42124-08-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42124-08-3 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, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42124-08:
(7*4)+(6*2)+(5*1)+(4*2)+(3*4)+(2*0)+(1*8)=73
73 % 10 = 3
So 42124-08-3 is a valid CAS Registry Number.