42842-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42842-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,4 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42842-68:
(7*4)+(6*2)+(5*8)+(4*4)+(3*2)+(2*6)+(1*8)=122
122 % 10 = 2
So 42842-68-2 is a valid CAS Registry Number.