20348-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20348-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,4 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20348-22:
(7*2)+(6*0)+(5*3)+(4*4)+(3*8)+(2*2)+(1*2)=75
75 % 10 = 5
So 20348-22-5 is a valid CAS Registry Number.