Amino Acids (AA)

<p>Applications D-Cysteine Hydrochloride Monohydrate is used as a reactant in the expedient synthesis of electronically modified luciferins for bioluminescence imaging.<br>References McCutcheon, D., et al.: J. Am. Chem. Soc., 134, 7604 (2012);<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 The urinary 1- and 3-methylhistidine (1- and 3-MH) metabolites as potential biomarkers of skeletal muscle toxicity. These metabolites were highly correlated to sex-, dose-, and time-dependent development of cerivastatin-induced myotoxicity. Natural but non-proteinogenic amino acid; employed as index of muscle protein breakdown.<br>References Berna, M., et al.: Anal. Chem., 79, 4199 (2007), Pritt, M., et al.: Toxicol. Sci., 103, 382 (2008), Tonomura, Y., et al.: Toxicology, 266, 48 (2009),<br></p>

<p>Stability Hygroscopic<br>Applications A potential inhibitor of glutamate carboxypeptidase.<br>References Wolcott, T.G., et al.: Biochem. Biophys. Res. Commun., 57, 709 (1974), Knowles, P.F., et al.: Eur. J. Biochem., 114, 139 (1981),<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 2-(Diphenylmethoxy)-N-methylethylamine is used in the pereparation of H1 and H2 receptor antagonists containing Diphenhydramine (D486900) derivatives. Diphenhydramine is a H1-histamine receptor antagonist. Diphenhydramine (D486900) is categorized as an antihistaminic; sedative, hypnotic.<br>References Wolf, C. et al.: Archiv. de Pharm., 329, 87 (1996); Gruhzit, O.M., et al.: J. Pharmacol. Exp. Ther., 89, 227 (1947), Holcomb, I.J., et al.: Anal. Profiles Drug Subs., 3, 173 (1974), Scavone, J.M., et al.: J. Clin. Pharmacol., 38, 603 (1998),<br></p>

<p>Applications 4-Methylcatechol is a potent inducer of nerve growth factor (NGF) synthesis in vitro and in vivo.<br>References Kaechi, K., et al.: J. Pharmacol. Exp. Ther., 272, 1300 (1995); Hanaoka, Y., et al.: J. Neurol. Sci., 122, 28 (1994)<br></p>

<p>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.<br>References Toogood, P., et al.: J. Med. Chem., 48, 2388 (2005); Cho, Y., et al.: J. Med. Chem., 53, 7938 (2010)<br></p>

<p>Applications 2-ethyl-6-methylpyrazine (cas# 13925-03-6) is a useful research chemical.<br></p>

<p>Applications 3-Methyl-thiopropanal is used as an analytical standard for the quanitiative determination of 2-Furfurylthiol.<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 Sen, A. and Grosch, W.: Z. lebensm Unters Forsch, 192, 541 (1991)<br></p>

<p>Applications A receptor adenine derivative binding membrane brain animal cell line.<br>References Camaioni, E., et al.: Bioorg. Med. Chem., 6, 523 (1998), Kelly, M., et al.: Br. J. Pharmacol., 125, 979 (1998), Redzic, Z., et al.: Brain Res., 888, 66 (2001), Levy, D., et al.: J. Med. Chem., 46, 2177 (2003),<br></p>

<p>Applications N-Cbz-L-aspartic acid is an N-Cbz-protected form of L-Aspartic acid (A790024). L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system.<br>References Anderson, H., et al.: J. Nutr., 99, 82 (1969); Honey, C., et al.: Neurosci. Lett., 61, 135 (1985); MacDonald, J., et al.: Brain Res., 237, 248 (1982)<br></p>

<p>Applications 1-(2-METHOXYPHENETHYL)PIPERAZINE (cas# 6722-54-9) is a useful research chemical.<br></p>

<p>Applications Indole-3-acetic-L-alanine is a derivative of the phytohormone indole-3-acetic acid (I577340) used in studies for the isolation and characterization of Arabdopsis thaliana mutants.<br>References Rampey, R.A., et al.: G3 (Bethesda), 3, 131-141 (2013)<br></p>

