220075-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220075-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,0,7 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220075-82:
(8*2)+(7*2)+(6*0)+(5*0)+(4*7)+(3*5)+(2*8)+(1*2)=91
91 % 10 = 1
So 220075-82-1 is a valid CAS Registry Number.