Amino Acids (AA)

Applications 2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-diylbis(2-methylpropane-2,1-diyl) bis(3-(3-(tert-butyl)-4-hydroxy-5-methylphenyl)propanoate) (cas# 90498-90-1) is a useful compound used as a modifier for the thermo-oxidative stabilization of synthesized meterials such as polypropylene-based materials, and spider silk.
References Matta, A.; et al.: Polym. Degrad. Stab., 142, 50 (2017); Dao, A. T.; et al.: Polym. Degrad. Stab., 153, 37 (2018).

Stability Moisture Sensitive
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.
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),

Stability Air Sensitive, Moisture Sensitive
Applications (4-Formyl-5-hydroxy-6-methylpyridin-3-yl)methyl dihydrogen phosphate hydrate (cas# 41468-25-1) is a useful research chemical.

Stability Volatile
Applications 1-Chloro-2-methylpropene is a reagent in the synthesis of pyrrolyl and indolyl diketo acids and esters as nucleotide-competitive non-nucleoside inhibitors of terminal deoxynucleotidyl transferase.
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 Costi, R., et al.: J. Med. Chem., 56, 7431 (2013);

Applications N-Acetyl-S-(3-hydroxypropyl)-L-cysteine Dicyclohexylamine Salt (unlabelled) (CAS# 14369-42-7) is a useful research compound.

Stability Hygroscopic
Applications β-Methylamino-L-alanine Hydrochloride is a useful intermediate in the synthesis of β-N-methylamino-L-alanine and other amino acid derivatives.
References Arevalo-Garcia, E. B., et al.: Tetrahedron Lett., 55, 2335 (2014); Sagiyan, A. S., et al.: Hayastani Kimiakan Handes, 61, 424 (2008); Sagiyan, A. S., et al.: Russ. Chem. Bull., 46, 483 (1997)

Applications 3-Chloro-6,11-dihydro-5,5-dioxo-11-hydroxy-6-methyldibenzo[c,f][1,2]thiazepine, can beused in the synthesis of Dibenzo[c,f][1,2]thiazepine derivatives.
References Gilleron, P., et al.: Bioorg. Med. Chem. Lett., 17, 5465 (2007),

Applications N-Isobutyrylglycine detection is a useful diagnostic tool in the diagnosis of many organic acidemias and mitochondrial fatty acid β-oxidation defects. N-Isobutyrylglycine detection is also used in the diagnosis of isobutyryl-CoA dehydrogenase deficiency.
References Costa, C. G. et al.: J. Pharmac. Biomed. Anal., 21, 1215 (2000); Bonafe, L. et al.: Mol. Gen. Metab., 69, 311 (2000); Sass, J. et al.: J. Inher. Metab. Dis., 27, 741 (2004);

Stability Light Sensitive
Applications trans-β-Methylstyrene is an isomer of β-Methylstyrene (M301155), a styrene derivative that is used as a chemical intermediate in the manufacture of plasticizers, resins and polymers. trans-β-Methylstyrene is also produced from the combustion of methamphetamine (M258795).
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 Lin, H., et al.: Tetrahedron, Asym., 22, 134 (2011); Hirata, T., et al.: Tetrahedron., 54, 15993 (1998);

Applications A non-essential amino acid found in food sources and dietary supplements. Its conjugate base D-aspartate has potential use as a a therapeutic agent in the treatment of schizophrenia-related symptoms.
References Errico, F. et al.: J. Neurosci., 28, 10404 (2008); Denu, J.M. et al.: Biochem., 34, 3396 (1995); Chen, P.E. et al.: Mol. Pharmacol., 67, 1470 (2005);

Applications 6-Methyl-1,4-naphthoquinone (cas# 605-93-6) is a compound useful in organic synthesis.

Applications 2,3-Dihydroxy-2-methylbutanoic Acid Sodium Salt is a useful research chemical.

Applications (+)-α-Methyl-β-alanine is a reactant for the chemoenzymatic assembly of cryptophycins as potent anticancer therapeutics.
References Magarvey, N.A., et al.: ACS Chem. Biol., 1, 766-779 (2006)

Stability Hygroscopic
Applications Galactosylceramides play an important roles in promoting the regulation of nerve cells, regulating protein kinase C activities and modulating the function of the hormone receptor. It has shown to have significant immunostimulatory and anti-umor activity in mice with liver metastasis of the Colon26 adenocarcinoma.
References Morita, M., et al.: J. Med. Chem., 38, 2176 (1995), Sakai, T., et al.: J. Med. Chem., 42, 1836 (1999),

Stability Light Sensitive
Applications 2-Methyl-2-propen-1-ol has been used in the synthesis of C2-methyl-1,2-di-O-hexadecylglycerophosphocholine.
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 Bittman, R., Witzke N.M.: Chem. Physics Lipid, 50, 99 (1989)

