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138847-18-4

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138847-18-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138847-18-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,4 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138847-18:
(8*1)+(7*3)+(6*8)+(5*8)+(4*4)+(3*7)+(2*1)+(1*8)=164
164 % 10 = 4
So 138847-18-4 is a valid CAS Registry Number.

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