Acides aminés (AA)

Applications N-Methylsuccinimide is used as a model compound 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
References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)

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

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
References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)

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 Hygroscopic
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.
References van Bladeren, P., et al.: Drug Metab. Dispos., 9, 246 (1981), Guengerich, F., et al.: Chem. Res. Toxicol., 4, 168 (1991),

Applications 1,3,5-Trimethoxy-2-methylbenzene AldrichCPR (cas# 14107-97-2) is a useful research chemical.

Applications L-Lysine L-Malate is used in the preparation of amino acid ionic liquids for use in food and medical field.

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.
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 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);

Applications 5-Methylfurfural is a common chemical reagent used in a wide variety of chemical reactions and organic synthesis. Polycyclic pyridazine based derivatives are synthesized with this compound to form antimicrobial agents. Also used in the preparation of antiinflammatory diarylpentanoid analogues.
References Deeb, A. et al.: Eur. Chem. Bull., 3, 897 (2014); Leong, S. et al.: Molecules, 19, 16058 (2014);

Applications 6-Methylheptanoic acid is used as a reagent to synthesize analogues of Eponemycin, an antibiotic that also exhibits anti-angiogenic activity by inhibiting proteasome function. 6-Methylheptanoic acid naturally occurs as a component of the scent chemical of the brushtail possum.
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 McLean, S., et al.: J. Chem. Ecol., 38, 1318 (2012); Oikawa, T., et al.: Biochem. Biophys. Res. Comm., 181, 1070 (1991); Sin, N., et al.: Bioorg. Med. Chem., 6, 1209 (1998)

Applications Useful intermediate for the synthesis of a variety of chiral aminopiperidinyl quinolones as potent antibacterial agents against resistant pathogens; and alkynylpyrimidine amide derivatives as orally available inhibitors of Tie-2 kinase.
References Hu, X., et al.: J. Med. Chem., 46, 3655 (2003), Cee, V., et al.: J. Med. Chem., 50, 627 (2007),

Applications 4-Methylcyclohexanecarboxylic Acid Methyl Ester is the methyl ester derivative of 4-Methyl-cyclohexanecarboxylic Acid (M299530) and is used as a starting material in many organic reactions.
References Fedyanin, N. P., et al.: J. Appl. Chem-USSR+, 51, 375 (1978)

Stability Hygroscopic, Moisture Sensitive
Applications Hexahydro-4-methylphthalic Anhydride, can be used in the mixture of other isomers nanofiber supported 3D interconnected BN nanosheets for epoxy nanocomposites with ultrahigh thermal management capability
References Chen, J., et al.: Adv. Funct. Material., 27, 5 (2017)

Applications 2-Methyl-d3-propyl-3,3,3-d3 Alcohol (CAS# 72182-69-5) is a useful isotopically labeled research compound.

Applications N-Methyl-p-tyramineúHCl (cas# 370-98-9) is a useful research chemical.

Applications 5-Methyl-2-hexanone is used in the preparation od S1P1 receptor agonists. Also used in the preparation of indoles in an efficient synthesis involving the use of TCT (2,4,6-trichloro-1,3,5-triazine).
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 Bolli, M. et al.: J. Med. Chem., 57, 78 (2014); Siddalingamurthy, E. et al.: Tetrahedron Lett., 54, 5591 (2013);

Applications 7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine is used in the preparation of pyronaridine.
References Li, J., et al.: PCT Int. Appl., 2013:1701510 (2013)

Applications Intermediate for the preparation of Naratriptan and other indole sulfonamide derivatives.

Applications A red azoic dye.
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 Hoover, K., et al.: Chem. Res. Toxicol., 18, 1497 (2005), Altenburger, R., et al.: Environ. Toxicol. Chem., 24, 324 (2005), Gonzalez, M., et al.: Bioorg. Med. Chem., 13, 1775 (2005),

Applications H-PRO-GLU-OH (cas# 67644-00-2) is a useful research chemical.

Applications 8-Nitroguanine as a potential biomarker for progression of malignant fibrous histiocytoma, a model of inflammation-related cancer.
References Surh, Y., et al.: Mutat. Res., 480, 243 (2001), Balkwill, F., et al.: Lancet, 357, 539 (2001), Kawanishi, S., et al.: Biol. Chem., 387, 365 (2006), Hoki, Y., et al.: Cancer Sci., 98, 163 (2007),

Applications 1-(4-Methoxyphenyl)piperazine (cas# 38212-30-5) is a useful research chemical.

