13-09257. Tetrabarbital [Archived]

Nomenclature

CAS number: 76-23-3
5-Ethyl-5-(1-ethylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione; 5-ethyl-5-(1-ethylbutyl)barbituric acid; 5-ethyl-5-(1-ethylbutyl)malonylurea; JL-991; Butysal; Butysedal.
C12H20N2O3; mol wt 240.30.
C 59.98%, H 8.39%, N 11.66%, O 19.97%.

Description and references

Prepd from ethyl 2-ethyl-2-(1-ethylbutyl)malonate + urea: Kopp, Tchoubar, Bull. Soc. Chim. Fr. 1951, 30; Tchoubar, FR 1020357 (1953), C.A. 53, 1389a.

Chemical structure

Properties

Crystals, mp 122°.

Note

This is a controlled substance (depressant): 21 CFR, 1308.13.

Therapeutic Category

Sedative, hypnotic.

Keywords

Sedative/Hypnotic; Barbituric Acid Derivatives

Status

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