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305858-17-7

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305858-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 305858-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,8,5 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 305858-17:
(8*3)+(7*0)+(6*5)+(5*8)+(4*5)+(3*8)+(2*1)+(1*7)=147
147 % 10 = 7
So 305858-17-7 is a valid CAS Registry Number.

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