22730-48-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22730-48-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,3 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22730-48:
(7*2)+(6*2)+(5*7)+(4*3)+(3*0)+(2*4)+(1*8)=89
89 % 10 = 9
So 22730-48-9 is a valid CAS Registry Number.