42168-47-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42168-47-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,6 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42168-47:
(7*4)+(6*2)+(5*1)+(4*6)+(3*8)+(2*4)+(1*7)=108
108 % 10 = 8
So 42168-47-8 is a valid CAS Registry Number.