Amino Acids (AA)

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.
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);

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.
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);

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

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

Applications 3-Methyl-2-butenal is used in the synthesis of L-Felinine (F231250), which is an amino acid found in the urine of species of the Felidae family; believed to either possess pheromone activity or give rise to compounds with such activity.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Daniels, D.L. and Richert, C.: Tetrahedron Letters, 40, 4463 (1999)

Applications Labelled DL-Pipecolinic Acid (P479762). Pipecolic acid is involved in synaptic transmission in the central nervous system.
References Nomura Y., et al.: Neurochem. Res., 6, 391 (1981),

Applications An essential amino acid found in naturally produced peptides. Unlike its stereoisomer, L-tryptophan, it is not used in structural or enzyme proteins.
References Karunakaran, S.et al.: Bochem. J., 414, 343 (2008); Pallaghy, P.K. et al.: Biochem., 38, 11553 (1999);

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

Applications Dimethyl L-Aspartate Hydrochloride was used in the synthesis of enzyme and pH dual responsive L-amino acid based biodegradable polymer nanocarrier that can be used for multidrug delivery to cancer cells.
References Saxena, S., et al.: J. Polym. Sci. Pol. Chem., 54, 3279 (2016);

Applications N-ACETYLISOLEUCINE (cas# 3077-46-1) is a useful research chemical.

Applications Pipecolic acid is involved in synaptic transmission in the central nervous system. The l-form occurs in plants.
References Nomura Y., et al.: Neurochem. Res., 6, 391 (1981),

Applications Ethionine-induced inhibition of protein synthesis and lowering of ATP level in the liver.
References Rotig, A., et al.: Lancet, 356, 391 (2000), Forsgren, M., et al.: Biochem. J., 382, 519 (2004), Johnson, A., et al.: J. Biol. Chem., 280, 31397 (2005), Horvath, R., et al.: Neurology, 66, 253 (2006), Mollet, M., et al.: J. Clin. Invest., 117, 765 (2007),

Applications N-[(R)-1-Carbethoxybutyl]-(S)-alanine is an intermediate in the synthesis of Perindoprilat (P287530), an angiotensin-converting enzyme (ACE) inhibitor. Antihypertensive.
References Pascard, C., et al.: J. Med. Chem., 34, 663 (1991)

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
References Tang, J. D., et al.: Org. Prep. Proc. Int., 41, 164 (2009); Sndrieux Y. J., et al.: J. Med. Chem., 35, 1484 (1992);

Applications L-Alanine-d3 is the labeled analogue of L-Alanine (A481500), which is used to make in-vivo measurement of glucose and alanine metabolism in studies of patients with diabetes. L-Alanine is a non-essential amino acid for human development. L-Alanine is one of the 20 amino acids encoded by the genetic code.
References Bier, D.M. et al.: Diabetes, 26, 1005 (1977); Capaldo, B. et al.: J. Clin. Endocrinol. Metab., 71, 1220 (1990); Giacca, A. et al.: Diabetes, 47, 1763 (1998)

Applications L-Argininic Acid is a guanidino compound, of which accumulation in tissue can cause Hyperargininemia.
References Deignan, J., et al.: Mol. Gen. Metab., 93, 172 (2008); Balz, D., et al.: Intl. J. Develop. Neurosci., 21, 75 (2003); Wyse, A., et al.: Brain Res., 923, 50 (2001)

Applications 4-Hydroxy-4-methylhepta-1,6-diene is a compound useful in organic synthesis.
References Ji, X., et al.: Xiangliao Xiangjing Huazhuangpin, 4, 6 (2011)

Applications L-3-Benzothienylalanine

Applications Methylpropylnitrosamine is used in biological studies as human liver microsomal cytochrome P-450 enzymes which are involved in the bioactivation of procarcinogens detected by umu gene response in Salmonella typhimurium TA 1535/pSK1002.
References Shimada, T., et al.: Cancer Res., 48, 3218 (1989);

Applications Acetyl-L-carnitine is a mitochondrial metabolite that helps to transport fatty acids into the mitochondria for energy (1). Acetyl-L-carnitine also upregulate metabotropic glutamate receptor 2 (mGlu2) via NF-κB p65 acetylation (2,3). It exhibits antidepressant and neuroprotective properties.
References (1) Stephens, F. B., et al.: J Physiol. 581, 431 (2007) (2) Wang, S. M., et al.: J Psychiatr Res. 53, 30 (2014) (3) Cuccurazzu, B., et al.: Neuropsychopharmacology 38, 2220 (2013)

