<p>Applications β-Hydroxyisobutanol is used as a reagent in the synthesis of pyrazolo[1,5-a]pyridinecarbonyl-substituted spirocyclic piperidine ketals as inhibitors of HCV protein NS4B and of hepatitis C viral replication and their lack of cytotoxicity in human cells.<br>References Tai, V.W.-F., et al.: Bioorg. Med. Chem. Lett., 24, 2288 (2014);<br></p>

<p>Applications N-(5-Methyl-3-isoxazolyl)benzenesulfonamide is used in the preparation of isoxazolecarboxylic acid derivatives as agricultural fungicides.<br>References Gomes, J.R.B., et al.: Tetrahedron, 61, 2705 (2005),<br></p>

<p>Applications D-Lysine Methyl Ester is a protected form of D-Lysine (L468930). D-Lysine is the unnatural isomer of L-Lysine (L468895) that has the ability to reduce non-enzymatic glycation in vitro. D-Lysine also exists as polypeptide chains of poly-D-lysine, a nonspecific adhesion-promoting molecule that has the potential to be a polymeric drug carrier.<br>References Chen, Q. et al.: J. Biol. Chem., 269, 26602 (1994); Sensi, M., et al.: Diabetologia, 36, 797 (1993); Vermeersch, H. &amp; Remon, J.: J. Control. Rel., 32, 225 (1994)<br></p>

<p>Stability Hygroscopic<br>Applications Hexanoyl-L-carnitine-(N-methyl-d3) Chloride, is the labeled analogue of Hexanoyl-L-carnitine Hydrochloride (H294440), which is used as reactant in the synthesis of carnitine benzyl esters as prodrugs.<br>References Gong, X., et. al.: J. Chem. Res., 6, 327 (2008)<br></p>

<p>Applications L-Asparagine-d3 Hydrate is an isotope labelled L-Asparagine Hydrate, a naturally occurring amino acid that is not a essential for humans and can be synthesized from central metabolic pathway intermediates.<br>References Burda, P., et al.: Biochim. Biophys. Acta., 1426, 239 (1999); Yamane, H., et al.: Animal. Sci. J., 80, 286 (2009);<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 4-Methyl-valerophenone is an intermediate used in the synthesis of a-Pyrrolidinoisohexanophenone (Hydrochloride) (P841230), which is a phenone derivative used for research purposes.<br>References Guo, Z.K., et al.: Marine Drugs, 16, 45/1 (2018)<br></p>

<p>Applications Labelled analogue of L-Vailne. L-Valine is an essential amino acid and one of 20 proteinogenic amino acids. L-Valine cannot be manufactured by the body and must be acquired through diet or supplementation. L-valine is found in grains, dairy products, mushrooms, meats, peanuts and soy proteins. L-Valine has been used in studies to attenuate arrhythmias and induce hypotensive effects.<br>References Choi, C.W. et al.: Anim. Feed Sci. Technol., 102, 15 (2002); Kolarski, D. et al.: Krmiva, 30, 155 (1988); Oba, M. et al.: J. Dairy Sci., 93, 2044 (2010); Mitrega, K. et al.: Pharmacol. Res., 64, 218 (2011);<br></p>

<p>Applications Indole-3-acetic-L-alanine is a derivative of the phytohormone indole-3-acetic acid (I577340) used in studies for the isolation and characterization of Arabdopsis thaliana mutants.<br>References Rampey, R.A., et al.: G3 (Bethesda), 3, 131-141 (2013)<br></p>

<p>Applications N-3-(Sulfopropyl)-3-methoxy-5-methylaniline is used as a reagent for the evaluation of basic property and long-term stability of reagents for enzymically assaying triglyceride, cholesterol and uric acid.<br>References Yamaguchi, T., Iryo to Kensa Kiki-Shiyaku., 3, 591-597 (2007).<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 3-Hydroxy-2-methylbutanoic Acid (cas# 473-86-9) is a compound useful in organic synthesis.<br></p>

