The 1-(2,6,6-Trimethyl-cyclohex-2-enyl)-but-2-en-1-one with the cas number 43052-87-5 is also called 2-Buten-1-one,1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-. The IUPAC name is (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one. Its molecular formula is C₁₃H₂₀O. This chemical is used in skin testing for immune competence.

The properties of the chemical are: (1)ACD/LogP: 3.91; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 1; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 2; (6)Polar Surface Area: 17.07 Å²; (7)Index of Refraction: 1.471; (8)Molar Refractivity: 59.82 cm³; (9)Molar Volume: 214 cm³; (10)Polarizability: 23.71×10^-24cm³; (11)Surface Tension: 27.9 dyne/cm; (12)Enthalpy of Vaporization: 50.51 kJ/mol; (13)Vapour Pressure: 0.0083 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(/C=C/C)C1C(=C/CCC1(C)C)\C
(2)InChI: InChI=1/C13H20O/c1-5-7-11(14)12-10(2)8-6-9-13(12,3)4/h5,7-8,12H,6,9H2,1-4H3/b7-5+
(3)InChIKey: CRIGTVCBMUKRSL-FNORWQNLBZ