91765-79-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91765-79-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,6 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91765-79:
(7*9)+(6*1)+(5*7)+(4*6)+(3*5)+(2*7)+(1*9)=166
166 % 10 = 6
So 91765-79-6 is a valid CAS Registry Number.