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134958-71-7

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134958-71-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134958-71-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,5 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134958-71:
(8*1)+(7*3)+(6*4)+(5*9)+(4*5)+(3*8)+(2*7)+(1*1)=157
157 % 10 = 7
So 134958-71-7 is a valid CAS Registry Number.

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