chlorpyrifos

(redirected from Chlorpyrifos-methyl)
Also found in: Dictionary, Thesaurus.
A highly toxic crystalline acetylcholinesterase-inhibiting organophosphate insecticide used to control insect pests. It is a neurotoxin and suspected endocrine disruptor, and has been associated with asthma, reproductive and developmental toxicity, and acute toxicity

chlorpyrifos

an organophosphorus insecticide used widely for the control of ectoparasites on animals and in the treatment of their environment.
References in periodicals archive ?
This trend in dc V implied a recovering trajectory as invoked by, for example, DMT, sodium L-ascorbate, octanoic acid, chlorpyrifos-methyl, fludioxonil, and tetramethrin.
From top to bottom, each row of heat maps shows the perturbations produced by increasing concentrations of (A) octanoic acid, (B) dimethyl terephthalate, (C) chlorpyrifos-methyl, (D) butachlor, (E) dicofol, and (F) oxadiazon.
Two qualitatively different B-esterases from two organophosphate-resistant strains of Oryzaephilus surinamensis (Coleoptera: Silvanidae) and their roles in fenitrothion and chlorpyrifos-methyl resistance, Pestic.
One chemical, chlorpyrifos-methyl (5598-13-0), was misclassified as a positive (FP) and one chemical, prochloraz (67747-09-5), was misclassified as a negative (FN) by this set of ToxCast assays.
granarius and Oryzaephilus surinamensis) collected during 1986 from 63 farms in South Wales, Australia were tested for resistance to malathion, fenitrothion, carbaryl, bioresmethrin, pirimiphos-methyl, chlorpyrifos-methyl and phosphine using the filter paper method (Herron, 1990).
Monitoring for resistance to chlorpyrifos-methyl, pirimiphos-methyl and Malathion in Kansas populations of stored-product insects.
general population is exposed to chlorpyrifos, chlorpyrifos-methyl, their oxons, TCPy, or a combination of these chemicals.
We have presented individual and population-level urinary metabolite data indicating widespread exposure of children to the parent compounds of carbaryl or naphthalene; chlorpyrifos, chlorpyrifos-methyl, or triclopyr; and malathion.
TCP is largely specific for chlorpyrifos, although two other less common pesticides, chlorpyrifos-methyl and triclopyr, can also be metabolized to TCP.