62019-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62019-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,0,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 62019-04:
(7*6)+(6*2)+(5*0)+(4*1)+(3*9)+(2*0)+(1*4)=89
89 % 10 = 9
So 62019-04-9 is a valid CAS Registry Number.