42427-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42427-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,2 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42427-67:
(7*4)+(6*2)+(5*4)+(4*2)+(3*7)+(2*6)+(1*7)=108
108 % 10 = 8
So 42427-67-8 is a valid CAS Registry Number.