The Pentanoyl chloride,2,2,3,3,4,4,5,5,5-nonafluoro-, with the CAS registry number 375-60-0, is also known as Perfluoropentanoyl chloride. This chemical's molecular formula is C₅ClF₉O and molecular weight is 282.49. What's more, its systematic name is Nonafluoropentanoyl chloride. 

Physical properties of Pentanoyl chloride,2,2,3,3,4,4,5,5,5-nonafluoro- are: (1)ACD/LogP: 6.03; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.03; (4)ACD/LogD (pH 7.4): 6.03; (5)ACD/BCF (pH 5.5): 22636.3; (6)ACD/BCF (pH 7.4): 22636.3; (7)ACD/KOC (pH 5.5): 45578.05; (8)ACD/KOC (pH 7.4): 45578.05; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 17.07 Å²; (13)Index of Refraction: 1.298; (14)Molar Refractivity: 31.42 cm³; (15)Molar Volume: 168.7 cm³; (16)Polarizability: 12.45×10^-24 cm³; (17)Surface Tension: 16.5 dyne/cm; (18)Density: 1.673 g/cm³; (19)Enthalpy of Vaporization: 30.83 kJ/mol; (20)Boiling Point: 66.4 °C at 760 mmHg; (21)Vapour Pressure: 152 mmHg at 25°C.

Uses of Pentanoyl chloride,2,2,3,3,4,4,5,5,5-nonafluoro-: it can be used to produce perfluorovaleryl fluosulfate at the temperature of 20 °C. It will need reagent ClOSO₂F with the reaction time of 2 hours. The yield is about 67%.

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

You can still convert the following datas into molecular structure:
(1)SMILES: FC(F)(C(F)(F)C(Cl)=O)C(F)(F)C(F)(F)F
(2)InChI: InChI=1/C5ClF9O/c6-1(16)2(7,8)3(9,10)4(11,12)5(13,14)15
(3)InChIKey: HRBNMYUNLLWPAX-UHFFFAOYSA-N