28012-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28012-04-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,1 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28012-04:
(7*2)+(6*8)+(5*0)+(4*1)+(3*2)+(2*0)+(1*4)=76
76 % 10 = 6
So 28012-04-6 is a valid CAS Registry Number.