129532-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129532-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,5,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129532-20:
(8*1)+(7*2)+(6*9)+(5*5)+(4*3)+(3*2)+(2*2)+(1*0)=123
123 % 10 = 3
So 129532-20-3 is a valid CAS Registry Number.