129663-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129663-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,6 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129663-75:
(8*1)+(7*2)+(6*9)+(5*6)+(4*6)+(3*3)+(2*7)+(1*5)=158
158 % 10 = 8
So 129663-75-8 is a valid CAS Registry Number.