42116-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42116-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,1 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42116-51:
(7*4)+(6*2)+(5*1)+(4*1)+(3*6)+(2*5)+(1*1)=78
78 % 10 = 8
So 42116-51-8 is a valid CAS Registry Number.