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Methyl 5-methyl-3-phenylisoxazole-4-carboxylate

Also known as: 4-ISOXAZOLECARBOXYLIC ACID, 5-METHYL-3-PHENYL-, METHYL ESTER, 5-Methyl-3-phenyl-4-isoxazolecarboxylic acid methyl ester, 5-Methyl-3-phenyl-isoxazole-4-carboxylic acid methyl ester, Methyl 5-methyl-3-phenyl-4-isoxazolecarboxylate, Methyl 5-methyl-3-phenyl-1,2-oxazole-4-carboxylate, Oxacillin Impurity 26, Tranexamic Acid Impurity 34, RARECHEM AL BF 0514, 3-Phenyl-5-methyl-4-isoxazol-carbonsaeure-methylester, 3-Phenyl-5-methyl-isoxazol-4-carbonsaeure-methylester

Methyl 5-methyl-3-phenylisoxazole-4-carboxylate (CAS 2065-28-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3 and a molecular weight of 217.221 g/mol. Key properties include a melting point of 79-81ºC, a boiling point of 361.0±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 172.1±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2065-28-3
Jingsj CID
J-1472599-6
Molecular Formula
C12H11NO3
Molecular Weight
217.221 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point79-81ºC
Boiling Point361.0±30.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point172.1±24.6 °C
Exact Mass217.073898
PSA52.33000
LogP1.82
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.538

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Methyl 5-methyl-3-phenylisoxazole-4-carboxylate?

The CAS number of Methyl 5-methyl-3-phenylisoxazole-4-carboxylate is 2065-28-3.

What are the molecular formula and molecular weight of Methyl 5-methyl-3-phenylisoxazole-4-carboxylate?

Methyl 5-methyl-3-phenylisoxazole-4-carboxylate has molecular formula C12H11NO3 and molecular weight 217.221 g/mol.

What are the upstream and downstream products of Methyl 5-methyl-3-phenylisoxazole-4-carboxylate?

For Methyl 5-methyl-3-phenylisoxazole-4-carboxylate, Upstream Products: Methyl acetoacetate, Tetrahydrofuran, 5-Methyl-3-phenylisoxazole-4-carboxylic acid; Downstream Products: 5-Methyl-3-phenylisoxazole-4-carbaldehyde, 5-Methyl-3-phenylisoxazole-4-carboxylic acid, 5-Methyl-3-phenylisoxazole-4-carbonyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyl 5-methyl-3-phenylisoxazole-4-carboxylate (CAS 2065-28-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1472599-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.