Applications N-(2-Methyl-1-phenylpropan-2-yl)acetamide is a byproduct from the preparation of benzolactams by palladium-catalyzed carbonylation of arylethylamines and α-amino benzenepropanoates.
References Lopez, B., et al.: Chem. Commun., 47, 1054 (2011); Albert, J., et al.: Organometallics, 32, 649 (2013);

Applications 2-Methoxy-3-methylaniline is an important building block.

Applications An immunosuppressant that has revolutionized organ transplantation through its use in the prevention of graft rejection.A group of nonpolar cyclic oligopeptides with immunosupppressant activity.
References van Wartburg, A., et al.: Prog. Med. Chem., 25, 1 (1988), Jorgensen, K.A., et al.: Scand. J. Imunol., 57, 93 (2003), Vollenbroeker, et al.: Transplant. Proc., 37, 1741 (2005),

Applications L-Serine is used in the synthesis of purines and pyrimidines as antibacterial/antifungal agents, as well as acting as a proteinogenic compound.
References Olivella, M. et al.: Bioorg. Med. Chem., 20, 6109 (2012);

Applications An antibody agent.
References Rowell, F. J., et al.: Immunochemistry, 13, 891 (1976),

Applications 3-Amino-4-methylpyridine (cas# 3430-27-1) is a compound useful in organic synthesis.
References Huang, H., et al.: Anal. Biochem., 363, 12 (2007), Tucker, T., et al.: J. Med. Chem., 51, 6503 (2008),

Stability Hygroscopic
Applications D-Histidine, Hydrochloride Monohydrate was a useful reagent for the preparation of diastereomeric histidine-containing dipeptides to analyze lipophilicity and ionization constants.
References Vistoli, G., et al.: Chirality, 24, 566 (2012)

Applications Piperazine derivative used as reference material for forensic laboratories.
References Brady, J., et al.: Drug Dev. Res., 20, 231 (1990), Winter, J., et al.: J. Pharmacol. Exp. Ther., 262, 682 (1992), Ator, N., et al.: Eur. J. Pharmacol., 241, 237 (1993), Forster, E., et al.: Eur. J. Pharmacol., 281, 81 (1995),

Applications Methyl 4-Methyl-3-hydroxybenzoate is used in the preparation of potent antimalarial agents. Also used in the preparation of aromatic inhibtors of anthranilate synthase.
References Fattorusso, C. et al.: J. Med. Chem., 51, 1333 (2008); Payne, R. et al.: Org. biomol. Chem., 3, 3629 (2005);

Applications 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione is an intermediate used to prepare selective inhibitors of dipeptidyl peptidase 4 (DPP4) for potential use in the treatment of type 2 diabetes.
References Sutton, J., et al.: Bioorg. Med. Chem. Lett., 22, 1464 (2012); Lai, Z., et al.: Eur. J. Med. Chem., 83, 547 (2014)

Applications Important compounds in coffee aroma.
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 3,4-Dihydroxy-5-methoxybenzoic acid (cas# 3934-84-7) is a useful research chemical.

Stability Hygroscopic
Applications Chlorobutanol is used as a preservative and sedative. It has also been shown to exhibit antibacterial properties.
References Dutta, T., et al.: PCT Int. Appl., 22, (2020); Ibibia, E., et al.: Asian. J. Pharm. Clin. Res., 9, 179-182 (2016)

Applications 1-Boc-4-(6-aminopyridin-3-yl)piperazine is used to prepare pyrido[2,3-d]pyrimidin-7-ones as selective inhibitors of cyclin-dependent kinases 4 and 6.
References Toogood, P., et al.: J. Med. Chem., 48, 2388 (2005); Cho, Y., et al.: J. Med. Chem., 53, 7938 (2010)

Applications 5,6-Dihydro-5-methyluridine (cas# 23067-10-9) is a useful research chemical.

Applications 3-Methyl-d3-4-nitrophenol-2,5,6-d3 (CAS# 1219803-89-0) is a useful isotopically labeled research compound.

Applications (S)-2-METHYL GLYCIDOL (cas# 86884-90-4) is a useful research chemical.

Stability Hygroscopic
Applications 2-(N-Methyl-2-pyrrolidinyl)ethyl Chloride is an intermediate used in the synthesis of reversed lactam analogues of ARC-111 with potent topoisomerase I-targeting activity and cytotoxcity.
References Zhu, S.J., et al.: Bioorg. Med. Chem., 14, 3131 (2006); Tanaka, N., et al.: Chem. Pharma. Bull., 48, 245 (2000);

Applications 4-Methyl-1-[3-nitro-5-(trifluoromethyl)phenyl]-1H-imidazole, is a 4-methyl-1H-imidazole (4-MEI) derivative.

