72232-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72232-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,3 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72232-70:
(7*7)+(6*2)+(5*2)+(4*3)+(3*2)+(2*7)+(1*0)=103
103 % 10 = 3
So 72232-70-3 is a valid CAS Registry Number.