Cas no 19788-35-3 (methyl 5-methyl-1,2-oxazole-3-carboxylate)

Methyl 5-methyl-1,2-oxazole-3-carboxylate is a heterocyclic ester compound featuring a 1,2-oxazole (isoxazole) core with a methyl substituent at the 5-position and a methoxycarbonyl group at the 3-position. This structure imparts versatility in organic synthesis, particularly as a building block for pharmaceuticals, agrochemicals, and functional materials. The electron-withdrawing carboxylate moiety enhances reactivity in nucleophilic substitution and cyclization reactions, while the methyl group contributes to stability and lipophilicity. Its well-defined reactivity profile makes it valuable for constructing complex heterocyclic frameworks. The compound is typically handled under standard laboratory conditions, with purity and consistency being critical for reproducible results in synthetic applications.
methyl 5-methyl-1,2-oxazole-3-carboxylate structure
19788-35-3 structure
Product Name:methyl 5-methyl-1,2-oxazole-3-carboxylate
CAS No:19788-35-3
MF:C6H7NO3
MW:141.124681711197
MDL:MFCD00015895
CID:51386
PubChem ID:88245
Update Time:2025-06-08

methyl 5-methyl-1,2-oxazole-3-carboxylate Chemical and Physical Properties

Names and Identifiers

    • Methyl 5-methylisoxazole-3-carboxylate
    • 5-Methylisoxazole-3-carboxylic acid methyl ester
    • methyl 5-methyl-1,2-oxazole-3-carboxylate
    • Methyl 5-methyl-3-isoxazolecarboxylate
    • 3-Isoxazolecarboxylic acid,5-methyl-,methyl ester
    • 5-Methyl-isoxazol-3-carbonsaeure-methylester
    • 5-methyl-isoxazole-3-carboxylic acid methyl ester
    • methyl-5-methylisoxazole-3-carboxylate
    • BUTTPARK 48\06-49
    • METHYL 5-5ETHYLISOXAZOLE-3-CARBOXYLATE
    • METHYL 5-METHYLISOXAZOLYL-3-CARBOXYLATE
    • 5-Methyl-3-isoxazolecarboxylic acid methyl ester
    • Methyl 5-methylisoxazole-3-carboxylate,98%
    • 3-Isoxazolecarboxylic acid, 5-Methyl-, Methyl ester
    • MVHHQOCEOUNTID-UHFFFAOYSA-N
    • methyl-5-methyl-3-isoxazole carboxylate
    • Methyl 5-methyl-3-isoxazole carboxylate
    • K
    • F0001-0704
    • EN300-15450
    • EINECS 243-311-9
    • W-206457
    • BCP32346
    • 19788-35-3
    • SDCCGMLS-0065953.P001
    • AKOS003278392
    • NG-0403
    • STR09388
    • FT-0647821
    • SY011581
    • SCHEMBL1087642
    • Z17141189
    • MFCD00015895
    • FT-0628849
    • Methyl 5-methyl-3-isoxazolecarboxylate #
    • CS-W018305
    • AM85653
    • BB 0218309
    • NS00026433
    • UNII-WKN4V23WWZ
    • A813946
    • DTXSID90173494
    • WKN4V23WWZ
    • STK426355
    • Methyl5-methylisoxazole-3-carboxylate
    • MDL: MFCD00015895
    • Inchi: 1S/C6H7NO3/c1-4-3-5(7-10-4)6(8)9-2/h3H,1-2H3
    • InChI Key: MVHHQOCEOUNTID-UHFFFAOYSA-N
    • SMILES: O1C(C)=CC(C(=O)OC)=N1
    • BRN: 115704

Computed Properties

  • Exact Mass: 141.04300
  • Monoisotopic Mass: 141.043
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 10
  • Rotatable Bond Count: 2
  • Complexity: 137
  • 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
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 1
  • Topological Polar Surface Area: 52.3

