The Bicyclo[3.1.1]heptane,6,6-dimethyl-2-methylene-, (1S,5S)-, with the CAS registry number 18172-67-3 and EINECS registry number 242-060-2, has the systematic name of (1S,5S)-6,6-dimethyl-2-methylidenebicyclo[3.1.1]heptane. It is a kind of clear colorless to pale yellow liquid, and belongs to the product category of Industrial/Fine Chemicals. The molecular formula of the chemical is C₁₀H₁₆.

The characteristics of Bicyclo[3.1.1]heptane,6,6-dimethyl-2-methylene-, (1S,5S)- are as followings: (1)ACD/LogP: 4.37; (2)# of Rule of 5 Violations: 0 ; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 0; (6)Polar Surface Area: 0 Å²; (7)Index of Refraction: 1.483; (8)Molar Refractivity: 43.76 cm³; (9)Molar Volume: 153 cm³; (10)Polarizability: 17.34×10^-24cm³; (11)Surface Tension: 27 dyne/cm; (12)Density: 0.88 g/cm³; (13)Flash Point: 34.9 °C; (14)Enthalpy of Vaporization: 38.59 kJ/mol; (15)Boiling Point: 166 °C at 760 mmHg; (16)Vapour Pressure: 2.4 mmHg at 25°C.

Uses of Bicyclo[3.1.1]heptane,6,6-dimethyl-2-methylene-, (1S,5S)-: It can react with 2-methanesulfonyloxy-benzaldehyde to produce methanesulfonic acid 2-[(6,6-dimethyl-bicyclo[3.1.1]hept-2-en-2-yl)-acetyl]-phenyl ester. This reaction will need reagent Me₂AlCl, and the yield is about 90%.  

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: C1(=C)\[C@@H]2C[C@H](CC1)C2(C)C
(2)InChI: InChI=1/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h8-9H,1,4-6H2,2-3H3/t8-,9-/m0/s1
(3)InChIKey: WTARULDDTDQWMU-IUCAKERBBX