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256658-02-3

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256658-02-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256658-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,6,5 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 256658-02:
(8*2)+(7*5)+(6*6)+(5*6)+(4*5)+(3*8)+(2*0)+(1*2)=163
163 % 10 = 3
So 256658-02-3 is a valid CAS Registry Number.

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