72911-65-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72911-65-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,1 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72911-65:
(7*7)+(6*2)+(5*9)+(4*1)+(3*1)+(2*6)+(1*5)=130
130 % 10 = 0
So 72911-65-0 is a valid CAS Registry Number.