133. Actarit

Nomenclature

CAS number: 18699-02-0
4-(Acetylamino)benzeneacetic acid; (p-acetamidophenyl)acetic acid; MS-932; Mover (Mitsubishi Kasei); Orcl (Nippon Shinyaku).
C10H11NO3; mol wt 193.20.
C 62.17%, H 5.74%, N 7.25%, O 24.84%.

Description and references

Immunomodulator. Prepn: S. Gabriel, Ber. 15, 834 (1882). See also: H. Munakata et al., DE 3317107; eidem, US 4720506 (1983, 1988 both to Mitsubishi Chem. Ind. and Nippon Shinyaku). Pharmacology: H. Fujisawa et al., Arzneim.-Forsch. 40, 693 (1990). Pharmacokinetics: K. Sugihara et al., ibid. 800, 806. Antiarthritic effect in mice: H. Fujisawa et al., ibid. 44, 64 (1994). Acute toxicity: K. Toshida et al., Oyo Yakuri 40, 117 (1990), C.A. 114, 17276q (1991).

Chemical structure

Properties

Odorless, white crystals or crystalline powder. mp 173-175° (Munakata); also reported as mp 168-170° (Gabriel). Freely sol in methanol; sol in ethanol; sparingly sol in acetone; slightly sol in water; very slightly sol in ether. LD50 in male, female mice, male, female rats (mg/kg): 1.06, 1.30, 1.95, 2.03 i.p.; 5.68, 5.48, 5.48, 6.12 s.c.; 15.3, 14.7, 14.8, 15.4 orally (Toshida).

Therapeutic Category

Antiarthritic.

Keywords

Antiarthritic/Antirheumatic