Ácidos Graxos e Derivados Lipídicos

<p>Tributyrin (Glyceryl tributyrate), a neutral short-chain fatty acid triglyceride, is a stable and rapidly absorbed prodrug of Butyric Acid.</p>

<p>Applications Azelaic acid occurs in rancid oleic acid. Azelaic acid is an antiacne agent.<br>References Bladon, P.T., et al.: Br. J. Dermatol., 114, 493 (1986),<br></p>

<p>Impurity Ezetimibe Benzyl Ether Impurity<br>Applications Protected Ezetimibe, used for the synthesis of related derivatives.<br>References Raman, B., et al.: J. Pharm. Biomed. Anal., 52, 73 (2010),<br></p>

<p>Applications Impurity of poly lactic acid or lactic acid dimerization/epimerization. meso-Lactide can be polymerized using dibutyltin derivatives. meso-Lactide was also found to be formed during polylactide processing.<br>References Kricheldorf, Hans Rytger, et al.: J. of Polymer Sci., Part A: Polymer Chem., 56(7), 749-759 (2018); Salazar, Romulo, et al.: Polymer Degrad. and Stab. 136, 80-88  (2017)<br></p>

<p>Applications An impurity in Simvastatin (S485000).<br>References Sankar, D. et al.: Asian J. Chem., 21, 4294 (2009); Vuletic, M. et al.: J. Pharmac. Biomed. Anal., 37, 715 (2005);<br></p>

<p>Applications N-Desmethyl-N-cyclopentyl Tadalafil is used as a reagent to synthesize tetracyclic cGMP-specific phosphodiesterase inhibitors, compounds that have potential to treat cardiovascular disorders and erectile dysfunction.<br>References Daugan, A. &amp; Gellibert, F. Tetracyclic cGMP-specific Phosphodiesterase Inhibitors and Their Use in Disease Treatment. U.S. 6143746. Nov 7, 2000<br></p>

<p>Impurity Vildagliptin Amide Impurity<br>Applications N-(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)glycyl-L-prolinamide is an impurity of Vildagliptin (V305000) which is an oral anti-hyperglycemic agent that inhibit dipeptidyl peptidase 4 (DPP-4).<br>References Ahren, B., et al.: J. Clin. Endocrinol. Metab., 89, 2078 (2004), Ahren, B., et al.: Diabetes Care, 27, 2874 (2004), Barlocco, D., et al.: Curr. Opin. Invest. Drugs, 5, 1094 (2004),<br></p>

<p>Stability Light Sensitive<br>Applications Important polyunsaturated fatty acid of the marine food chain that serves as a precursor for the prostaglandin-3 and thromboxane-3 families. It differs from arachidonic acid (the eicosatetraenoic acid that is a precursor for the prostaglandin and thromboxane-2 families) by the extra double bond between the third and fourth carbons from the “methyl end” of the molecule. Antilipemic.<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 Bergstrom, S., et al.: J. Biol. Chem., 239, PC 4006 (1964), Srivastava, K.C., et al.: Biochem. Exp. Biol., 16, 317 (1980), Kremer, J.M., et al.: Ann. Intern. Med., 106, 497 (1987), DiGiacomo, R.A., et al.: Am. J. Med., 86, 158 (1989),<br></p>

<p>Stability Volatile<br>Applications Formic Acid is used as a potential energy source in the preparation of fuel cells. Also used in chemical synthesis of various anti-inflammatory and anti-microbial 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 Yu, X. et al.: J. Power Source., 182, 124 (2008); Bekhit, A. et al.: Bioorg. Med. Chem., 12, 1935 (2004);<br></p>

<p>Stability Hygroscopic<br>Applications Tadalafil. A phosphodiesterase 5 inhibitor.<br></p>