<p>Applications N,O-Dibenzoyl-DL-tyrosyl-N',N'-dipropylamide is a metabolite of the antispasmodic agent Tiropramide (T446900). Tiropramide impurity B.<br>References Janssen, et al.: J. Pharm. Pharmacol., 9, 381 (1956), Bertaccini, et al.: Br. J. Pharmac., 34, 310 (1968),<br></p>

<p>Applications 2-Methyl-pyrazine is an intermediate used to synthesize 5-Methyl-2(1H)-pyrazinone (M324900) which is a derivative of 2-Hydroxypyrazine (H952710). 2-Hydroxypyrazine (H952710) is used in the synthesis of potential antioxidants.<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 Shi, J. et al.: J. Phys. Org. Chem., 22, 1038 (2009); Bonde, C. et al.: Ind. J. Hetero. Chem., 10, 271 (2001);<br></p>

<p>Applications 7-Methoxy-4-(trifluoromethyl)coumarin is a biochemical for proteomics research.<br></p>

<p>Applications A compound contents in musts and wines from Vitis vinifera variety Cabernet Sauvignon.<br>References Murray, K., et al.: J. Sci. Food Agric., 26, 973 (1975), Maga, J., et al.: Food Rev. Int., 8, 479 (1992), Allen, M., et al.: J. Agric. Food Chem., 43, 769 (1995),<br></p>

<p>Applications rac-trans-2,5-Dimethyl-3-(2-methylphenyl)-1-propylimidazolini-4-one Hydrochloride is the salt analogue of 2,5-Dimethyl-3-(2-methylphenyl)-1-propylimidazolini-4-one (D477055), an impurity of Prilocaine (Prilocaine Hydrochloride P725000). Prilocaine is a local anesthetic of the amino amide type and is often used in dentistry. Prilocaine is also often combined with lidocaine as a preparation for dermal anesthesia (lidocaine/prilocaine or EMLA) towards the treatment of conditions like paresthesia.<br>References Caliaro, G., et al.: J. Pharm. Biomed. Anal., 26, 427 (2001), Ulmeanu, S., et al.: Pharm. Res., 20, 1317 (2003)<br></p>

<p>Applications 2-METHOXY-4-METHYLANILINE (cas# 39538-68-6) is a useful research chemical.<br></p>

<p>Applications Dl-valine<br></p>

<p>Applications 4-Methoxyresorcinol (cas# 6100-60-3) is a compound useful in organic synthesis.<br></p>

<p>Impurity Duloxetine EP Impurity B<br>Applications A Duloxetine intermediate. Duloxetine EP Impurity B.<br></p>

<p>Applications 3-Fluoro-4-methoxycarbonylphenylboronic acid, pinacol ester is a useful intermediate for organic synthesis and other chemical transformations.<br>References Zhao, F., et al.: Eur. J. Med. Chem., 134, 147 (2017); Zhao, F., et al.: Bioorg. Med. Chem., 24, 4281 (2016)<br></p>

<p>Stability Hygroscopic<br>Applications (S)-(+)-2-Methylbutyric Acid is a chiral starting reagent used in various synthetic preparations.<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 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);<br></p>

<p>Applications β-Hydroxyisobutanol is used as a reagent in the synthesis of pyrazolo[1,5-a]pyridinecarbonyl-substituted spirocyclic piperidine ketals as inhibitors of HCV protein NS4B and of hepatitis C viral replication and their lack of cytotoxicity in human cells.<br>References Tai, V.W.-F., et al.: Bioorg. Med. Chem. Lett., 24, 2288 (2014);<br></p>

<p>Applications 2-Amino-3-methylpyridine is used in the synthesis of ketones from aldehydes.<br>References Jun, C. et al.: J. Org. Chem., 62, 1200 (1997); Jun, C. et al.: Angew. Chem. Int. Ed., 37, 145 (1998);<br></p>

