129399-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129399-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,9 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129399-00:
(8*1)+(7*2)+(6*9)+(5*3)+(4*9)+(3*9)+(2*0)+(1*0)=154
154 % 10 = 4
So 129399-00-4 is a valid CAS Registry Number.