This chemical is called Chloromethyl 2-methylpropanoate, and its CAS registry number is 61644-18-6. With the molecular formula of C₅H₉ClO₂, its molecular weight is 136.58.

Other characteristics of the Chloromethyl 2-methylpropanoate can be summarised as followings: (1)ACD/LogP: 1.43; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 2; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 3; (6)Polar Surface Area: 26.3 Å²; (7)Index of Refraction: 1.417; (8)Molar Refractivity: 31.796 cm³; (9)Molar Volume: 126.313 cm³; (10)Polarizability: 12.605×10^-24cm³; (11)Surface Tension: 28.416 dyne/cm; (12)Density: 1.081 g/cm³; (13)Flash Point: 33.736 °C; (14)Enthalpy of Vaporization: 36.251 kJ/mol; (15)Boiling Point: 124.604 °C at 760 mmHg; (16)Vapour Pressure: 12.647 mmHg at 25°C.

Production method of this chemical: The Chloromethyl 2-methylpropanoate could be obtained by the reactants of isobutyryl chloride and formaldehyde. This reaction needs the reagent of ZnCl₂.

Uses of this chemical: The Chloromethyl 2-methylpropanoate could react with retinoic acid, and obtain the all-trans-retinoyloxymethyl isobutyrate. This reaction needs the reagent of Et₃N, and the solvent of dimethylformamide. The yield is 94 %. In addition, this reaction should be taken for 3 hours at the temperature of 70 °C.

You can still convert the following datas into molecular structure: 
1.SMILES: ClCOC(=O)C(C)C
2.InChI: InChI=1/C5H9ClO2/c1-4(2)5(7)8-3-6/h4H,3H2,1-2H3
3.InChIKey: ILUWVORABZTBIU-UHFFFAOYAG