494189-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 494189-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,4,1,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 494189-23:
(8*4)+(7*9)+(6*4)+(5*1)+(4*8)+(3*9)+(2*2)+(1*3)=190
190 % 10 = 0
So 494189-23-0 is a valid CAS Registry Number.