Building Blocks

<p>Impurity Aspartame EP Impurity C<br>Applications L-Phenylalanine (Aspartame EP Impurity C) is 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. Neuroprotective product.<br>References Hollunger, G. et al.: Acta Pharmacol. Toxicol., 34, 391 (1974); Bagchi, S.P. et al.: Biochem. Pharmacol., 26, 900 (1977);<br></p>

<p>Applications Reagent used in labelled pyrimidine and purine 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>References Das, S., et al.: J. Med. Chem., 52, 5937 (2009), Kim, K., et al.: Bioorg. Med. Chem. Lett., 19, 5225 (2009),<br></p>

<p>Applications D-Phenylalanine, the stereoisomer of L-Phenylalanine (P319415) has been used in the synthesis of Schaeffer’s acid analogues as important structures in tuberculostatic design. They exhibit the ability to inhibit Mycobacterium tuberculosis type II dehydroquinase.<br>References Schmidt, M. et al.: ChemMedChem., 8, 54 (2013);<br></p>

<p>Applications Hydroxyacetone is a chemical reagent used in various organic chemical reactions. It is a component of the Mannich reaction, amino acid caalyzes direct asymmetric aldol reactions. In the pharmaceutical setting, this compound is used in the synthesis of imidazoles acting as potent and orally active antihypertensive agents.<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 Sakthivel, K. et al.: J. Am. Chem. Soc., 123, 5260 (2001); Carini, D. et al.: J. Med. CHem., 34, 2525 (1991); List, B. et al.: J. Am. Chem. Soc., 122, 9336 (2000);<br></p>

<p>Applications N-(2,6-Diisopropylphenylcarbamoylmethyl)iminodiacetic Acid (cas# 65717-97-7) is a compound useful in organic synthesis.<br></p>

<p>Applications Shows some anti-viral activity due to the adamantane structure. In addition it shows anti-microbial activity and cytotoxic application.<br>References Aigami, K. et al.: J. Med. Chem., 18, 713 (1975); Aigami, K. et al.: J. Pharm. Res., 4, 1407 (2011);<br></p>

<p>Applications cis-1-Butene-1,4-diol is used in the synthesis of bezoxazinyl-oxazolidinones as promising antbacterial agents. Also used in the preparation of AMF-26, an antitumor agent for inhibition of the golgi system, targeting a specific ribosylation factor.<br>References Guo, B. et al.: J. Med. CHem., 56, 2642 (2013); Shiina, I. et al.: J. Med. CHem., 56, 150 (2013);<br></p>

<p>Applications Cyclopropanecarboxylic Acid is used as a reagent in the synthesis of substituted 4-(thiophen-2-ylmethyl)-2H-phthalazin-1-ones as potent PARP-1 inhibitors. Also used as a reagent in the synthesis of 2-alkyloxazoles as potent and selective PI4KIIIβ inhibitors demonstrating inhibition of HCV replication.<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 Wang, L., et al.: Bioorg. Med. Chem. Lett., 24, 3739 (2014); Keaney, E.P., et al.: Bioorg. Med. Chem. Lett., 24, 3714 (2014)<br></p>

<p>Applications Cyclooctatetraene is used as a reactant in the synthesis of tricyclo[4.2.2.02,5]dec-9-ene-3,4,7,8-tetracarboxylic acid diimide, an antitumor drug.<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 Vishnuvajjala, B.R., Cradock, J.C.: J. Pharm. Sci., 75, 301 (1986)<br></p>

<p>Stability Moisture Sensitive<br>Applications Reagent for fluorescent labelling of amines, amino acids and proteins.<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 Weber, G., et al.: Biochem. J., et al.: 51, 155 (1952), Kinoshita, T., et al.: Anal. Biochem., 66,104 (1975), Marks, R., et al.: Br. J. Dermatol., 111, 265 (1984),<br></p>

<p>Applications Pentafluorobenzoic acid (cas# 602-94-8) is a useful research chemical.<br></p>

<p>Applications Methyl 4-Chloropicolinate (cas# 24484-93-3) is a compound useful in organic synthesis.<br></p>

<p>Applications Biphenyl-3,3'-dicarboxylic acid<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>Applications Dansylhydrazine is a fluorescent marker for carbonyl compounds.<br></p>

<p>Stability Moisture sensitive<br>Applications Diisopropyl Phosphorochloridate is a phosphorylating agent.<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 Sartori: Chem. Rev., 48, (1951), Nachmansohn, et al.: Adv. Enzymology, 12, 259 (1951)<br></p>

<p>Applications 1,4-Butane Sultone is an alkylating agent with weak carcinogenic activity.<br>References Van Duuren, B.L. et al.: J. Nat. Cancer Inst., 53, 696 (1974); Druckrey, H. et al.: Zeitsch. Krebsforsch.,75, 69 (1970);<br></p>

<p>Applications Adipic Acid Monoethyl Ester is used in the selection of streptavidin binder from DNA-encoded chemical library. Reagent in the synthetic preparation of colchicine-SAHA hybrids as antitumor agents.<br>References Dumelin, C. E., et al.: Bioconjugate Chemistry, 17,366 (2006); Zhang, X., et al.: Bioorg. Med. Chem., 21, 3240 (2013)<br></p>