220367-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220367-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,3,6 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220367-71:
(8*2)+(7*2)+(6*0)+(5*3)+(4*6)+(3*7)+(2*7)+(1*1)=105
105 % 10 = 5
So 220367-71-5 is a valid CAS Registry Number.