426-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 426-76-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 426-76:
(5*4)+(4*2)+(3*6)+(2*7)+(1*6)=66
66 % 10 = 6
So 426-76-6 is a valid CAS Registry Number.