764704-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 764704-76-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,4,7,0 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 764704-76:
(8*7)+(7*6)+(6*4)+(5*7)+(4*0)+(3*4)+(2*7)+(1*6)=189
189 % 10 = 9
So 764704-76-9 is a valid CAS Registry Number.