77804-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77804-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,0 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77804-11:
(7*7)+(6*7)+(5*8)+(4*0)+(3*4)+(2*1)+(1*1)=146
146 % 10 = 6
So 77804-11-6 is a valid CAS Registry Number.