CAS Number: Not commonly listed for this specific structure but would be unique if accurate Molecular Formula: C15H20O (assuming the intended structure is 1,1,4,4,6-Pentamethyl-1,2,3,4-tetrahydronaphthalene) Molecular Weight: 204.32 (based on the assumed formula) Appearance: Likely a colorless to white solid Structure: Contains a naphthalene ring with two methyl groups at the 1 and 4 positions, an additional methyl group at the 6-position, and saturation of the ring system to form a tetrahydro derivative.,Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.