2212-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2212-34-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,1 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2212-34:
(6*2)+(5*2)+(4*1)+(3*2)+(2*3)+(1*4)=42
42 % 10 = 2
So 2212-34-2 is a valid CAS Registry Number.