490039-00-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 490039-00-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,0,0,3 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 490039-00:
(8*4)+(7*9)+(6*0)+(5*0)+(4*3)+(3*9)+(2*0)+(1*0)=134
134 % 10 = 4
So 490039-00-4 is a valid CAS Registry Number.