89938-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89938-19-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,3 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89938-19:
(7*8)+(6*9)+(5*9)+(4*3)+(3*8)+(2*1)+(1*9)=202
202 % 10 = 2
So 89938-19-2 is a valid CAS Registry Number.