490038-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 490038-99-8 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 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 490038-99:
(8*4)+(7*9)+(6*0)+(5*0)+(4*3)+(3*8)+(2*9)+(1*9)=158
158 % 10 = 8
So 490038-99-8 is a valid CAS Registry Number.