CAS No 89796-99-6 , 2-[2-[2-(2,6-dichloroanilino)phenyl]acetyl]oxyacetic acid

Title: Aceclofenac
CAS Registry Number: 89796-99-6
CAS Name: 2-[(2,6-Dichlorophenyl)amino]benzeneacetic acid carboxymethyl ester
Synonyms: 2-[(2,6-dichlorophenyl)amino]phenylacetoxyacetic acid; glycolic acid [o-(2,6-dichloroanilino)phenyl]acetate ester
Manufacturers' Codes: PR-82/3
Trademarks: Airtal (Prodes); Falcol (Bayer); Gerbin (Sanofi Winthrop); Preservex (BMS)
Molecular Formula: C16H13Cl2NO4
Molecular Weight: 354.18
Percent Composition: C 54.26%, H 3.70%, Cl 20.02%, N 3.95%, O 18.07%
Literature References: Prepn: A. V. Casas, ES 8404783; idem, US 4548952 (1984, 1985 both to Prodes). Gastrointestinal tolerance in rats in comparison with diclofenac, q.v.: V. Rimbau et al., Farmaco Ed. Prat. 43, 19 (1988). Clinical trial in comparison with acetaminophen, q.v., in episiotomal pain: A. Yscla, Drugs Exp. Clin. Res. 14, 491 (1988). Clinical evaluation in rheumatoid arthritis: R. Ballesteros et al., Clin. Trials J. 27, 12 (1990).
Properties: White crystals from cyclohexane, mp 149-150°. uv max (ethanol): 275 nm (log e 4.14).
Melting point: mp 149-150°
Absorption maximum: uv max (ethanol): 275 nm (log e 4.14)
Therap-Cat: Anti-inflammatory; analgesic.
Keywords: Analgesic (Non-Narcotic); Anti-inflammatory (Nonsteroidal); Arylacetic Acid Derivatives.