72660-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72660-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,6 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72660-96:
(7*7)+(6*2)+(5*6)+(4*6)+(3*0)+(2*9)+(1*6)=139
139 % 10 = 9
So 72660-96-9 is a valid CAS Registry Number.