1,3,9-Tridehydro[16]annulen is a polycyclic aromatic hydrocarbon (PAH) consisting of a 16-membered annulene ring with three double bonds at positions 1, 3, and 9. 1,3,9-Tridehydro<16>annulen is characterized by its unique structure, which features a combination of aromatic and non-aromatic carbon atoms. The presence of these double bonds and the annulene ring system contribute to its distinct electronic properties and potential applications in various fields, such as materials science and organic chemistry. Due to its complex structure, 1,3,9-tridehydro[16]annulen may exhibit interesting chemical reactivity and stability, making it a subject of interest for researchers studying the properties and potential applications of PAHs and other cyclic compounds.
The CAS Registry Mumber 20923-44-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,2 and 3 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 20923-44: (7*2)+(6*0)+(5*9)+(4*2)+(3*3)+(2*4)+(1*4)=88 88 % 10 = 8 So 20923-44-8 is a valid CAS Registry Number.