42196-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42196-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,9 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42196-84:
(7*4)+(6*2)+(5*1)+(4*9)+(3*6)+(2*8)+(1*4)=119
119 % 10 = 9
So 42196-84-9 is a valid CAS Registry Number.