129118-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129118-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,1 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129118-13:
(8*1)+(7*2)+(6*9)+(5*1)+(4*1)+(3*8)+(2*1)+(1*3)=114
114 % 10 = 4
So 129118-13-4 is a valid CAS Registry Number.