139174-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139174-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,7 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139174-12:
(8*1)+(7*3)+(6*9)+(5*1)+(4*7)+(3*4)+(2*1)+(1*2)=132
132 % 10 = 2
So 139174-12-2 is a valid CAS Registry Number.