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131691-21-9

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131691-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131691-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,9 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131691-21:
(8*1)+(7*3)+(6*1)+(5*6)+(4*9)+(3*1)+(2*2)+(1*1)=109
109 % 10 = 9
So 131691-21-9 is a valid CAS Registry Number.

131691-21-9Downstream Products

131691-21-9Relevant articles and documents

Synthesis, insecticidal and antifeedant activities of new type of pyrethroid esters

Prasad Rao,Srimannarayana,Sundaramurthy

, p. 1034 - 1040 (2007/10/02)

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