6474-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6474-42-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,7 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6474-42:
(6*6)+(5*4)+(4*7)+(3*4)+(2*4)+(1*2)=106
106 % 10 = 6
So 6474-42-6 is a valid CAS Registry Number.