22767-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22767-80-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,6 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22767-80:
(7*2)+(6*2)+(5*7)+(4*6)+(3*7)+(2*8)+(1*0)=122
122 % 10 = 2
So 22767-80-2 is a valid CAS Registry Number.