4212-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4212-22-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,1 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4212-22:
(6*4)+(5*2)+(4*1)+(3*2)+(2*2)+(1*2)=50
50 % 10 = 0
So 4212-22-0 is a valid CAS Registry Number.