77863-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77863-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,6 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77863-77:
(7*7)+(6*7)+(5*8)+(4*6)+(3*3)+(2*7)+(1*7)=185
185 % 10 = 5
So 77863-77-5 is a valid CAS Registry Number.