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28891-29-4

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28891-29-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28891-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,9 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28891-29:
(7*2)+(6*8)+(5*8)+(4*9)+(3*1)+(2*2)+(1*9)=154
154 % 10 = 4
So 28891-29-4 is a valid CAS Registry Number.

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