2215-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2215-51-2 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 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2215-51:
(6*2)+(5*2)+(4*1)+(3*5)+(2*5)+(1*1)=52
52 % 10 = 2
So 2215-51-2 is a valid CAS Registry Number.