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15638-09-2

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15638-09-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15638-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,3 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15638-09:
(7*1)+(6*5)+(5*6)+(4*3)+(3*8)+(2*0)+(1*9)=112
112 % 10 = 2
So 15638-09-2 is a valid CAS Registry Number.

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