220392-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220392-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,9 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 220392-40:
(8*2)+(7*2)+(6*0)+(5*3)+(4*9)+(3*2)+(2*4)+(1*0)=95
95 % 10 = 5
So 220392-40-5 is a valid CAS Registry Number.