77965-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77965-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,6 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77965-71:
(7*7)+(6*7)+(5*9)+(4*6)+(3*5)+(2*7)+(1*1)=190
190 % 10 = 0
So 77965-71-0 is a valid CAS Registry Number.