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81256-33-9

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81256-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81256-33-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,5 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81256-33:
(7*8)+(6*1)+(5*2)+(4*5)+(3*6)+(2*3)+(1*3)=119
119 % 10 = 9
So 81256-33-9 is a valid CAS Registry Number.

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