42406-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42406-66-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,0 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42406-66:
(7*4)+(6*2)+(5*4)+(4*0)+(3*6)+(2*6)+(1*6)=96
96 % 10 = 6
So 42406-66-6 is a valid CAS Registry Number.