Aminoácidos (AA)

<p>Applications 2-Chloro-3-methylaniline (cas# 29027-17-6) is a useful research chemical.<br></p>

<p>Applications A metabolite of carboxylic acid.<br>References Bardsley, W., et al.: Biochem. J., 122, 557 (1971), Kim, J., et al.: Biosci. Biotechnol. Biochem., 69, 1331 (2005), Kopka, J., et al.: J. Biotechnol., 124, 312 (2006),<br></p>

<p>Applications A serine derivative. Used in the synthesis of constrained amino acid buildings blocks and their incorporation into biologically active peptidomimetics.<br>References Rew, Y., et al.: J. Med. Chem., 45, 3746 (2002),<br></p>

<p>Applications Caerulein is a ten amino acid oligopeptide that stimulates smooth muscle and increases digestive secretions. It is similar in action and composition to cholecystokinin. It stimulates gastric, biliary, and pancreatic secretion; and certain smooth muscle. It is used in paralytic ileus and as diagnostic aid in pancreatic malfunction. It is used to induce pancreatitis in experimental animal models.<br>References Anastasi,E., et al.: Ep., 23, 699 (1997); De Caro, G., et al.: Br. J. Pharmac Chemother., 33, 48 (1968)<br></p>

<p>Applications 3-METHYL-4-(TRIFLUOROMETHYL)ANILINE (cas# 106877-31-0) is a useful research chemical.<br></p>

<p>Applications 4-Methyl-1-octanol is an intermediate in the synthesis of 1,2-Cyclohexanedicarboxylic Acid Mono 4-Methyloctan-1-ol Ester which is a possible metabolite of the di(isononyl)cyclohexane-1,2-dicarboxylate (DINCH) monoester (MINCH).<br>References Koch, H., et al.: Arch. Toxicol., 87, 799 (2013)<br></p>

<p>Applications N-Boc-L-Allylglycine is a boc-protected allylglycine used in the preparation of arginine analogues including the natural amino acid enduracididine.<br>References Saniere, L. et al.: Tetrahedron, 60, 5889 (2004): Leman, L. et al.: ARKIVOC, 6, 126 (2003);<br></p>

<p>Applications (±)-2-Methyl-d3-succinic-2,3,3-d3 Acid (CAS# 347840-08-8) is a useful isotopically labeled research compound.<br></p>

<p>Applications N-Methyl-N-nitroso-1-octadecylamine was found to present in various hair-care products when investigated through thermal energy analyzer.<br>References Morrison, J.B., et al.: Food. Chem. Toxicol., 21, 69 (1983); Rainey, W.T., et al.: Biomed. Mass. Spec., 5, 395 (1978);<br></p>

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

<p>Applications 2-Methoxybenzoic Acid is used in the preparation of benzohydroxamic acids as potent and selective anti-hepatitis C virus (HCV) agents.<br>References Kozlov, M.V., et al.: Bioorg. Med. Chem. Lett., 23, 5936 (2013)<br></p>

<p>Applications N-Methyl-2-(4-nitrophenyl)ethanamine Hydrochloride is used as a reactant in the preparation of small molecule CDC25 phosphatases inhibitors.<br>References Contour-Galcera, Marie-Odile, et al.: Bioorg. &amp; Med. Chem. Let., 14(23), 5809-5812 (2004)<br></p>

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

<p>Applications 3-(methyl-d3)-1H-Indole-2,4,5,6,7-d5 is the labeled analogue of 3-Methylindole (M313470), a naturally abundant pneumotoxin, found primarily in mammalian feces providing its strong fecal odor; however in lower concentrations the compound has a pleasent aroma, giving orange blossoms and jasmine their pleasing scent. It is often a component of commercial fragrances and perfumes.<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 Nakashima, T., et al.: Biol. Pharm. Bull., 32, 832 (2009), Xu, H., et al.: Chem. Pharm. Bull., 57, 321 (2009), Bodoor, K., et al.: J. Med. Chem., 52, 3753 (2009), Naskar, S., et al.: J. Chem. Res., 3, 174 (2009), Sollner, K., et al.: J. Agric. Food Chem., 57, 4319 (2009),<br></p>

<p>Stability Hygroscopic<br>Applications Trigonelline-d3 HCl is deuterium labelled Trigonelline HCl. Trigonelline HCl has utility in developing site-specific system that delivers drugs to the brain. It has also been suggested as a potential anti-Alzheimer disease agent.<br>References Bodor, N., et al.: J. Med. Chem 26, 313 (1983); Makowska, J., et al.: J. Chromatogr. B 968, 101 (2014)<br></p>

<p>Applications (4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester (cas# 179990-59-1) is a compound useful in organic synthesis.<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>Stability Hygroscopic<br>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.<br>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),<br></p>

<p>Applications Isotope labelled Intermediate for transsulfuration whereby a mammal transfers the sulfur of methionine via homocysteine to cysteine.<br>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),<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 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 N-t-Boc-2-bromoethylamine (Technical grade, ~90%) (cas# 39684-80-5) is a compound useful in organic synthesis.<br></p>

