1-Ethyl-8,9-dihydro-7H-2-oxa-benzo[cd]azulen-6-one is a complex organic compound with a molecular formula of C15H18O2. It belongs to the class of benzo[cd]azulen-6-ones, which are derivatives of the benzoazulene family. This specific compound features a seven-membered ring with a fused oxa (oxygen-containing) group, an ethyl substituent at the 1-position, and a carbonyl group at the 6-position. The 8,9-dihydro prefix indicates that the molecule has two additional hydrogen atoms, which are part of a saturated ring structure. 1-ethyl-8,9-dihydro-7H-2-oxa-benzo[cd]azulen-6-one is characterized by its unique molecular structure and potential applications in various chemical and pharmaceutical industries.
The CAS Registry Mumber 1018-63-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,1 and 8 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1018-63: (6*1)+(5*0)+(4*1)+(3*8)+(2*6)+(1*3)=49 49 % 10 = 9 So 1018-63-9 is a valid CAS Registry Number.