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13621-45-9

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13621-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13621-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,2 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13621-45:
(7*1)+(6*3)+(5*6)+(4*2)+(3*1)+(2*4)+(1*5)=79
79 % 10 = 9
So 13621-45-9 is a valid CAS Registry Number.
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