Cas no 943-88-4 (4-(4-Methoxyphenyl)-3-buten-2-one)

4-(4-Methoxyphenyl)-3-buten-2-one is an α,β-unsaturated ketone with a methoxyphenyl substituent, commonly utilized as a key intermediate in organic synthesis. Its conjugated system and electron-rich aromatic ring make it valuable for applications in pharmaceuticals, agrochemicals, and fine chemical production. The compound exhibits reactivity typical of enones, enabling Michael additions, cyclizations, and other transformations. Its structural features also facilitate use in photochemical studies and as a precursor for heterocyclic compounds. The methoxy group enhances solubility in organic solvents, simplifying handling in synthetic workflows. This compound is particularly useful for researchers requiring a versatile building block with predictable reactivity for complex molecule assembly.
4-(4-Methoxyphenyl)-3-buten-2-one structure
943-88-4 structure
Product Name:4-(4-Methoxyphenyl)-3-buten-2-one
CAS No:943-88-4
MF:C11H12O2
MW:176.211783409119
MDL:MFCD00017251
CID:805344
PubChem ID:736889
Update Time:2025-05-20

4-(4-Methoxyphenyl)-3-buten-2-one Chemical and Physical Properties

Names and Identifiers

    • 3-Buten-2-one,4-(4-methoxyphenyl)-
    • 1-(P-METHOXYPHENYL)-1-BUTEN-3-ONE
    • 4-(4-METHOXYPHENYL)-3-BUTEN-2-ONE
    • 4-(4-METHOXYPHENYL)BUT-3-EN-2-ONE
    • (4-methoxybenzylidene)acetone
    • 4-(4-methoxyphenyl)-but-3-en-2-one
    • 4-(p-methoxyphenyl)-3-buten-2-one
    • 4-(p-methoxyphenyl)-3-butene-2-one
    • 4-(p-methoxyphenyl)but-3-en-2-one
    • 4-Methoxybenzalacetone
    • ANISALACETONE
    • anisylideneacetone
    • Methoxybenzalacetone
    • p-Anisalacetone
    • p-Anisilidenacetone
    • p-Anisylideneacetone
    • p-Methoxybenzalacetone
    • p-Methoxybenzylideneacetone
    • 4-Methoxybenzylideneacetone
    • Methyl p-methoxystyryl ketone
    • 3-Buten-2-one, 4-(4-methoxyphenyl)-
    • (E)-4-(4-Methoxyphenyl)but-3-en-2-one
    • Anisylidene acetone
    • 4'-Methoxybenzylideneacetone
    • p-Methoxystyryl methyl ketone
    • 4-Methoxystyryl methyl ketone
    • 3-Buten-2-one, 4-(p-methoxyphenyl)-
    • (3E
    • NSC 7946
    • BRN 1525535
    • AKOS001326097
    • trans-4-(4-Methoxyphenyl)-3-buten-2-one
    • 3815-30-3
    • AI3-00222
    • 4-Methoxybenzal acetone
    • (E)-4-(p-Methoxyphenyl)-3-buten-2-one
    • CHEMBL72155
    • 3-Buten-2-one, 4-(p-methoxyphenyl)-, trans-
    • 943-88-4
    • 2-08-00-00155 (Beilstein Handbook Reference)
    • AF-962/00512033
    • EN300-1827070
    • 4(p-Methoxyphenyl)-3-buten-2-on
    • Q27266778
    • NSC 31752
    • (E)-4-(4-methoxyphenyl)-but-3-en-2-one
    • NSC-7946
    • Methyl-p-methoxycinnamylketone
    • 1-(4-Methoxyphenyl)-but-1-en-3-one
    • SCHEMBL872009
    • NSC-31752
    • MFCD00017251
    • (3E)-4-(4-Methoxyphenyl)-3-buten-2-one
    • trans-(4-Methoxybenzylidene)acetone
    • UNII-79U9LYF10I
    • (3E)-4-(4-methoxyphenyl)but-3-en-2-one
    • Methyl-p-methoxy cinnamyl ketone
    • 12H-919
    • A916720
    • NSC31752
    • J-501972
    • Z2582847777
    • DTXSID9061338
    • trans-4-Methoxybenzalacetone
    • CS-0161881
    • DTXSID301282472
    • METHOXYPHENYL)-3-BUTEN-2-ONE, 4-(P-
    • 79U9LYF10I
    • 4-(4-Methoxyphenyl)-3-buten-2-one 100 microg/mL in Acetonitrile
    • 3-Buten-2-one, 4-(4-methoxyphenyl)-, (E)-
    • NSC7946
    • EINECS 213-404-9
    • A11033
    • 1-(p-Methoxyphenyl)-1-buten-3-one; 4-(p-Methoxyphenyl)-3-buten-2-one;
    • STK709240
    • 4-(4-Methoxyphenyl)-3-buten-2-one
    • MDL: MFCD00017251
    • Inchi: 1S/C11H12O2/c1-9(12)3-4-10-5-7-11(13-2)8-6-10/h3-8H,1-2H3/b4-3+
    • InChI Key: WRRZKDVBPZBNJN-ONEGZZNKSA-N
    • SMILES: O(C)C1C=CC(/C=C/C(C)=O)=CC=1