Experimental Properties

  • Color/Form: Not determined
  • Density: 1.1790
  • Melting Point: 90-92 oC
  • Boiling Point: 125°C 11mm
  • Flash Point: 125°C/11mm
  • Refractive Index: 1.468
  • PSA: 52.33000
  • LogP: 0.76960
  • Solubility: Not determined

methyl 5-methyl-1,2-oxazole-3-carboxylate Security Information

  • Hazard Category Code: 36/37/38
  • Safety Instruction: S24/25
  • Hazardous Material Identification: Xi
  • Safety Term:S24/25
  • Risk Phrases:R36/37/38

methyl 5-methyl-1,2-oxazole-3-carboxylate Customs Data

  • HS CODE:2934999090
  • Customs Data:

    China Customs Code:

    2934999090

    Overview:

    2934999090. Other heterocyclic compounds. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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methyl 5-methyl-1,2-oxazole-3-carboxylate Suppliers

Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:19788-35-3)5-甲基異惡唑-3-羧酸甲酯
Order Number:LE2621022
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:42
Price ($):discuss personally

Additional information on methyl 5-methyl-1,2-oxazole-3-carboxylate

Methyl 5-methyl-1,2-oxazole-3-carboxylate (CAS No. 19788-35-3): A Comprehensive Overview

Methyl 5-methyl-1,2-oxazole-3-carboxylate, identified by its Chemical Abstracts Service number CAS No. 19788-35-3, is a significant compound in the field of pharmaceutical chemistry and bioorganic synthesis. This heterocyclic ester has garnered attention due to its versatile structural framework and potential applications in drug development and material science. The compound belongs to the oxazole family, characterized by a five-membered ring containing one oxygen atom and two carbon atoms, which contributes to its unique reactivity and biological properties.

The molecular structure of methyl 5-methyl-1,2-oxazole-3-carboxylate consists of a methyl ester group attached to the carboxylate functionality at the 3-position of the oxazole ring, with a methyl substituent at the 5-position. This specific arrangement imparts distinct chemical and pharmacological characteristics, making it a valuable intermediate in synthetic chemistry. The presence of both electron-withdrawing and electron-donating groups within the molecule allows for diverse functionalization strategies, which are crucial for developing novel therapeutic agents.

In recent years, there has been growing interest in oxazole derivatives due to their broad spectrum of biological activities. Research has demonstrated that compounds containing the oxazole moiety exhibit antimicrobial, anti-inflammatory, and anticancer properties. Specifically, methyl 5-methyl-1,2-oxazole-3-carboxylate has been investigated for its potential role in modulating enzyme activity and inhibiting pathogenic microorganisms. Its structural motif is particularly relevant in designing molecules that can interact with biological targets such as enzymes and receptors.

One of the most compelling aspects of this compound is its utility as a building block in medicinal chemistry. The ester group at the 3-position provides a reactive site for further derivatization, enabling the synthesis of more complex molecules with tailored biological properties. For instance, researchers have explored its use in creating chiral auxiliaries and ligands for asymmetric synthesis, which is essential for producing enantiomerically pure drugs with improved pharmacokinetic profiles.

The pharmaceutical industry has been particularly keen on exploring heterocyclic compounds like methyl 5-methyl-1,2-oxazole-3-carboxylate due to their inherent biological activity and synthetic flexibility. Recent studies have highlighted its potential in developing treatments for neurological disorders, where oxazole derivatives have shown promise in modulating neurotransmitter systems. Additionally, its application in materials science has not been overlooked, with investigations into its use as a precursor for organic semiconductors and liquid crystals.

The synthesis of methyl 5-methyl-1,2-oxazole-3-carboxylate typically involves multi-step organic reactions that showcase the compound's versatility as an intermediate. Common synthetic routes include condensation reactions between appropriate carbonyl compounds and heterocyclic precursors, followed by esterification steps to introduce the methyl ester group. These synthetic strategies highlight the compound's importance in facilitating complex molecular constructions within research laboratories.

In conclusion, methyl 5-methyl-1,2-oxazole-3-carboxylate (CAS No. 19788-35-3) is a multifaceted compound with significant implications in pharmaceutical research and industrial applications. Its unique structural features and reactivity make it a valuable tool for chemists and biologists alike. As research continues to uncover new therapeutic possibilities and synthetic methodologies, this compound is poised to remain at the forefront of scientific innovation.

Recommended suppliers
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:19788-35-3)5-甲基異惡唑-3-羧酸甲酯
LE2621022
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
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