22676-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22676-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,7 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22676-17:
(7*2)+(6*2)+(5*6)+(4*7)+(3*6)+(2*1)+(1*7)=111
111 % 10 = 1
So 22676-17-1 is a valid CAS Registry Number.