72116-70-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72116-70-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,1 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72116-70:
(7*7)+(6*2)+(5*1)+(4*1)+(3*6)+(2*7)+(1*0)=102
102 % 10 = 2
So 72116-70-2 is a valid CAS Registry Number.