12-07401. Phenopyrazone [Archived]

Nomenclature

CAS number: 3426-01-5
1,4-Diphenyl-3,5-pyrazolidinedione; 1,4-diphenyl-3,5-dioxopyrazolidine.
C15H12N2O2; mol wt 252.27.
C 71.42%, H 4.79%, N 11.10%, O 12.68%.

Description and references

Prepn: Kraft, US 2909465 (1959 to Knoll).

Chemical structure

Properties

Crystals, mp 233-234°. May be recrystallized from dioxane or ethyl acetate.

Therapeutic Category

Analgesic, antipyretic.

Keywords

Analgesic (Non-Narcotic); Antipyretic

Status

This monograph has been retired and is no longer subject to revision or update.