42124-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42124-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,2 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42124-66:
(7*4)+(6*2)+(5*1)+(4*2)+(3*4)+(2*6)+(1*6)=83
83 % 10 = 3
So 42124-66-3 is a valid CAS Registry Number.