494189-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 494189-25-2 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 494189-25:
(8*4)+(7*9)+(6*4)+(5*1)+(4*8)+(3*9)+(2*2)+(1*5)=192
192 % 10 = 2
So 494189-25-2 is a valid CAS Registry Number.