42219-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42219-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,1 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42219-93:
(7*4)+(6*2)+(5*2)+(4*1)+(3*9)+(2*9)+(1*3)=102
102 % 10 = 2
So 42219-93-2 is a valid CAS Registry Number.