Title: Carbarsone
CAS Registry Number: 121-59-5
CAS Name: [4-[(Aminocarbonyl)amino]phenyl]arsonic acid
Synonyms: N-carbamoylarsanilic acid;
p-ureidobenzenearsonic acid;
N-carbamylarsanilic acid;
p-carbamidobenzenearsonic acid; 4-ureido-1-phenylarsonic acid; 4-carbamylaminophenylarsonic acid;
p-arsonophenylurea
Trademarks: Amabevan; Ameban; Amibiarson; Arsambide; Carb-O-Sep (Rohm & Haas); Histocarb (Rohm & Haas); Fenarsone; Leucarsone; Aminarsone; Amebarsone (Lilly)
Molecular Formula: C7H9AsN2O4
Molecular Weight: 260.08
Percent Composition: C 32.33%, H 3.49%, As 28.81%, N 10.77%, O 24.61%
Literature References: Prepd from the sodium salt of arsanilic acid by treatment with potassium cyanate or cyanogen bromide:
DE 213155; Stickings,
J. Chem. Soc. 1928, 3131; from arsanilic acid by treatment with phosgene: Nakatsu, Kawase,
Annu. Rep. Takamine Lab. 8, 44-47 (1956);
JP 58 4418 (1958 to Sankyo). Toxicity study: N. A. David
et al., Proc. Soc. Exp. Biol. Med. 29, 125 (1931).
Properties: White powder. mp 174°. Slightly sol in water, alcohol; sol in solns of alkali hydroxides and carbonates. The satd aq soln is acid to litmus. Nearly insol in ether or chloroform.
Melting point: mp 174°
Therap-Cat: Antiamebic.
Therap-Cat-Vet: Antihistomonad in turkeys.
Keywords: Antiamebic.