77764-66-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77764-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,6 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77764-66:
(7*7)+(6*7)+(5*7)+(4*6)+(3*4)+(2*6)+(1*6)=180
180 % 10 = 0
So 77764-66-0 is a valid CAS Registry Number.