Stability Air Sensitive
Applications N-Acetyl-D-cysteine is an isomer of N-Acetyl Cysteine which can act as a radioprotectant against many aspects of oxidative damage due to high dose irradiation.
References Neal, R., et al.: Free Radic. Biol. Med, 34, 689-695 (2003)

Applications N-[(Benzyloxy)carbonyl]glycylglycine is a reagent in the synthesis of Glycylglycyl-L-tyrosine (G718500), which is a fungal tyrosinases and their capability to oxidize peptide-bound tyrosine residues is important in a view of applicability of tyrosinases.
References Bowness, J., et al.: Biochem. J., 53, 620 (1953), Cuff, M., et al.: J. Mol. Biol., 278, 855 (1998), Kubo, I., et al.: Bioorg. Med. Chem., 12, 5349 (2004),

Applications 4-Methylheptane (cas# 589-53-7) is a useful research chemical.

Applications Threonine derivative used in the synthesis of peptide.
References Dekker, C.A., et al.: J. Biol. Chem., 180, 155 (1949),

Applications Isotope labelled Intermediate for transsulfuration whereby a mammal transfers the sulfur of methionine via homocysteine to cysteine.
References Thompson, J.W., et al.: J. Biol. Chem., 266, 17011 (1991), Yoshida, Y., et al.: Microbiol., 148, 3961 (2002), Jiracek, J., et al.: J. Med. Chem., 49, 3982 (2006),

Applications Guaiacol-beta-D-glucopyranoside, is a Guaiacol Conjugate, that has shown to present in fermentation of grapes that had been exposed to bushfire smoke and can potentially yield unpalatable, smoke-affected wine.
References Hayasaka, Y.m et al.: J. Arg. Food Chem., Vol. 58, Issue 4, P: 2076; 2081 (2010);

Applications 3-Methyl-3-hepten-5-one is a reagent used to prepare fused nitrogen-heterocycles from β-enamino nitrile and α,β-unsaturated carbonyl compounds.
References Nemes, P., et al.: Synlett., 2, 222 (1999)

Stability Very Hygroscopic
Applications A potent inhibitor of NO synthase of adrenal glands, brain, and vascular endothelial cells.
References Vallence, P., et al.: Lancet, 339, 572 (1992),

Applications 3-Ethyl-2-methyl-2-(3-methylbutyl)-oxazolidine is a oxazolidine-based moisture scavenger for use in urethane coatings, sealants and elastomers.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package

Applications D-Homophenylalanine

Stability Hygroscopic
Applications Labelled N-Acetyl-S-(carbamoylethyl)-L-cysteine (A171870). N-Acetyl-S-(carbamoylethyl)-L-cysteine is the urinary metabolite of Acrylamide (AA). Acrylamide is formed during the heating of food and is classified as a genotoxic carcinogen.
References Besaratinia, A., et al.: Mutat. Res., 80, 31 (2005), Bjellaas, T., et al.: Xenobiotica, 35, 1003 (2005), Bjellaas, T., et al.: Food Chem. Toxicol., 45, 1020 (2007), Bjellaas, T., et al.: Toxicol. Sci., 98, 110 (2007),

Applications This not naturally occurring amino acid was first observed after alkali treatment of different proteins. Synthetic Lysinoalanine was found to have a strong chelating ability for metals.
References Schwass, D., et al.: J. Agric. Food Chem., 32, 1377 (1984), Ahmed, M., et al.: J. Biol. Chem., 261, 8816 (1986), Wells-Knecht, K., et al.: Biochem., 34, 3702 (1995),

Stability Unstable in Aqueous Solution
Applications 2-METHYL-1,4-BUTANEDIOL (cas# 2938-98-9) is a useful research chemical.

Applications Labelled DL-Serine is used in the synthesis of novel tryptoline derivatives as IDO (indoleamine 2,3-Deoxygenase) inhibitors, for potential use in Alzheimer’s treatment.
References Tanaka, M. et al.: Bioorg. Med. Chem., 21, 1159 (2013);

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.
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);

Applications 3-Methylbutyric-2,2-d2 Acid (CAS# 95927-02-9) is a useful isotopically labeled research compound.

Applications Fmoc-n-me-lys(boc)-oh

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.
References Shimba, Y., et al.: Bio. Pharma. Bull., 43, 1016 (2020)