5-ethyl-6,7-dihydro-4-oxa-13-aza-benzo[cd]naphtho[2,3-f]azulene-8-carboxylic acid is a complex organic compound with a molecular formula of C18H17NO3. It belongs to the class of chemical compounds known as benzo-fused azulenes, which are derivatives of the azulene structure with a benzene ring fused to it. This specific compound features a carboxylic acid functional group at the 8-position, an ethyl group at the 5-position, and a 4-oxa-13-aza ring system, which includes an oxygen atom and a nitrogen atom in the ring structure. The compound's unique structure and properties make it potentially useful in various chemical and pharmaceutical applications, although specific uses are not detailed here.
The CAS Registry Mumber 1101-46-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,0 and 1 respectively; the second part has 2 digits, 4 and 6 respectively. Calculate Digit Verification of CAS Registry Number 1101-46: (6*1)+(5*1)+(4*0)+(3*1)+(2*4)+(1*6)=28 28 % 10 = 8 So 1101-46-8 is a valid CAS Registry Number.