76766-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76766-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,6 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76766-19:
(7*7)+(6*6)+(5*7)+(4*6)+(3*6)+(2*1)+(1*9)=173
173 % 10 = 3
So 76766-19-3 is a valid CAS Registry Number.