Computed Properties

  • Exact Mass: 176.08400
  • Monoisotopic Mass: 176.08373
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 3
  • Complexity: 188
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 1
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 2.1
  • Topological Polar Surface Area: 26.3

Experimental Properties

  • Density: 1.0558 (rough estimate)
  • Melting Point: 71-73°C
  • Boiling Point: 319.8°C at 760 mmHg
  • Flash Point: 148.3°C
  • Refractive Index: 1.5100 (estimate)
  • PSA: 26.30000
  • LogP: 2.29740

4-(4-Methoxyphenyl)-3-buten-2-one Security Information

4-(4-Methoxyphenyl)-3-buten-2-one Customs Data

  • HS CODE:2914509090
  • Customs Data:

    China Customs Code:

    2914509090

    Overview:

    2914509090 Ketones containing other oxygen-containing groups. VAT:17.0% Tax refund rate:9.0% Regulatory conditions:nothing MFN tariff:5.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, Acetone declared packaging

    Summary:

    HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

4-(4-Methoxyphenyl)-3-buten-2-one Pricemore >>

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4-(4-Methoxyphenyl)-3-buten-2-one Suppliers

Amadis Chemical Company Limited
Gold Member
Audited Supplier Audited Supplier
(CAS:943-88-4)4-(4-Methoxyphenyl)-3-buten-2-one
Order Number:A916720
Stock Status:in Stock
Quantity:5g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 13:00
Price ($):284.0
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:943-88-4)p-Methoxybenzalacetone
Order Number:LE13294
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:08
Price ($):discuss personally

Additional information on 4-(4-Methoxyphenyl)-3-buten-2-one

4-(4-Methoxyphenyl)-3-buten-2-one (CAS No. 943-88-4): A Comprehensive Overview

4-(4-Methoxyphenyl)-3-buten-2-one, also known by its CAS number 943-88-4, is a versatile organic compound that has garnered significant attention in the fields of organic synthesis, medicinal chemistry, and pharmaceutical research. This compound is characterized by its unique structure, which includes a methoxyphenyl substituent and a butenone moiety, making it an interesting candidate for various applications.

The chemical formula of 4-(4-methoxyphenyl)-3-buten-2-one is C10H12O2, and it has a molecular weight of 164.20 g/mol. The compound is a colorless to pale yellow liquid with a characteristic odor. Its physical and chemical properties, such as solubility in organic solvents and reactivity, make it suitable for use in a wide range of synthetic reactions and as a building block in the development of new compounds.

In the realm of organic synthesis, 4-(4-methoxyphenyl)-3-buten-2-one serves as a valuable intermediate due to its reactivity and functional group versatility. The methoxyphenyl group can undergo various transformations, such as demethylation to form phenols or substitution reactions to introduce different substituents. The butenone moiety can participate in Michael additions, aldol condensations, and other carbon-carbon bond-forming reactions, making it an essential component in the synthesis of complex molecules.

Recent studies have highlighted the potential of 4-(4-methoxyphenyl)-3-buten-2-one in medicinal chemistry and drug discovery. One notable application is its use as a precursor in the synthesis of bioactive compounds with therapeutic potential. For instance, researchers have explored its role in the development of anti-inflammatory agents, where the compound's ability to modulate specific biological pathways has shown promising results.

In the context of pharmaceutical research, 4-(4-methoxyphenyl)-3-buten-2-one has been investigated for its potential as a lead compound in the development of new drugs. Its structural features allow for the introduction of various functional groups that can enhance its pharmacological properties. For example, modifications to the methoxyphenyl group have been shown to improve the compound's binding affinity to specific receptors, thereby enhancing its therapeutic efficacy.

The safety and toxicity profile of 4-(4-methoxyphenyl)-3-buten-2-one have also been evaluated in several studies. While it is generally considered safe for use in laboratory settings, proper handling and storage practices are essential to ensure safety. Researchers should adhere to standard laboratory protocols and use appropriate personal protective equipment (PPE) when working with this compound.

In addition to its applications in organic synthesis and pharmaceutical research, 4-(4-methoxyphenyl)-3-buten-2-one has found use in other areas such as materials science and analytical chemistry. Its unique properties make it suitable for use as a reference standard in chromatographic analyses and as a component in polymer formulations.

The ongoing research into 4-(4-methoxyphenyl)-3-buten-2-one continues to uncover new applications and potential uses. As scientists delve deeper into its chemical behavior and biological activity, this compound is likely to play an increasingly important role in various scientific disciplines.

In conclusion, 4-(4-methoxyphenyl)-3-buten-2-one (CAS No. 943-88-4) is a multifaceted compound with significant potential in multiple fields. Its unique structure and versatile properties make it an invaluable tool for researchers working in organic synthesis, medicinal chemistry, pharmaceutical development, and beyond. As research continues to advance, the applications of this compound are expected to expand further, contributing to scientific progress and innovation.

Recommended suppliers
Amadis Chemical Company Limited
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Tiancheng Chemical (Jiangsu) Co., Ltd
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