CAS 1136-45-4: 5-Methyl-3-phenylisoxazole-4-carboxylic acid

Description: 5-Methyl-3-phenylisoxazole-4-carboxylic acid is a heterocyclic organic compound characterized by its isoxazole ring structure, which consists of a five-membered ring containing both nitrogen and oxygen atoms. This compound features a methyl group and a phenyl group, contributing to its unique chemical properties and potential applications. The carboxylic acid functional group (-COOH) enhances its acidity and solubility in polar solvents, making it useful in various chemical reactions and syntheses. The presence of the phenyl group can also influence its reactivity and interactions with other molecules, potentially allowing for applications in pharmaceuticals or agrochemicals. Additionally, the compound may exhibit biological activity, which is often a focus in medicinal chemistry. Its molecular structure allows for various derivatizations, making it a versatile building block in organic synthesis. As with many organic compounds, safety and handling precautions should be observed, particularly regarding its reactivity and potential toxicity.

Formula: C₁₁H₉NO₃

InChI: InChI=1S/C11H9NO3/c1-7-9(11(13)14)10(12-15-7)8-5-3-2-4-6-8/h2-6H,1H3,(H,13,14)

InChI key: InChIKey=PENHKTNQUJMHIR-UHFFFAOYSA-N

SMILES: O=C(O)C=1C(=NOC1C)C=2C=CC=CC2

Synonyms:

• 3-Phenyl-5-methylisoxazole-4-carboxylic acid
• 4-Carboxy-5-methyl-3-phenylisoxazole
• 4-Isoxazolecarboxylic acid, 5-methyl-3-phenyl-
• 5-Methyl-3-Phenyl-1,2-Oxazole-4-Carboxylic Acid
• 5-Methyl-3-phenyl-4-isoxazolecarboxylic acid
• NSC 76870
• PMI-acid
• 5-Methyl-3-phenylisoxazole-4-carboxylic acid

5-Methyl-3-phenylisoxazole-4-carboxylic acid, 99%

CAS: 1136-45-4

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. …

• Formula: C₁₁H₉NO₃
• Purity: 99%
• Color and Shape: Crystals or powder or crystalline powder, White to cream to pale brown
• Molecular weight: 203.20

Oxacillin Related Compound C (5-Methyl-3-phenylisoxazole-4-carboxylic acid)

CAS: 1136-45-4

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, nesoi

• Formula: C₁₁H₉NO₃
• Color and Shape: Off-White Powder
• Molecular weight: 203.05824

4-Isoxazolecarboxylic acid, 5-methyl-3-phenyl-

CAS: 1136-45-4

• Formula: C₁₁H₉NO₃
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 203.1941

Oxacillin EP Impurity C (Oxacillin USP Related Compound C)

CAS: 1136-45-4

• Formula: C₁₁H₉NO₃
• Molecular weight: 203.20

5-Methyl-3-phenyl-isoxazole-4-carboxylic acid

CAS: 1136-45-4

• Purity: 98.0%
• Color and Shape: Solid, Powder
• Molecular weight: 203.19700622558594

5-Methyl-3-phenylisoxazole-4-carboxylic Acid

CAS: 1136-45-4

• Formula: C₁₁H₉NO₃
• Color and Shape: Neat
• Molecular weight: 203.19

5-Methyl-3-phenylisoxazole-4-carboxylic acid

CAS: 1136-45-4

• Formula: C₁₁H₉NO₃
• Purity: 98%
• Color and Shape: off-white solid
• Molecular weight: 203.19g/mol

5-Methyl-3-phenyl-4-isoxazolecarboxylic Acid

CAS: 1136-45-4

• Formula: C₁₁H₉NO₃
• Color and Shape: Neat
• Molecular weight: 203.19

5-Methyl-3-phenyl-4-isoxazolecarboxylic Acid-d5

CAS: 1136-45-4

• Formula: C₁₁D₅H₄NO₃
• Color and Shape: Neat
• Molecular weight: 208.225

5-Methyl-3-phenylisoxazole-4-carboxylic acid

CAS: 1136-45-4

5-Methyl-3-phenylisoxazole-4-carboxylic acid (5MPIA) is a potent inhibitor of the acylation reaction. It has been shown …

• Formula: C₁₁H₉NO₃
• Purity: Min. 95%
• Molecular weight: 203.19 g/mol