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134198

Sigma-Aldrich

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

99%

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25 G
€49.30

About This Item

Empirical Formula (Hill Notation):
C11H9NO3
CAS Number:
1136-45-4
Molecular Weight:
203.19
EC Number:
214-497-9
MDL number:
MFCD00003153
UNSPSC Code:
12352100
PubChem Substance ID:
24848137
NACRES:
NA.22

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Assay

99%

mp

192-194 °C (lit.)

functional group

carboxylic acid
phenyl

SMILES string

Cc1onc(-c2ccccc2)c1C(O)=O

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

PENHKTNQUJMHIR-UHFFFAOYSA-N

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Application

5-Methyl-3-phenylisoxazole-4-carboxylic acid was used in preparation of intermediates for the synthesis of penicillin[1]. It was used for acylation during solid support synthesis of the isoxazolopyridone derivatives[2].

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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