4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one

• CAT Number: L031651
• CAS Number: 80841-78-7
• Molecular Formula: C5H5ClO3
• Molecular Weight: 148.54
• Purity: ≥95%
• IUPAC Name: 4-(chloromethyl)-5-methyl-1,3-dioxol-2-one
• InChI: InChI=1S/C5H5ClO3/c1-3-4(2-6)9-5(7)8-3/h2H2,1H3
• InChIKey: QCLFSYYUWPUWQR-UHFFFAOYSA-N
• SMILES: CC1=C(OC(=O)O1)CCl

4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one(CAT: L031651) is a functionalized cyclic carbonate featuring a chloromethyl group at the 4-position and a methyl substituent at the 5-position. This compound is a valuable intermediate in organic synthesis, particularly for the modification of alcohols and amines via nucleophilic substitution reactions. The 1,3-dioxol-2-one ring serves as a carbonyl-containing protecting group or a precursor to polymerizable units. It is commonly employed in the development of battery electrolytes, pharmaceutical building blocks, and functional monomers. The reactive chloromethyl group allows for versatile downstream derivatization, making it suitable for medicinal chemistry, materials science, and specialty chemical applications.