129338-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129338-75-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,3 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129338-75:
(8*1)+(7*2)+(6*9)+(5*3)+(4*3)+(3*8)+(2*7)+(1*5)=146
146 % 10 = 6
So 129338-75-6 is a valid CAS Registry Number.