Title: Tolbutamide
CAS Registry Number: 64-77-7
CAS Name: N-[(Butylamino)carbonyl]-4-methylbenzenesulfonamide
Synonyms: 1-butyl-3-(
p-tolylsulfonyl)urea; tolylsulfonylbutylurea; 3-(
p-tolyl-4-sulfonyl)-1-butylurea;
N-n-butyl-
N¢-tosylurea;
N¢-4-methylbenzenesulfonyl-
N¢¢-butylurea;
N-(sulfonyl-
p-methylbenzene)-
N¢-n-butylurea
Manufacturers' Codes: D-860; U-2043
Trademarks: Artosin (Roche); Diaben (Chugai); Dolipol (Aventis); Mobenol (Church & Dwight); Orabet (Berlin-Chemie); Orinase (Pharmacia & Upjohn); Oterben (Chinoin); Pramidex (Hospira); Rastinon (Aventis)
Molecular Formula: C12H18N2O3S
Molecular Weight: 270.35
Percent Composition: C 53.31%, H 6.71%, N 10.36%, O 17.75%, S 11.86%
Literature References: Description: Ehrhart,
Naturwissenschaften 43, 93 (1956). Prepn:
GB 808071; Aumüller, Herr,
DE 1066575 (both 1959 to Hoechst); Ruschig
et al., US 2968158 (1961 to Upjohn). Comprehensive description: W. F. Beyer, E. H. Jensen,
Anal. Profiles Drug Subs. 3, 513-543 (1974).
Properties: Crystals, mp 128.5-129.5°.
Melting point: mp 128.5-129.5°
Derivative Type: Sodium salt
CAS Registry Number: 473-41-6
Molecular Formula: C12H17N2NaO3S
Molecular Weight: 292.33
Percent Composition: C 49.30%, H 5.86%, N 9.58%, Na 7.86%, O 16.42%, S 10.97%
Properties: mp 130-133°. Tetrahydrate, mp 41-43°.
Melting point: mp 130-133°; mp 41-43°
Therap-Cat: Antidiabetic.
Therap-Cat-Vet: Hypoglycemic agent.
Keywords: Antidiabetic; Sulfonylurea Derivatives.