776-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 776-82-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 776-82:
(5*7)+(4*7)+(3*6)+(2*8)+(1*2)=99
99 % 10 = 9
So 776-82-9 is a valid CAS Registry Number.