Fenclozic Acid
Structural Formula Vector Image
Title: Fenclozic Acid
CAS Registry Number: 17969-20-9
CAS Name: 2-(4-Chlorophenyl)-4-thiazoleacetic acid
Additional Names: 2-(p-chlorophenyl)thiazol-4-ylacetic acid; acidum fenclozicum
Manufacturers' Codes: ICI-54450
Trademarks: Myalex (ICI)
Molecular Formula: C11H8ClNO2S
Molecular Weight: 253.70
Percent Composition: C 52.08%, H 3.18%, Cl 13.97%, N 5.52%, O 12.61%, S 12.64%
Literature References: Prepn: W. Hepworth, G. J. Stacey, NL 6614130; eidem, US 3538107 (1967, 1970 both to ICI); Aries, FR 1561433 (1969), C.A. 72, 43654y (1970). Pharmacology: W. Hepworth et al., Nature 221, 582 (1969); Newbould, Br. J. Pharmacol. 35, 487 (1969). Metabolic studies: Foulkes, J. Pharmacol. Exp. Ther. 172, 115, 449 (1970). Clinical evaluation: Chalmers et al., Ann. Rheum. Dis. 28, 590, 595 (1969).
Properties: Colorless crystalline solid from ethyl acetate, mp 155-156°. Soluble in most organic solvents; sparingly sol in water. LD50 in rats, mice (mg/kg): 850, 1000 orally; 250, 300 i.v. (Hepworth).
Melting point: mp 155-156°
Toxicity data: LD50 in rats, mice (mg/kg): 850, 1000 orally; 250, 300 i.v. (Hepworth)
Therap-Cat: Anti-inflammatory.
Keywords: Anti-inflammatory (Nonsteroidal); Arylacetic Acid Derivatives.

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