76697-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76697-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,9 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76697-77:
(7*7)+(6*6)+(5*6)+(4*9)+(3*7)+(2*7)+(1*7)=193
193 % 10 = 3
So 76697-77-3 is a valid CAS Registry Number.