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1629161-40-5

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1629161-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1629161-40-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,9,1,6 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1629161-40:
(9*1)+(8*6)+(7*2)+(6*9)+(5*1)+(4*6)+(3*1)+(2*4)+(1*0)=165
165 % 10 = 5
So 1629161-40-5 is a valid CAS Registry Number.

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