129211-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129211-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,1 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129211-88:
(8*1)+(7*2)+(6*9)+(5*2)+(4*1)+(3*1)+(2*8)+(1*8)=117
117 % 10 = 7
So 129211-88-7 is a valid CAS Registry Number.