220166-33-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220166-33-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,6 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220166-33:
(8*2)+(7*2)+(6*0)+(5*1)+(4*6)+(3*6)+(2*3)+(1*3)=86
86 % 10 = 6
So 220166-33-6 is a valid CAS Registry Number.