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156458-93-4

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156458-93-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156458-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,5 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 156458-93:
(8*1)+(7*5)+(6*6)+(5*4)+(4*5)+(3*8)+(2*9)+(1*3)=164
164 % 10 = 4
So 156458-93-4 is a valid CAS Registry Number.

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