CAS Number: 56-38-2
Chemical Name: Parathion
Molecular Formula: C10H14NO5PS
Molecular Weight: 291.26

CAS Number: 350820-04-1
Chemical Name: Parathion-d10
Molecular Formula: C10H4D10NO5PS
Molecular Weight: 301.32

CAS Number: 96740-32-8
Chemical Name: Parathion-methyl-d6
Molecular Formula: C8H4D6NO5PS
Molecular Weight: 269.24