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1556451-30-9

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1556451-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1556451-30-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,6,4,5 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1556451-30:
(9*1)+(8*5)+(7*5)+(6*6)+(5*4)+(4*5)+(3*1)+(2*3)+(1*0)=169
169 % 10 = 9
So 1556451-30-9 is a valid CAS Registry Number.

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