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O,O-diethyl-S-(2-chlorocarbonylethyl)dithiophosphate, also known as 2-chlorocarbonylethyl diethyl dithiophosphate, is a chemical compound with the molecular formula C7H14ClO2PS2. It is an organophosphorus compound that belongs to the class of dithiophosphates. O,O-diethyl-S-(2-chlorocarbonylethyl)dithiophosphate is primarily used as an intermediate in the synthesis of various pesticides, particularly in the production of the insecticide malathion. It is a colorless to pale yellow liquid with a pungent odor and is known for its high reactivity and potential toxicity. Due to its hazardous nature, it is crucial to handle this chemical with extreme care, following proper safety protocols to minimize exposure and environmental impact.

665-76-9

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665-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 665-76-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 665-76:
(5*6)+(4*6)+(3*5)+(2*7)+(1*6)=89
89 % 10 = 9
So 665-76-9 is a valid CAS Registry Number.

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