3224-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3224-33-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,2 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3224-33:
(6*3)+(5*2)+(4*2)+(3*4)+(2*3)+(1*3)=57
57 % 10 = 7
So 3224-33-7 is a valid CAS Registry Number.