Cas no 66762-68-3 (ethyl 4-methoxy-3-oxo-butanoate)

Ethyl 4-methoxy-3-oxo-butanoate is a versatile ester compound characterized by its keto-ester and methoxy functional groups. This chemical is commonly utilized as an intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Its reactive β-keto ester moiety enables participation in condensation and cyclization reactions, making it valuable for constructing heterocyclic frameworks. The methoxy group enhances solubility and influences reactivity in selective transformations. The compound exhibits stability under standard handling conditions, facilitating its use in multi-step synthetic routes. Its well-defined structure and consistent purity ensure reproducibility in research and industrial applications. Proper storage under inert conditions is recommended to maintain its integrity.
ethyl 4-methoxy-3-oxo-butanoate structure
66762-68-3 structure
Product Name:ethyl 4-methoxy-3-oxo-butanoate
CAS No:66762-68-3
MF:C7H12O4
MW:160.167782783508
MDL:MFCD07783018
CID:395832
PubChem ID:12645099
Update Time:2025-10-18

ethyl 4-methoxy-3-oxo-butanoate Chemical and Physical Properties

Names and Identifiers

    • Ethyl 4-methoxy-3-oxobutanoate
    • Butanoic acid, 4-methoxy-3-oxo-, ethyl ester
    • Ethyl 4-methoxy-3-oxo-butanoate
    • ETHYL 4-METHOXYACETOACETATE
    • 4-methoxy-acetoacetic acid ethyl ester
    • ethyl 4-Methyloxy-3-oxo-butanoate
    • methyl 4-methoxyacetoacetate
    • OR4302
    • 4-Methoxy-3-oxo-butanoic acid ethyl ester
    • ethyl 4-methoxy-acetoacetate
    • CMKOJBYFNYDATH-UHFFFAOYSA-N
    • 0252AC
    • CE0075
    • NE44631
    • gamma-methoxyacetoacetic acid ethyl ester
    • ST24047043
    • DTXSID80505528
    • FT-0651422
    • 66762-68-3
    • ETHYL4-METHOXY-3-OXO-BUTANOATE
    • MFCD07783018
    • AKOS010952106
    • SCHEMBL126088
    • EN300-81790
    • Z839817118
    • CS-W022693
    • SY114322
    • AS-40133
    • DB-343002
    • ETHYL4-METHOXY-3-OXOBUTANOATE
    • ethyl 4-methoxy-3-oxo-butanoate
    • MDL： MFCD07783018
    • Inchi： 1S/C7H12O4/c1-3-11-7(9)4-6(8)5-10-2/h3-5H2,1-2H3
    • InChI Key： CMKOJBYFNYDATH-UHFFFAOYSA-N
    • SMILES： O(CC)C(CC(COC)=O)=O

Computed Properties

  • Exact Mass: 160.07400
  • Monoisotopic Mass: 160.07355886g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 6
  • Complexity: 141
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 0.1
  • Topological Polar Surface Area: 52.6

Experimental Properties

  • Density: 1.1±0.1 g/cm3
  • Melting Point: Not available
  • Boiling Point: 225.0±15.0 °C at 760 mmHg
  • Flash Point: 91.3±20.4 °C
  • PSA: 52.60000
  • LogP: 0.15510
  • Vapor Pressure: 0.1±0.4 mmHg at 25°C

ethyl 4-methoxy-3-oxo-butanoate Security Information

ethyl 4-methoxy-3-oxo-butanoate Customs Data

  • HS CODE：2918990090
  • Customs Data：

    China Customs Code:

    2918990090

    Overview:

    2918990090. Other additional oxy carboxylic acids(Including anhydrides\Acyl halide\Peroxides, peroxyacids and derivatives of this tax number). VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

ethyl 4-methoxy-3-oxo-butanoate Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd.
E96590-250mg
Ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
250mg
 ￥1312.0 2023-09-07
SHANG HAI JI ZHI SHENG HUA Technology Co., Ltd.
E96590-1g
Ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
1g
 ￥3232.0 2023-09-07
TRC
B440330-10mg
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3
10mg
 $ 50.00 2022-06-07
TRC
B440330-50mg
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3
50mg
 $ 115.00 2022-06-07
TRC
B440330-100mg
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3
100mg
 $ 160.00 2022-06-07
Apollo Scientific
OR4302-5g
Ethyl 4-methoxyacetoacetate
 66762-68-3 95%
5g
 ￡63.00 2025-02-20
Chemenu
CM129206-1g
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
1g
 $218 2022-09-29
Chemenu
CM129206-5g
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
5g
 $*** 2023-05-29
Chemenu
CM129206-10g
ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
10g
 $*** 2023-05-29
eNovation Chemicals LLC
Y1045907-5g
Ethyl 4-methoxy-3-oxobutanoate
 66762-68-3 95%
5g
 $90 2024-06-07

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