Formulation: A solid
Formal Name: phosphorothioic acid O,O-dimethyl O-(3,5,6-trichloro-2-pyridinyl) ester
Purity: ≥98%
Formula Markup: C7H7Cl3NO3PS
Formula Weight: 322,5
Shelf life (days): 1460
CAS Number: 5598-13-0
Notes: Chlorpyrifos-methyl is an organophosphate insecticide that induces 100, 100, 63, and 97.3% mortality of the adult stored-grain pests L. bostrychophila, L. decolor, L. entomophila, and L. paeta, respectively, when applied to grain at a dose of 10 mg/kg.{39921} It also reduces the number of live progeny produced by L. bostrychophila, L. decolor, L. entomophila, and L. paeta by 100, 100, 30.4, and 41.1%, respectively, when applied to grain at a dose of 2.5 mg/kg. Chlorpyrifos-methyl (3 μM) reduces outgrowth of axon-like processes in mouse N2a neuroblastoma cells.{39923} Administration of chlorpyrifos-methyl (4-100 mg/kg) to pregnant female mice decreases H19 gene methylation in sperm as well as decreases anogenital distance and increases thymus and epididymis weights and serum testosterone levels in male offspring.{39922}
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