42414-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42414-16-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,4,1 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42414-16:
(7*4)+(6*2)+(5*4)+(4*1)+(3*4)+(2*1)+(1*6)=84
84 % 10 = 4
So 42414-16-4 is a valid CAS Registry Number.