<p>Applications N-Pivaloylglycine is used in the biological study between dogs and rats. In a high dose toxicity study of pivalic acid (PA), PA caused skeletal muscle disorder in dog, and a significant increase of pivaloyl carnitine (PC) was observed in canine muscle, but not in rat muscle.<br>References Yamaguchi, T., et al.: Toxicol. Appl. Pharmacol., 214, 61-68 (2006)<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 Pipecolic acid is involved in synaptic transmission in the central nervous system.<br>References Nomura Y., et al.: Neurochem. Res., 6, 391 (1981),<br></p>

<p>Applications Dihydro-5-methyl-4H-1,3,5-dithiazine is used as a reagent in the synthesis of neovibsanin derivatives which have the ability to induce neuronal differentiation in PC12 cells.<br>References Annette, P.-J. C., et al.: Tetrahedron, 66, 6842 (2010)<br></p>

<p>Applications A metabolite of Crotonaldehyde.<br>References Gray, J.M., et al.: Xenobiotica, 1, 55 (1971), Chung, F., et al.: Mutat. Res., 424, 71 (1999), Smith, C., et al.: Food Chem. Toxicol., 38, 637 (2000), Pan, J., et al.: Chem. Res. Toxicol., 15, 367 (2002),<br></p>

<p>Applications N-Carbamyl-L-glutamic Acid has been shown to have protective effects against ammonia intoxication and is used in the treatment of acute hyperammonemia.<br>References Paik, W.K. et al.: Life Sci., 15, 1189 (1974); O'Connor, J.E. et al.: Eur. J. Pediat., 148, 540 (1989); Lee, J.H. et al.: Biochem. Biophys. Res. Chem., 248, 391 (1998);<br></p>

<p>Applications A labelled marker for peroxynitrite. Oxidant and cytotoxic agent.<br>References Sekiguchi, M., et al.: Brain Res., 978, 228 (2003), van den Tweel, E., et al.: J. Neurobiol., 167, 64 (2005), Shirakura, T., et al.: Biol. Pharm. Bull., 28, 1658 (2005),<br></p>

<p>Applications D-Arginine is an unnatural isomer of L-Arginine (A769505), and is used to inhibit glutamate-induced nitric oxide production in rats. Derivatives of D-Arginine are used for pharmaceutical purposes, one example is 1-Deamino-8-D-arginine vasopressin, which is used to treat various bleeding disorders.<br>References Castellano, M., et al.: Neurosci. Lett., 314, 127 (2001); Kobrinsky, N., et al.: Lancet, 323, 1145 (1984); Weyrich, A., et al.: Circulation, 86, 279 (1992)<br></p>

<p>Applications 2-Methoxyphenol-3,4,5,6-d4 (CAS# 7329-52-4) is a useful isotopically labeled research compound.<br></p>

<p>Applications 4-Methyl-2(5H)-furanone (cas# 6124-79-4) 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 3-Methyl-1-butyl-d11 Alcohol (CAS# 170678-50-9) is a useful isotopically labeled research compound.<br></p>

<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>Applications 4-Methoxyresorcinol (cas# 6100-60-3) is a compound useful in organic synthesis.<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>Stability Hygroscopic<br>Applications 5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride is used as a reagent in the synthesis of N-(2-acylaminobenzyl or 2-acylaminoheterocyclylmethyl)thiophene-2-carboxamide derivatives as antithrombotics. It is also used as a reagent in the synthesis of diamide derivatives as FXa inhibitors. 5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic Acid Hydrochloride is an intermediate for Edoxaban (E555520).<br>References Mochizuki, A., et al.: Jpn. Kokai Tokkyo Koho. JP 2010120852 A 20100603. Jun 3, 2010; Mochizuki, A., et al.: PCT Int. Appl. WO 2008123017 A1 20081016. Oct 16, 2008<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 Sorbicillin analog. A bioactive secondary metabolites from terrestrial Streptomyces species TN262.<br>References Ma, L. et al. : J. Anitibiot. 64, 645 (2011); Elleuch, L. et al.: Appl. Biochem. Biotech. 162, 579 (2010)<br></p>

