76768-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76768-93-9 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 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76768-93:
(7*7)+(6*6)+(5*7)+(4*6)+(3*8)+(2*9)+(1*3)=189
189 % 10 = 9
So 76768-93-9 is a valid CAS Registry Number.