Skip to Content
Merck
CN

134198

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

99%

Sign In to View Organizational & Contract Pricing.

Select a Size


About This Item

Empirical Formula (Hill Notation):
C11H9NO3
CAS Number:
Molecular Weight:
203.19
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
214-497-9
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

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

assay

99%

InChI key

PENHKTNQUJMHIR-UHFFFAOYSA-N

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)

SMILES string

Cc1onc(-c2ccccc2)c1C(O)=O

mp

192-194 °C (lit.)

functional group

carboxylic acid
phenyl

Quality Level

Looking for similar products? Visit Product Comparison Guide

Application

5-Methyl-3-phenylisoxazole-4-carboxylic acid was used in preparation of intermediates for the synthesis of penicillin. It was used for acylation during solid support synthesis of the isoxazolopyridone derivatives.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

1112. Derivatives of 6-aminopenicillanic acid. Part VI. Penicillins from 3-and 5-phenylisoxazole-4-carboxylic acids and their alkyl and halogen derivatives.
Doyle FP, et al.
Journal of the Chemical Society, 5838-5845 (1963)
Masayuki Nakamura et al.
Bioorganic & medicinal chemistry letters, 20(2), 726-729 (2009-12-17)
This Letter describes the synthesis and evaluation of mGluR7 antagonists in the isoxazolopyridone series. In the course of modification in this class, novel solid support synthesis of the isoxazolopyridone scaffold was developed. Subsequent chemical modification led to the identification of

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service