202215-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202215-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,2,1 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 202215-66:
(8*2)+(7*0)+(6*2)+(5*2)+(4*1)+(3*5)+(2*6)+(1*6)=75
75 % 10 = 5
So 202215-66-5 is a valid CAS Registry Number.