12103-36-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12103-36-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,0 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 12103-36:
(7*1)+(6*2)+(5*1)+(4*0)+(3*3)+(2*3)+(1*6)=45
45 % 10 = 5
So 12103-36-5 is a valid CAS Registry Number.