Stability Hygroscopic
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.
References Gong, X., et. al.: J. Chem. Res., 6, 327 (2008)

Stability Hygroscopic
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).
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

Applications 8-Methoxycarbonyloctanoic Acid (cas# 2104-19-0) is a compound useful in organic synthesis.

Applications MNC is on the metabolic pathway for 2,4-Dinitotoluene degradation.
References Spangoord, R.J., et al.: App. and Environ. Microbiology, 57, 11, 3200 (1991)

Stability Air Sensitive
Applications N-Formyl Ephedrine (Mixture of Diastereomers) can be used as a potential radiation-protective agent.
References Bhat, K.V., et.al.:J. Pharm. Sci., 54, 225-28, (1965);

Applications Norvaline, a hydrogen analogs of an amino acid, was found to be racemates from the Murchison meteorite show. Norvaline was used in chiral separation by electrokinetic chromatography.
References Cronin, J., et al.: Science, 275, 951 (1997); Pizzarello, S., et al.: Geochim. Cosmochim. Acta., 64, 329 (2000); Gerabe, S., et al.: J. Chromatogr., 480, 403 (1989);

Applications Dl-lysine monohydrate

Impurity Carvedilol EP Impurity E; Carvedilol Impurity E; Carvedilol USP E
Applications 2-(2-Methoxyphenoxy)ethylamine Hydrochloride (Carvedilol EP Impurity E; Carvedilol Impurity E; Carvedilol USP E) is an impurity of Carvedilol synthesis.
References Smith, L., et al.: J. Med. Chem., 20, 1653 (1977),

Applications Sodium 2,2'-Methylene-bis(4,6-di-tert-butylphenyl)phosphate is an organophosphate nucleating agent.
References Li, J., et al.: Suliao, 43, 47-50 (2014);

Applications Ethyl 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylate is used in the synthesis of the major metabolites of Febuxostat (F229000), a xanthine oxidase/xanthine dehydrogenase inhibitor. Used for treatment of hyperuricemia and chronic gout. 40-120 mg/day febuxostat was proven effective in lowering serum urate levels when administered to manage hyperuricemia in patients with gout.
References Li, X., et. al.: Lett. Org. Chem., 12, 217 (2015); Vallu, V., et. al.: Anal. Chem. Indian J., 14, 339 (2014); Osada, Y., et al.: Eur. J. Pharmacol., 241, 183 (1993); Okamoto, K., et al.: J. Biol. Chem., 278, 1848 (2003); Mayer, M.D., et al.: Am. J. Therap., 12, 22 (2005); Tomlinson, B., et al.: Curr. Opin. Invest. Drugs, 6, 1168 (2005)

Applications Ethametsulfuron-methyl Sodium Salt, a regulator of the early steps of complement activation on mucosal surfaces. It can be used in combination treatment of ohmic heating with various essential oil components for inactivation of food-​borne pathogens in buffered peptone water and salsa.
References Kim, S. S., et al.: Food Control, 80, 29 (2017); Reichhardt, M. P., et al.: Front Immunol, 7, 85 (2016)

Applications N-Methyltaurine can be used as a counter ion in the formation of soaps.
References Miyahara, Reiji, et al.: J. of Oleo Sci., 50(10), 823-830 (2001)

Applications (4S)-4-Hydroxy-L-isoleucine is 4S isomer of 4-Hydroxyisoleucine, which is used as a treatment for type II diabetes.
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);

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.
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);

Applications Suberylglycine is one of the acylglycines, an important class of metabolites that have been used in the diagnosis of several inborn errors of metabolism (IEM).
References Costa, C., et al.: J. Pharmaceut. Biomed. Anal., 21, 1215 (2000), Garcia-Villoria, J., et al.: Clin. Biochem., 42, 2 (2009), Scalbert, A., et al.: Metabolomics, 5, 435 (2009),

Applications Labelled analogue of L-Phenylalanine, an essential amino acid. L-Phenylalanine is biologically converted into L-tyrosine, another one of the DNA-encoded amino acids, which in turn is converted to L-DOPA and further converted into dopamine, norepinephrine, and epinephrine. L-Phenylalanine is produced for medical, feed, and nutritional applications such as in the preparation of Aspartame.
References Hollunger, G. et al.: Acta Pharmacol. Toxicol., 34, 391 (1974); Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1977);

Applications An acylglycine present in urniary excretion that can be analyzed and be used as diagnostic tool for metabolic disorders, complementary to organic acids and acylcarnitine profiles.
References Bonafe, L. et al.: Mol. Genetics Metab., 69, 302 (2000);

Applications 4,4-methylenebis(N,N-diethylaniline) (cas# 135-91-1) is a useful research chemical.

Applications This item is a cis trans mixture.