129836-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129836-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,3 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129836-80:
(8*1)+(7*2)+(6*9)+(5*8)+(4*3)+(3*6)+(2*8)+(1*0)=162
162 % 10 = 2
So 129836-80-2 is a valid CAS Registry Number.