Carbadox
Title: Carbadox
CAS Registry Number: 6804-07-5
CAS Name: (2-Quinoxalinylmethylene)hydrazinecarboxylic acid methyl ester N,N¢-dioxide
Additional Names: 3-(2-quinoxalinylmethylene)carbazic acid methyl ester N,N¢-dioxide; methyl 3-(2-quinoxalinylmethylene)carbazate N1,N4-dioxide; 2-formylquinoxaline-1,4-dioxide carbomethoxyhydrazone
Manufacturers' Codes: GS-6244
Trademarks: Fortigro (Pfizer); Mecadox (Pfizer)
Molecular Formula: C11H10N4O4
Molecular Weight: 262.22
Percent Composition: C 50.38%, H 3.84%, N 21.37%, O 24.41%
Literature References: Prepn: Johnston, BE 669353; idem, US 3371090; US 3433871 (1964, 1968, 1969, all to Pfizer). Animal studies: Thrasher et al., J. Anim. Sci. 26, 911 (1967); Kornegay et al., ibid. 27, 1134 (1968).
Properties: Minute yellow crystals, mp 239.5-240°. uv max (water): 236, 251, 303, 366, 373 nm (e 11000, 10900, 36400, 16100, 16200). Practically insol in water.
Melting point: mp 239.5-240°
Absorption maximum: uv max (water): 236, 251, 303, 366, 373 nm (e 11000, 10900, 36400, 16100, 16200)
Therap-Cat-Vet: Antimicrobial.

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