1228-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1228-70-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,2 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1228-70:
(6*1)+(5*2)+(4*2)+(3*8)+(2*7)+(1*0)=62
62 % 10 = 2
So 1228-70-2 is a valid CAS Registry Number.