<p>Stability Moisture Sensitive<br>Applications 1-Acetate 4-Methanesulfonate 1,4-Butanediol is used in the facile cleavage of ethers. A Busulfan Impurity<br>References Mazur, Y., et al.: J. Org. Chem., 36, 532 (1971);<br></p>

<p>Applications An inhibitor of the enzyme Glyoxalase 1.<br>References Vince, R. and Wadd, W.B.: Biochemical and Biophysical Res. Commun., 35, 5 (1969), Vegvari, A., et al.: ChemBioChem, 3(11), 1117 (2002)<br></p>

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

<p>Applications 4-Hydroxy-4-methyl-2-pentanone-d12 (CAS# 114253-85-9) is a useful isotopically labeled research compound.<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 4-(4-Chloro-2-methylphenoxy-d3)butyric Acid (CAS# 1219803-42-5) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-methyl-1-[4-(trifluoromethyl)phenyl]propan-1-one (cas# 64436-58-4) is a useful research chemical.<br></p>

<p>Applications Labelled L-Glutamine (G597000). L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use.<br>References Rivett, A., et al.: J. Biol. Chem., 260, 300 (1985), Watford, M., et al.: Metabolism, 49, 141 (2000), Wilmore, D., et al.: J. Nutr., 131, 2543S (2001),<br></p>

<p>Applications 5-Amino-6-methylbenzimidazolone<br></p>

<p>Applications N,N-Dimethylglycine HCl (cas# 2491-06-07) is a useful research chemical.<br></p>

<p>Applications 4-Methoxy-d3-benzoic Acid (CAS# 27914-54-1) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications L-Saccharopine is a product of breakdown of essential amino acid Lysine (L468895). Saccharopine is also part of the α-aminoadipate pathway of fungal lysine biosynthesis.<br>References Higashino, K., et al.: Biochem. Biophys. Res. Commun., 20, 285 (1965); Johansson, E., et al.: Structure, 8, 1037 (2000)<br></p>

<p>Applications 3-Methyl-2-furoic Acid-d is a deuterated version of 3-Methyl-2-furoic Acid (M219553), a useful reactant in the synthesis of therapeutic agents.<br>References Dragovich, Peter S., et al.: Bioorg. &amp; Med. Chem. Let., 24(3), 954-962 (2014);Garcia-Barrantes, Pedro M., et al.: J. of Med. Chem., 58(20), 7959-7971 (2015)<br></p>

<p>Applications 2-chloro-N-(2-ethyl-6-methylphenyl)acetamide (cas# 32428-71-0) is a useful research chemical.<br></p>

<p>Applications 2-Methoxyphenol-3,4,5,6-d4 (CAS# 7329-52-4) is a useful isotopically labeled research compound.<br></p>

<p>Stability Hygroscopic<br>Applications A labelled metabolite of Methyl isocyanate.<br>References Slatter, J. G., et al.: Chem. Res. Toxicol., 4, 157 (1991),<br></p>

<p>Stability Hygroscopic<br>Applications 4-Chloro-3-cyano-6-methoxy-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline is a useful reagent to prepare benzofuranyl derivatives for treating solid tumours. It is also an impurity of Bosutinib.<br>References Hennequin, L. F. A. PCT Int. Appl. (2003), WO 2003047585 A1 20030612 (2003); Hennequin, L. F. A., Gibson, K. H., Foote, K. M. PCT Int. Appl. WO 2003047582 A1 20030612 (2003)<br></p>

<p>Applications 5-Benzyloxy-6-methoxyindole (cas# 4790-04-9) is a compound useful in organic synthesis.<br>References McBride, C., et al.: Bioorg. Med. Chem. Lett., 16, 3789 (2006), Frost, J., et al.: J. Med. Chem., 51, 1904 (2008),<br></p>

