12134-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12134-12-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,3 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 12134-12:
(7*1)+(6*2)+(5*1)+(4*3)+(3*4)+(2*1)+(1*2)=52
52 % 10 = 2
So 12134-12-2 is a valid CAS Registry Number.