6776-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6776-46-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,7 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6776-46:
(6*6)+(5*7)+(4*7)+(3*6)+(2*4)+(1*6)=131
131 % 10 = 1
So 6776-46-1 is a valid CAS Registry Number.