<p>Applications N-Boc-L-glutamic Acid 5-Methyl Ester is an intermediate used in the synthesis of Isodesmosine Chloride Hydrate (Synthetic) (I815051), which is a component of elastin and also it is extremely hygroscopic and must be stored over a desiccant such as silica gel.<br>References Partridge, S., et al.: Nature, 209, 399 (1966)<br></p>

<p>Stability Moisture Sensitive<br>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.<br>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),<br></p>

<p>Applications 2-Furoylglycine is an intermediate used to prepare non-nucleoside inhibitors of HCV NS5b RNA polymerase. It is also used in the synthesis of benzimidazolylazabicyclooctylethylpiperidines as Ccr5 antagonists for the treatment of HIV infection.<br>References Antonysamy, S., et al.: Bioorg. Med. Chem. Lett., 18, 2990 (2008); Kazmierski, W., et al.: PCT Int. Appl. (2004), WO 2004054974 A2 20040701<br></p>

<p>Applications 5-methoxypentanoic acid (cas# 70160-05-3) is a useful research chemical.<br></p>

<p>Applications 2-Methylpropylboronic Acid is used in the preparation of isocoumarin analogs as inhibitors of γ-secretase cleavage. Also used in the preparation of peptide boronc acid.<br>References Peuchmaur, M. et al.: Bioorg. Med. Chem. Lett., 21, 1018 (2013); Roemmele, R. et al.: Org. Proc. Res. Devel., 17, 422 (2013);<br></p>

<p>Applications N-Methyl-​γ-​phenoxybenzenepropanamine Hydrochloride is a reagent used in the preparation of novel molecules displaying potent MDR reversal activity in cancer.<br>References Velingkar, V. et al.: Chinese J. Chem., 29, 504 (2011);<br></p>

<p>Applications 3-Methyl-d3-indole has been used to prove that bioactivation of the pulmonary toxin 3-methylindole requires methyl carbon-hydrogen bond breakage in mice. 3-Methyl-d3-indole is the labeled analogue of 3-Methylindole (M313470), A naturally abundant pneumotoxin, found primarily in mammalian feces providing its strong fecal odor.<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 Huijzer, J., et. al.: Toxicol. Appl. Pharm., 90, 60 (1987); 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>Applications The selenocyanation and thiocyanation of electron rich arene, 1-Methylindole, achieved using N-iodosuccinimide (NIS) as a catalyst and aqueous tert-Bu hydroperoxide (TBHP) as an oxidant at room temperature.<br>References Muniraj, N., et al.: ChemistrySelect, 1, 1033-1038 (2016)<br></p>

<p>Applications 1-Methyl-1h-1,2,4-triazol-3-amine (cas# 49607-51-4) is a useful research chemical.<br></p>

<p>Applications 6-Methylpurine (cas# 2004-03-7) is a compound useful in organic synthesis.<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></p>

<p>Stability Hygroscopic<br>Applications Decanoyl-L-carnitine-d3 Chloride is the isotope labelled analog of Decanoyl-L-carnitine Chloride (D212580); a metabolite of L-Carnitine (C184110) which is an essential cofactor of fatty acid metabolism. Also required for the transport of fatty acids through the inner mitochondrial membrane.<br>References Mitchell, M.E., et al.: Am. J. Clin. Nutr., 31, 293 (1978); Lango, R., et al.: Cardiovasc. Res., 51, 21 (2001); Vaz, F.M., et al.: Biochem. J., et al.: 361, 417 (2002); Karlic, H., et al.: Nutrition, 20, 709 (2004)<br></p>

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

<p>Applications N-Fmoc-L-tyrosine Benzyl Ester is used to synthesize truncated analogues of preptin-(1-16) as possible osteoblast proliferation stimulant. It is also an intermediate used to prepare phosphotyrosinyl phosphoramidite derivatives useful in the incorporation of multiple reporter groups on synthetic oligonucleotides.<br>References Kowalczyk, R., et al.: Bioorg. Med. Chem., 22, 3565 (2014); Misiura, K., et al.: Nucl. Acids Res., 18, 4345 (1990)<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>