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155646-23-4

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155646-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155646-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,4 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155646-23:
(8*1)+(7*5)+(6*5)+(5*6)+(4*4)+(3*6)+(2*2)+(1*3)=144
144 % 10 = 4
So 155646-23-4 is a valid CAS Registry Number.

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