<p>Applications L-Leucine is an essential amino acid. L-Leucine acts as a nutrient signal to stimulate protein synthesis. It has also activates the mammalian target of rapamycin kinase that regulates cell growth.<br>References Demant, T. et al.: Am. J. Physiol., 270, E1022 (1996); Diraison, F. et al.: Am. J. Physiol., 277, E529 (1999); Suryawan, A. et al.: J. Anim. Sci., 89, 2004 (2011); Peyrollier, K. et al.: Biochem. J., 350, 361 (2000);<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>Applications H-L-METHR-OH (cas# 2812-28-4) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications Labelled 3-Aminoisobutyric Acid (A611585). Substituted β-alanines. Used for preparation and isolation of D(-)-β-aminoisobutyric acid.<br>References Kakimoto, Y., et al.: J. Biol. Chem., 236, 3288 (1961),<br></p>

<p>Applications Ethyl Lauroyl Arginate Hydrochloride is used as a food antimicrobial in the sanitation of preserved foods. It is also used in cosmetics as a preservative.<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 Brandt, A. et al.: . Food. Sci., 75, M557 (2010); Taormina, P. et al.: J. Food. Prot., 72, 1216 (2009); Chem. and Eng. News Page 14, Nov. 5 (2018)<br></p>

<p>Applications D-Cysteine Hydrochloride Monohydrate is used as a reactant in the expedient synthesis of electronically modified luciferins for bioluminescence imaging.<br>References McCutcheon, D., et al.: J. Am. Chem. Soc., 134, 7604 (2012);<br></p>

<p>Stability Moisture Sensitive<br>Applications A biologically active, cell permeable, but nonphysiologic ceramide analog. It inhibits cell proliferation and induces monocytic differentiation of HL-60 cells and induces apoptosis. It stimulates protein phosphatase 2A and activates MAP Kinase2.<br>References Inoue, T., et al.: J. Biol. Chem., 284, 9566 (2009), Kang, J., et al.: Bioorg. Med. Chem., 17, 1498 (2009), Rath, G., et al.: Int. J. Biochem. Cell Biol., 41, 1165 (2009),<br></p>

<p>Impurity Flumazenil EP Impurity E<br>Applications Ethyl 5-Methyl-6-oxo-5,6-dihydro-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate (Flumazenil EP Impurity E) is used in the biological studies and preparation of imidazobenzodiazepines as probes for diazepaminsensitive receptor pharmacophore.<br>References Zhang, P., et al.: J. Med. Chem., 38, 1679 (1995)<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>Stability Hygroscopic<br>Applications A metabolite of Catecholamines.<br>References Kopin, I.J., et al.: J. Biol. Chem., 236, 2109 (1961), Short, F.W., et al.: J. Med. Pharm. Chem., 5, 642 (1962)<br></p>

<p>Applications L-Carnitine-d9 is the isotope labelled analog of L-Carnitine (C184110); an essential cofactor of fatty acid metabolism; required for the transport of fatty acids through the inner mitochondrial membrane. Synthesized primarily in the liver and kidney; highest concentrations found in heart and skeletal muscle. Dietary sources include red meat, dairy products, beans, avocado.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002); Karlic, H., et al.: Nutrition, 20, 709 (2004)<br></p>

<p>Applications 3-Mercapto-3-methylbutyl formate is one of the major odor-active thiol in pan-roasted white sesame seeds.<br>References Czerny, M., et al.: J .Agric. Food Chem., 47, 695 (1999), Steinhaus, M., et al.: Eur. Food Res. Technol., 226, 45 (2007), Tamura, H., et al.: Agric. Food Chem., 2010, 58, 7368 (2010),<br></p>

<p>Stability Hygroscopic<br>Applications L-Formiminoglutamic acid is a useful research chemical. It is used medically in the diagnosis of Cobalt deficiencies in Cattle and sheep.<br>References Marsh, K. B., et al.: New Zeal. J. Agric. Res., 31, 273 (1988); Quirk, M. F., et al.: J. Agric. Sci., 110, 465 (1988); Quirk, M. F., et al.: Aust. J. Agric. Res., 38, 1071 (1987)<br></p>

<p>Applications Cucumopine is used in biological studies to evaluate Agrobacterium rhizogenes cucumopine strain T-DNA ORF8 and its effects on transgenic tobacco root cultures.<br>References Bonfill, M., et al.: Curr. Top. Plant Biol., 3, 223 (2002);<br></p>