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197007-99-1

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197007-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197007-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,0,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197007-99:
(8*1)+(7*9)+(6*7)+(5*0)+(4*0)+(3*7)+(2*9)+(1*9)=161
161 % 10 = 1
So 197007-99-1 is a valid CAS Registry Number.

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