Title: Clazuril
CAS Registry Number: 101831-36-1
CAS Name: 2-Chloro-a-(4-chlorophenyl)-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3
H)-yl)benzeneacetonitrile
Synonyms: (±)-[2-chloro-4-(4,5-dihydro-3,5-dioxo-
as-triazin-2(3
H)-yl)phenyl](
p-chlorophenyl)acetonitrile
Trademarks: Appertex (Janssen)
Molecular Formula: C17H10Cl2N4O2
Molecular Weight: 373.19
Percent Composition: C 54.71%, H 2.70%, Cl 19.00%, N 15.01%, O 8.57%
Literature References: Prepn: G. M. Boeckx
et al., EP 170316;
eidem, US 4631278 (both 1986 to Janssen). Anticoccidial effect in pigeons: W. Coussement
et al., Res. Vet. Sci. 45, 117 (1988).
Properties: mp 196.8°.
Melting point: mp 196.8°
Therap-Cat-Vet: Coccidiostat.