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155581-89-8

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155581-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155581-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,5,8 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155581-89:
(8*1)+(7*5)+(6*5)+(5*5)+(4*8)+(3*1)+(2*8)+(1*9)=158
158 % 10 = 8
So 155581-89-8 is a valid CAS Registry Number.

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