Amino Acids (AA)

<p>Applications DL-Proline is the racemic mixture of both L-Proline (P755995) and D-Proline (P755990).<br>References Bondarenko, L.B., et al.: Int. J. Peptides., 2, 1687 (2012); Rimer, T., et al.: Biomacromolecules, 13, 2110 (2012);<br></p>

<p>Applications 3-Methylbutane-1,2,3-tricarboxylic Acid is an atmospheric oxidation product of α-pinene that is a tracer compound for atmospheric terpene secondary organic aerosol (SOA) particles.<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 Dette, H.P., et. al.: J. Phys. Chem. A., 118, 7024 (2014)<br></p>

<p>Applications 3-Acetyl-2-methylquinoxaline is an intermediate in the synthesis of Desoxyquinocetone which is a metabolite of the veterinay drug Quinocetone.<br>References Li, Y. et al.: J. AOAC Int., 91, 1494 (2008); Liu, Z.-Y. et al.: Anal. Bioanal. Chem., 396, 1259 (1271);<br></p>

<p>Applications 5-Aminolevulinic Acid Methyl Ester Hydrochloride, is the methyl ester of Aminolevulinic Acid (ALA) (A611780), which has been shown to have higher lipophilicity, and to be highly efficient at inducing protoporphyrin IX (PpIX) production in cell culture.<br>References Morrow, D. I. J., et al.: J. Pharmac. Sci., 99, 3486 (2010); Peng, Q., et al.: Cancer, 79, 2282 (1997);<br></p>

<p>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.<br>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);<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>Applications 3’,5’-Diiodo-L-thyronine is a thyroid hormone that has been shown to increase malic enzyme activity, and the activity of glucose-6-phosphate dehydrogenase in teleost Anabas testudineus. Thus, showing short term effect on lipid metabolism.<br>References Davey, K.G.: Insect Biochem. Mol. Bio., 30, 877 (2000); Shameena, B., et. al.: Endocr. Res., 26, 431 (2000)<br></p>

<p>Applications N-Carbamyl-L-glutamic Acid has been shown to have protective effects against ammonia intoxication and is used in the treatment of acute hyperammonemia.<br>References Paik, W.K. et al.: Life Sci., 15, 1189 (1974); O'Connor, J.E. et al.: Eur. J. Pediat., 148, 540 (1989); Lee, J.H. et al.: Biochem. Biophys. Res. Chem., 248, 391 (1998);<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 9-(N-Methylaminomethyl)anthracene is a reactant that has been used in the synthesis of anthracene-oxyquinoline dyad as a fluorescent indicator for Hg(II).<br>References Praveen, L., et. al.: Tetrahedron Lett., 53, 3951 (2012)<br></p>

<p>Applications 3-Hydroxy-2'-methoxy-2-naphthanilide (cas# 135-62-6) 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 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>Stability Hygroscopic<br>Applications 5-Methyl-2-furanmethanol (cas# 3857-25-8) is a compound useful in organic synthesis.<br></p>

<p>Stability Volatile<br>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.<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 Costi, R., et al.: J. Med. Chem., 56, 7431 (2013);<br></p>

<p>Applications: 3-Methyl-2,5-dihydrothiophene-1,1-dioxide is a reagent used in Diels-Alder reactions of butadienylpyridinium bromides.<br>References Lee, S., et al.: J. Org. Chem., 62, 7812 (1997);<br></p>

<p>Stability Very Hygroscopic<br>Applications Hydroxyisovaleroyl Carnitine is used as a diagnostic tool to identify the presence of orofacial clefts. Also used in the screening and diagnostics of inborn errors of metabolism.<br>References Denes, J. et al.: Anal. Chem., 84, 10113 (2012); Budner, M. et al.: Arch. Oral. Biol., 58, 459 (2013);<br></p>

<p>Applications Isotope labelled β-Alanine is a naturally occurring beta amino acid. β-Alanine is formed in vivo by the degradation of dihydrouracil (D449990) and carnosine. β-Alanine is also the rate-limiting precursor of carnosine, as a result supplementation with β-alanine increases the concentration of carnosine in muscles.<br></p>

<p>Applications L-2-Aminobutyric Acid-d6 is the isotope labelled analog of L-2-Aminobutyric Acid (A602930); a receptor antagonist.<br>References Porter, D.J.T., et al.: Biochem. Pharmacol., 50, 1475 (1995)<br></p>

<p>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<br>References Takahashi, O., et al.: Chem. Biodivers., 7, 1349 (2010)<br></p>

<p>Applications N-Methyl-dl-valine, HCl<br></p>

<p>Applications 4-Methylhexanoic Acid<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 1-Bromo-3-methylbutane, is used as an extraction solvent to determine various polycyclic aromatic hydrocarbons in water samples though dispersive liquid-liquid microextraction along with GC-MS (gas chromatography- mass spectrometry).<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 Rezaee, M., et al.: J. Chromat. A., 1116, 1 (2006)<br></p>

<p>Applications 2-Methylalanine is an Alanine (A481400) derivative. Alanine is an amino acid that occurs naturally in nature. It is a functional component in the alanine cycle which regulates the level of alanine aminotransferases which can be used as a diagnostic tool to predict type II diabetes.<br>References Naveed S. et al.: Diab., 53, 11 (2004); Barlind, J. et al.: Bioorg. Med. Chem. Lett., 23, 2721 (2013);<br></p>

<p>Applications 2-(Acetylamino)-3-(phenylthio)propanoic acid is a useful chemical in research.<br></p>

<p>Applications 3-Methylindole metabolite.<br>References Skordos, K., et al.: Chem. Res. Toxicol., 11, 741 (1998), Lanza, D., et al.: Drug Metab. Disposition, 29, 950 (2001), Hoenicke, K., et al.: J. Agric. Food Chem., 50, 4303 (2002),<br></p>

<p>Applications 8-Methoxycarbonyloctanoic Acid (cas# 2104-19-0) is a compound useful in organic synthesis.<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>Stability Hygroscopic<br>Applications 3-Indolepropionic-d2 acid is deuterium labelled 3-Indolepropionic acid (I627170). 3-Indolepropionic acid is a deamination product of Tryptophan (T947200) that protects the hippocampus (studied in gerbils) from ischemic damage and oxidative stress. It’s ability to protect the neurons in this way is attributed to its potent antioxidative effects. 3-Indolepropionic acid is also hypothesized to have protective effects on the thyroid gland.<br>References Hwang, I., et al.: J. Neurosci. Res., 87, 2126 (2009); Karbownik, M., et al.: J. Cell. Biochem., 95, 131 (2005)<br></p>