Amino Acids (AA)

<p>Applications N-Acetyl-DL-aspartic acid (cas# 2545-40-6) is a useful research chemical.<br></p>

<p>M03060 - H-Leu-OH</p>

<p>Applications 4-METHYL-2-PHENYL-2-PENTENAL (cas# 26643-91-4) is a useful research chemical.<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 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 5-Methoxy-1-methylindole-2-boronic acid pinacol ester (cas# 1256360-41-4) is a useful research chemical.<br></p>

<p>Impurity Tinidazole EP Impurity A/ Metronidazole EP Impurity A<br>Applications 2-Methyl-5-nitroimidazole (Tinidazole EP Impurity A) is a Floconazole impurity.<br>References Sanderson, H., et al.: Toxicol. Lett., 187, 84 (2009), Kumar, L., et al.: Eur. J. Med. Chem., 45, 817 (2010),<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 Hygroscopic<br>Applications A potential inhibitor of glutamate carboxypeptidase.<br>References Wolcott, T.G., et al.: Biochem. Biophys. Res. Commun., 57, 709 (1974), Knowles, P.F., et al.: Eur. J. Biochem., 114, 139 (1981),<br></p>

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

<p>Applications DL-Cystine-2,2',3,3,3',3'-d6 (CAS# 352431-53-9) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications (R)-3-Carboxy-2-hydroxy-N,N,N-trimethylpropan-1-aminium chloride is an important co-factor of mammalian mitochondrial energy metabolism. It is also a good active ingredient for dry-skin.<br>References Geier, David A., et al.: Neurochem. Res., 38(11), 2336-2341 (2013);Tanno, Osamu, et al.: Fragrance J., 33(8), 82-85 (2005);<br></p>

<p>Applications AMMONIUM PERFLUORO(2-METHYL-3-OXAHEXANOATE) (cas# 62037-80-3) is a useful research chemical.<br></p>

<p>Applications 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine is a reagent in the synthesis and structure-activity relationship studies of highly potent novel benzoxazinyl-oxazolidinone which is an antibacterial agent. Benzoxazinyl-oxazolidinone had potent activity against Gram-positive pathogens. 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine is also an intermediate in the synthesis of Tedizolid (T013750).<br>References Xin, Q., et al.: J. Med. Chem., 54, 7493 (2011)<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 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>Stability Hygroscopic<br>Applications Oleoyl-L-carnitine is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Oleoyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References Adams, S., et al.: J. Nutrition, 139, 1073 (2009); 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>Impurity Levodopa EP Impurity A; Levodopa USP Related Compound A<br>Stability Hygroscopic<br>Applications 6-Hydroxy-L-DOPA (Levodopa EP Impurity A; Levodopa USP Related Compound A) is the 6-hydroxy derivative of the amino acid L-DOPA (D533751) with neurotoxic properties. Studies show that exogenously administered 6-Hydroxy-L-DOPA is biotransformed by amino acid decarboxylase to the highly potent and catecholamine-selective neurotoxin, 6-Hydroxydopamine. The treatment of 6-Hydroxy-L-DOPA in rats resulted in the stimulation of acetylcholinesterase.<br>References Jaim-Etcheverry, G. et al.: Brain Res., 100, 699 (1975); Kostrzewa, R.M. et al.: Amino Acids, 14, 175 (1998); Berthet, A. et al.: J. Neurosci., 29, 4829 (2009);<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 Glycyl-D-phenylalanine (cas# 34258-14-5) is a useful research chemical.<br></p>

<p>Applications A substrate for pyroglutamate aminopeptidase. Used for colorimetric determination of pyrrolidonyl peptidase activity in bacteria.<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 Szewczuk, A., et al.: Eur. J. Biochem., 8, 63 (1969), Szewczuk, A., et al.: Anal. Biochem., 39, 268 (1971)<br></p>

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

<p>Stability Hygroscopic<br>Applications 3-Methyl-2-oxobutyric acid calcium salt (cas# 51828-94-5) is a useful research chemical.<br></p>

<p>Applications N-Methyltaurine can be used as a counter ion in the formation of soaps.<br>References Miyahara, Reiji, et al.: J. of Oleo Sci., 50(10), 823-830 (2001)<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>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 DL-Homocysteine-d4 is used in the detection of the biosynthetic pathway for the formation of volatile aroma compound 2-methyltetrahydrothiophen-3-one by the bacterium Chitinophaga.<br>References Nawrath, T., et al.: ChemBioChem., 11, 1914-1919 (2010)<br></p>

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

<p>Applications 3-Methoxypropanoic acid<br></p>

<p>Applications A labelled 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 (±)-3-Amino-iso-butyric-2,3,3-d3 Acid is the labeled version of DL-3-Aminoisobutyric Acid (A603043(P)), which is a useful compound for suppressing atherosclerosis in apolipoprotein E-knockout mouse.<br>References Shimba, Y., et al.: Bio. Pharma. Bull., 43, 1016 (2020)<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 3-Methoxy-1,2-propanediol is used to prepare phosphorothioate analogs of sn-2 radyl lysophosphatidic acid as metabolically stabilized LPA receptor agonists. It is also used to synthesize diacylglycerol analogs as potential second-messenger antagonists.<br>References Jiang, G., et al.: Bioorg. Med. Chem. Lett., 23, 1865 (2013); Briggs, J., et al.: Bioorg. Med. Chem. Lett., 2, 127 (1992)<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 1-O-ALPHA-D-GLUCOPYRANOSYL-D-MANNITOL is used in the nutritional and biochemical investigations on disaccharide alcohols.<br>References Grupp, U., et al.: Nutr. Metab., 21, 63 (1977)<br></p>

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

<p>Applications Boc-(S)-3-Amino-4-(2,4,5-trifluorophenyl)butyric Acid is a reactant used in the preparation of peptidase IV inhibitors.<br>References Park, W. et al.: Bioorg. Med. Chem. Lett., 21, 1366 (2011);<br></p>

<p>Applications 2-Methoxytetrahydrofuran is a reactant in the preparation of ruthenium(III) chloro benzimidazolylmethylamine derivative complexes as oxidation catalysts.<br>References Murali, M., et. al.: Eur. J. Inorg. Chem., 22, 3238 (2009)<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 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 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 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>

<p>Applications 7-Methoxy-1-naphthaleneacetamide, can be used for the synthesis of the analogs of Melatonin (M215000), containing naphthalene moiety instead of indole nucleus, having high affinity for the melatonin receptor. Agomelatine Impurity 6<br>References Tang, J. D., et al.: Org. Prep. Proc. Int., 41, 164 (2009); Sndrieux Y. J., et al.: J. Med. Chem., 35, 1484 (1992);<br></p>

<p>Applications 2-Fluoro-3-methoxyphenylboronic acid<br></p>

<p>Applications 3-Methylbutyl Acetate-d3 (CAS# 1219804-75-7) is a useful isotopically labeled research compound.<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 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 MNC is on the metabolic pathway for 2,4-Dinitotoluene degradation.<br>References Spangoord, R.J., et al.: App. and Environ. Microbiology, 57, 11, 3200 (1991)<br></p>

<p>Applications 3-Hydroxy-2'-methoxy-2-naphthanilide (cas# 135-62-6) is a useful research chemical.<br></p>

<p>Stability Hygroscopic<br>Applications 4-Chloro-2-methylaniline Hydrochloride (cas# 3165-93-3) 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 3-Methyl-2-hexanamine HCl Salt is more stable and easier to purify compared to the free base.<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 (R)-N-(1-Carboxyethyl)-D-norvaline 1-Ethyl Ester 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>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>