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ψ
fipronil
under Pyrazoles
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Pyrazoles
Definition
: Azoles of two nitrogens at the 1,2 positions, next to each other, in contrast with IMIDAZOLES in which they are at the 1,3 positions.
includes pyrazolines & pyrazolidines
Substance
CAS Registry & name
Categories
Source
Drugs
*
fipronil [ 5-amino-1-(2,6-dichloro-alpha,alpha,alpha-trifluoro-p-tolyl)-4-trifluoromethylsulfinylpyrazole-3-carbonitile ]
has low mammalian toxicity; structure given in first source
120068-37-3
*Pyrazoles
Pharma Action
Antiparasitic Agents
;
Insecticides
Science 1993 Jul 30;261(5121):550-1