<p>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.<br>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)<br></p>

<p>Applications 5-Oxo-DL-proline-d5 is a labelled cyclized derivative of L-Glutamic Acid (G596960). The pyroglutamate core has potential application for synthesis of novel anti-bacterials.<br>References Mischo A. et al.: ChemBioChem., 13, 1421 (2012); Angelov P. et al.: Org. Biomol. Chem.: 10, 3472 (2012);<br></p>

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

<p>Applications 1-Methoxy-2-propanol is used as a reagent in the synthesis of 2-amino-3-carboxy-4-phenylthiophenes as novel atypical protein kinase C inhibitors. Also used as a reagent in the synthesis of Metolachlor (M338700); a selective pre-emergence herbicide.<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 Titchenell, P.M., et al.: Bioorg. Med. Chem. Lett., 23, 3034 (2013); Zhang, H.: Nongyao Kexue Yu Guanli, 32, 26 (2011)<br></p>

<p>Applications Ethionine-induced inhibition of protein synthesis and lowering of ATP level in the liver.<br>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),<br></p>

<p>Applications 3-Methyl-5-(3-nitrophenyl)cyclohex-2-enone is derived from Acetone (A163800), which is a common organic building block in organic chemistry.<br>References Neubert, L., et al.: J. Am. Chem. Soc., 134, 12239 (2012); Zhai, J.J., et al.: J. Am. Soc. Mass. Spec., 20, 1366 (2009);<br></p>

<p>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.<br>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),<br></p>

<p>Impurity Verapamil EP Impurity K<br>Applications (Verapamil EP Impurity K)<br></p>

<p>Applications A labelled version of Nateglinide, an amino-acid derivative that stimulates insulin secretion which is used as an antidiabetic.<br>References Shinkai, H., et al.: J. Med. Chem., 32, 1436 (1989), Sato, Y., et al.: Diabetes Res. Clin. Pract., 12, 53 (1991), Vicent, D., et al.: J. Clin. Invest., 111, 1373 (2003), Ceriello, A., et al.: Diabet. Med., 21, 171 (2004),<br></p>

<p>Applications Myristoyl-L-carnitine Hydrochloride is a long-chain fatty ester of carnitine which is accumulated and released into the circulation, in fatty-acid oxidation defects. Pattern of Lauroyl-L-carnitine can be diagnostic for a number of ß-oxidation defects.<br>References 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>Applications Hydroxyprolines are valuable chiral building blocks for organic synthesis of pharmaceuticals. 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.<br>References 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),<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 A potential chiral building blocks for the synthesis of different α -methyl α -amino acids.<br>References Rew, Y., et al.: J. Med. Chem., 45, 3746 (2002),<br></p>

<p>Applications L-Methionine-3,3,4,4-d4 (CAS# 67866-75-5) is a useful isotopically labeled research compound.<br></p>

<p>Impurity Paliperidone USP Related Compound A<br>Applications 3-Ethyl-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone USP Related Compound A) is used in the synthesis of Paliperidone (P141000). Intermediate.<br>References Rein, A., et al.: Curr. Opin. Drug Discovery Dev., 3, 734 (2000),<br></p>

<p>Applications 1-(4-Methoxyphenyl)piperazine (cas# 38212-30-5) is a useful research chemical.<br></p>

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

<p>Applications N-Methyl-N-nitroso-ethenamine is used as research reagent for base induced fragmentation to give aldehydes or ketones and smaller alkylnitrosamine<br>References Leoppky, R.N., et al.: J Org. Chem, 23, 135(1982)<br></p>

<p>Applications DMTMM, a conjugating agent that efficiently conjugat PnPS to Luminex microspheres without affecting the antigenicity of a broad set of PnPS.<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 Wrzesien, J. &amp; Graham, D.: Tetrahedron, 68, 1230 (2012); Schlottmann, S. et al.: J. Im. Meth., 309, 75 (2006)<br></p>

<p>Applications It is used as labelled biomarker for metabolic age.<br>References Selmer, T., et al.: Eur. J. Biochem., 268, 1363 (2001), Connelly, J., et al.: Drug Metab. Dispos., 30, 1357 (2002), Lindon, J., et al.: Pharm. Res., 23, 1075 (2006), Monteagudo, E., et al.: Xenobiotica, 37, 1000 (2007),<br></p>

<p>Applications L-Tryptophan-d3 is a deuterium labelled amino acid, which is a protein building block. The unlabelled L-Tryptophan (T947210) is also available.<br>References Goze, C., et al.: Eur. J. Pharmacol., 643, 153 (2010), Bhandare, P., et al.: J. Chem. Pharm. Res., 2, 372 (2010),<br></p>

