| Title:  Clofibric Acid CAS Registry Number:  882-09-7 CAS Name:  2-(4-Chlorophenoxy)-2-methylpropanoic acid Additional Names:  2-(p-chlorophenoxy)-2-methylpropionic acid;  a-(p-chlorophenoxy)isobutyric acid;  chlorophibrinic acid Trademarks:  Arteriohom (Weisskopf);  Regulipid (Heilit) Molecular Formula:  C10H11ClO3 Molecular Weight:  214.65 Percent Composition:  C 55.95%, H 5.17%, Cl 16.52%, O 22.36% Literature References:  Prepn:  Galimberti, Defranceschi, Gazz. Chim. Ital. 77, 431 (1947); Gilman, Wilder, J. Am. Chem. Soc. 77, 6644 (1955); Jones et al., GB 860303 (1961 to I.C.I.).  Prepn and resolution of isomers:  Witiak et al., J. Med. Chem. 11, 1086 (1968).  Activity thought to be due to its displacement of thyroxin and its inhibition of cholesterol biosynthesis.  See Chang et al., Biochem. Pharmacol. 16, 2053 (1967); Walsh et al., Arch. Biochem. Biophys. 130, 7 (1969); Witiak et al., J. Med. Chem. 14, 754 (1971).  Metabolism:  Almirante et al., Boll. Chim. Farm. 108, 292 (1969). Properties:  Crystals from water or methanol, mp 118-119°. Melting point:  mp 118-119°   Derivative Type:  Basic aluminum salt  CAS Registry Number:  24818-79-9 Trademarks:  Alufibrate;  Atherolip;  Atherolipin (Schwarz) Molecular Formula:  C20H21AlCl2O7 Molecular Weight:  471.26 Percent Composition:  C 50.97%, H 4.49%, Al 5.73%, Cl 15.05%, O 23.77%   Derivative Type:  Magnesium salt  CAS Registry Number:  14613-30-0 Additional Names:  Magnesium clofibrate Manufacturers' Codes:  UR-112 Trademarks:  Clomag Molecular Formula:  C20H20Cl2MgO6 Molecular Weight:  451.58 Percent Composition:  C 53.19%, H 4.46%, Cl 15.70%, Mg 5.38%, O 21.26% Properties:  White powder, mp 326-328°.  Soly in g/100 mg:  water 4.5; abs ethanol 0.7; chloroform 0.02. Melting point:  mp 326-328°   Derivative Type:  Pyridoxine salt  CAS Registry Number:  29952-87-2 Additional Names:  Pyridoxine p-chlorophenoxyisobutyrate Trademarks:  Claresan Molecular Formula:  C10H11ClO3.C8H11NO3 Molecular Weight:  383.82 Percent Composition:  C 56.33%, H 5.78%, Cl 9.24%, O 25.01%, N 3.65% Literature References:  Prepn:  Sarbach et al., DE 1915497 (1970 to Inst. Rech. Sci.), C.A. 74, 13011g (1971).   Derivative Type:  Ethyl ester see Clofibrate   Derivative Type:  Etofylline ester see Theofibrate   Therap-Cat:  Antilipemic. Keywords:  Antilipemic; Fibrates.  |