161167-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161167-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,6 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161167-56:
(8*1)+(7*6)+(6*1)+(5*1)+(4*6)+(3*7)+(2*5)+(1*6)=122
122 % 10 = 2
So 161167-56-2 is a valid CAS Registry Number.