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1815617-98-1

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1815617-98-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1815617-98-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,1,5,6,1 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1815617-98:
(9*1)+(8*8)+(7*1)+(6*5)+(5*6)+(4*1)+(3*7)+(2*9)+(1*8)=191
191 % 10 = 1
So 1815617-98-1 is a valid CAS Registry Number.

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