Ethyl 4-Chloroacetoacetate

• CAT Number: R012119
• CAS Number: 638-07-3
• Molecular Formula: C6H9ClO3
• Molecular Weight: 164.59
• Purity: ≥95%
• Synonyms: 4-Chloro-3-oxobutanoic Acid Ethyl Ester; Ethyl 3-Oxo-4-chlorobutanoate; Ethyl 4-Chloro-3-oxobutanoate; Ethyl γ-Chloroacetoacetate; Ethyl ω-Chloroacetoacetate; γ-Chloroacetoacetic Acid Ethyl Ester
• Storage: -20°C
• IUPAC Name: ethyl 4-chloro-3-oxobutanoate
• InChI: InChI=1S/C6H9ClO3/c1-2-10-6(9)3-5(8)4-7/h2-4H2,1H3
• InChIKey: OHLRLMWUFVDREV-UHFFFAOYSA-N
• SMILES: CCOC(=O)CC(=O)CCl

Ethyl 4-chloroacetoacetate（Cat No.:R012119）is a versatile organic compound with the molecular formula C6H9ClO3. It is a clear to pale yellow liquid and features both ester and ketone functional groups, along with a chlorine atom at the 4-position. This compound is commonly used as a building block in organic synthesis, particularly in the preparation of heterocycles, pharmaceuticals, and agrochemicals. Its reactive methylene group and electrophilic sites make it suitable for alkylation, condensation, and nucleophilic substitution reactions. Ethyl 4-chloroacetoacetate is valued for its role in constructing complex molecular architectures in chemical research.