12134-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12134-29-1 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, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 12134-29:
(7*1)+(6*2)+(5*1)+(4*3)+(3*4)+(2*2)+(1*9)=61
61 % 10 = 1
So 12134-29-1 is a valid CAS Registry Number.