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 A labelled product of L-Tryptophan metabolism, possessing neruoactive activity having antiexcitotoxic and anticonvulsant properties.
References Wejksza, K., et al.: Pharmacol. Rep., 61, 751 (2009), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010), Di Natale, B., et al.: Toxicol. Sci., 115, 89 (2010),

Applications D-Aspartic Acid Dimethyl Ester Hydrochloride is a useful synthetic intermediate in the synthesis of MK-7246 (M425045); a potent and selective CRTH2 antagonist for the treatment of respiratory diseases.
References Molinaro, C., et al.: J. Org. Chem., 77, 2299 (2012); Gervais, F.G., et al.: Mol. Pharmacol., 79, 69 (2011); Gallant, M, et al.: Bioorg. Med. Chem. Lett., 21, 288 (2011)

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 2-Chloro-L-phenylalanine

Applications A labelled metabolite of Toluene.
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),

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)

Stability Very Hygroscopic
Applications 1-O-Dimethoxytrityl-2-(N-Fmoc)-4-Aminobutyl)-1,3-propanediol is a useful reagent for the synthesis of acridine and​/or lipid containing oligodeoxyribonucleotides.
References Marasco, C. J., et al.: Tetra. Lett., 35, 3029 (1994)

Applications m-Tyramine Hydrochloride affects the firing pattern of Heobania vermiculata. Potential organ or tumor imaging agent.
References Avoli, M., et al.: Comp. Biochem. Physiol. C: Pharmacol., 59C, 173-175 (1978); Counsell, R. E., et al.: J. Med. Chem., 16, 684-687 (1973);

Stability Hygroscopic
Applications (S)-(+)-2-Methylbutyric Acid is a chiral starting reagent used in various synthetic preparations.
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 Neves, F., et al.: Beilstein. J. Org. Chem., 7, 1504 (2011); King, A.M., et al.: J. Medn. Chem., 54, 6432 (2011); Ferrarni, A., et al.: Chirality., 26, 9 (2011);

Impurity Methotrexate EP Impurity K
Stability Hygroscopic
Applications Major metabolite of 5-Methyltetrahydrofolic Acid
References Ng, X., et al.: Food Chem., 110, 1000 (2008), Ng, X., et al.: Food Chem., 106, 200 (2007), Verlinde, P., et al.: J. Agric. Food Chem., 57, 6803 (2009), Gutzeit, D., et al.: Anal. Bioanal. Chem., 391, 211 (2008),

Applications 2-Methoxypropanol is a susbtance used in the relative parameter sensitivity in prenatal toxicity studies with substances classified as developmental toxicants. Also applied in the studies for the analysis of volatile organic compounds in cigarette packaging materials by SPME-GC/MS.
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 Rorije, E., et al.: Reprod. Toxicol., 34, 284 (2012); Hong, W, et al.: Fujian Fenxi Ceshi, 19, 24 (2010)

Applications 4′-Methylpropiophenone is a chemical reagent used in electrocarboxylation reactions.
References Zhang, K. et al.: Chin. J. Chem., 28, 509 (2010); Zhao, S. et al.: Tetra. Lett., 52, 2702 (2011);

Applications L-Glutamine (Alpha-15n, 98%) (cas# 80143-57-3) is a useful research chemical.

Applications Methyl 4-(Bromomethyl)-3-methoxybenzoate is an intermediate used to prepare heteroarylphenyloxoacetyl and heteroarylphenylsulfonyl benzoylpiperazine analogs of BMS 378806 as HIV entry inhibitors. It is also used to synthesize steroid 5α-reductase inhibiting acylpiperidines.
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 Lu, R., et al.: J. Med. Chem., 52, 4481 (2009); Picard, F., et al.: J. Med. Chem., 45, 3406 (2002)

Applications Labelled L-Citrulline. An amino acid, first isolated from the juice of watermelon, Citrullus vulgaris Schrad., Cucurbitaceae. Used in the treatment of asthenia.
References Kurtz, et al.: J. Biol. Chem., 122, 477 (1938), Rajantie, J., et al.: J. Pediatr., 97, 927 (1980), Carpenter, T.O., et al.: N. Engl. J. Med., 312, 290 (1985),

Stability Air Sensitive
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.
References Liu, X.D., et al.: Org. BIomolec. Chem., 11, 4258 (2013); Chen, C.S., et al.: Nueroendocrinol., 97, 232 (2013);

Stability Very Hygroscopic
Applications 6-N-Trimethyl L-Lysine-d9, is the labeled analogue of Nε,Nε,Nε-Trimethyllysine, a metabolite and cofactor on the metabolic pathways.
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);

Applications 2-Cyano-N-methylacetamide is used in the synthesis of pyridone compounds and benzimidazoles, for various pharmaceutical application.
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);