The cas register number of Tetramethyl(n-propyl)cyclopentadiene is 64417-12-5. It also can be called as 1,3-cyclopentadiene, 1,2,3,4-tetramethyl-5-propyl- and the Systematic name about this chemical is 1,2,3,4-tetramethyl-5-propyl-cyclopenta-1,3-diene.

Physical properties about Tetramethyl(n-propyl)cyclopentadiene are: (1)ACD/LogP: 5.70; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.7; (4)ACD/LogD (pH 7.4): 5.7; (5)#H bond acceptors: 0; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 2; (8)Index of Refraction: 1.459; (9)Molar Refractivity: 55.04 cm³; (10)Molar Volume: 201.3 cm³; (11)Surface Tension: 22.6 dyne/cm; (12)Density: 0.816 g/cm³; (13)Flash Point: 67.9 °C; (14)Enthalpy of Vaporization: 42.55 kJ/mol; (15)Boiling Point: 207.3 °C at 760 mmHg; (16)Vapour Pressure: 0.326 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. People must wear suitable protective clothing, gloves and eye/face protection.

People can use the following data to convert to the molecule structure.
1.SMILES: CC=1C(CCC)C(\C)=C(\C)/C=1C
2.InChI: InChI=1/C12H20/c1-6-7-12-10(4)8(2)9(3)11(12)5/h12H,6-7H2,1-5H3 
3.InChIKey: SQGUQDKNIMNMLY-UHFFFAOYAN
4.Std. InChI: InChI=1S/C12H20/c1-6-7-12-10(4)8(2)9(3)11(12)5/h12H,6-7H2,1-5H3