<p>Stability Hygroscopic<br>Applications Isotope labelled 1,6-Anhydro-β-D-glucopyranose (A648100), an compound that have been proven to be a valuable synthon for the preparation of various biologically important and structurally diverse products (e.g. rifamycin S, indanomycin, thromboxane B2, (+)-biotin, tetrodotoxin, quinone, and macrolide antibiotics) as well as for modified sugars.<br>References Fraser-Reid, B., et al. J. Am. Chem. Soc. 106, 731 (1984); Edwards, M.P., et al. J. Org. Chem. 49, 3503 (1984); Kelly, A.G., and Roberts, J.S. J. Chem. Soc., Chem. Commun. 228, (1980); Ogawa, T., et al. Carbohydr. Res. 57, C31 (1977); Isobe, M., et al. Tetrahedron Lett. 28, 6485 (1987);<br></p>

<p>Applications N-Methylaniline is used as an additive in gasoline because of its antiknock properties.<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 Liu, Li-jun, et al.: Huaxue Shiji, 37(1), 53-55, 96 (2015); Qin, Li-xia, et al.: Guangzhou Huagong, 43(8), 138-139, 148 (2015);<br></p>

<p>Applications Isoleucine-d10 (mixture of diastereomers) (CAS# 29909-02-2) is a useful isotopically labeled research compound and can be used in gas liquid chromatography.<br>References VandenHeuvel, W., et.al., J. Chromatogr., 50, 405-412, (1970);<br></p>

<p>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.<br>References Gilleron, P., et al.: Bioorg. Med. Chem. Lett., 17, 5465 (2007),<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 An essential amino acid for human development. Precursor for nitric oxide. Ammonia detoxicant (hepatic failure); diagnostic aid (pituitary function).<br>References Miura, T., et al.: Anal. Biochem., 139, 432 (1984), Jones, et al.: Adv. Enzyme Regul., 9, 19 (1970), Borders, C.L., et al.: Protein. Sci., 3, 541 (1994),<br></p>

<p>Applications D-Tyrosine-d2 is deuterium labelled D-Tyrosine (T899970). D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on β-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces.<br>References Li, Ji. et al.: Chin. Chem. Lett., 23, 647 (2012); Xu, H. et al.: Water Res., 45, 5796 (2011); Ke, W. et al.: Antimicrob. Agents Chemother., 55, 174 (2011)<br></p>

<p>Applications L-Argininic Acid is a guanidino compound, of which accumulation in tissue can cause Hyperargininemia.<br>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)<br></p>

<p>Applications A proteinogenic amino acids involved in the biosynthesis of purines and pyrimidines. Inhibitor of serine palmitoyltransferase. A neuromodulator.<br>References Junjaud, G. et al.: J. Neurochem., 98, 1159 (2006); Hanada, K. et al.: FEBS Lett., 474, 63 (2000); Pollegionni, L. et al.: Cell. Mol. Life Sci., 67, 2387 (2010);<br></p>

<p>Applications L-Ornithine-2,3,3,4,4,5,5-d7 hydrochloride is the labelled analogue of L-Ornithine Hydrochloride (O695550), a non-essential amino acid for human development but is required intermediate in arginine biosynthesis. L-Ornithine is found in virtually all vertebrate tissues as well as incorporated into proteins, such as tyrocidine. Isolation from chicken excreta.<br>References Fattori, D., et al.: J. Med. Chem., 50, 550 (2007), Gomez-Alonso, S., et al.: J. Agric. Food Chem., 55, 608 (2007), Subramaniam, R., et al.: Bioorg. Med. Chem. Lett., 18, 3333 (2008),<br></p>

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

<p>Applications 3-(2-Methoxy-5-methylphenyl)-3-phenyl-propanoic Acid (cas# 109089-77-2) is a compound useful in organic synthesis.<br></p>

<p>Applications (2-methylphenoxy)acetic acid (cas# 1878-49-5) is a useful research chemical.<br></p>

<p>Applications 3,5-Dichloro-4-methylaniline<br></p>

<p>Stability Hygroscopic<br>Applications 2-Fluoro-4-methylphenylboronic Acid (cas# 170981-26-7) is a compound useful in organic synthesis.<br></p>

<p>Applications 4-METHOXYPHENYLACETAMIDE (cas# 6343-93-7) is a useful research chemical.<br></p>

<p>Applications 2-Methoxypropyl Acetate causes moderate irritation, significant reduction in body weight development and thymic atrophy in rats as well as pronounced prenatal toxicity in rats.<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 Ma-Hock, L., et al.: Hum. Exp. Toxicol., 24, 95-99 (2005)<br></p>

<p>Stability Moisture sensitive<br>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<br>References Chen, J., et al.: Adv. Funct. Material., 27, 5 (2017)<br></p>

<p>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.<br>References Hayasaka, Y.m et al.: J. Arg. Food Chem., Vol. 58, Issue 4, P: 2076; 2081 (2010);<br></p>

<p>Applications 3-Methyl-1,3-butanediol is a useful compound in carbon oxygen coupling reactions.<br></p>