4490-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4490-22-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,9 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4490-22:
(6*4)+(5*4)+(4*9)+(3*0)+(2*2)+(1*2)=86
86 % 10 = 6
So 4490-22-6 is a valid CAS Registry Number.