129871-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129871-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,7 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129871-07:
(8*1)+(7*2)+(6*9)+(5*8)+(4*7)+(3*1)+(2*0)+(1*7)=154
154 % 10 = 4
So 129871-07-4 is a valid CAS Registry Number.