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25648-67-3

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25648-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25648-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,4 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25648-67:
(7*2)+(6*5)+(5*6)+(4*4)+(3*8)+(2*6)+(1*7)=133
133 % 10 = 3
So 25648-67-3 is a valid CAS Registry Number.

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