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673692

Sigma-Aldrich

4-Methyloxazole-5-carboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C5H5NO3
CAS Number:
2510-32-9
Molecular Weight:
127.10
MDL number:
MFCD01571070
UNSPSC Code:
12352100
PubChem Substance ID:
24885172
NACRES:
NA.22

Assay

97%

form

solid

mp

239-243 °C

functional group

carboxylic acid

SMILES string

Cc1ncoc1C(O)=O

InChI

1S/C5H5NO3/c1-3-4(5(7)8)9-2-6-3/h2H,1H3,(H,7,8)

InChI key

ZIXUNDOOBLSXPE-UHFFFAOYSA-N

Application

Used in a palladium-catalyzed cross-coupling between heteroaryl carboxylic acids and aryl bromides leading to arylated heterocycles.

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBJ7485V
BCBH6849V
BCBF4284V
1441882V
1441882

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Pat Forgione et al.
Journal of the American Chemical Society, 128(35), 11350-11351 (2006-08-31)
Aryl-substituted five-membered heteroaromatics have attracted great interest over the past years due to their presence in a large number of pharmaceuticals and natural products. Recently, an advance in the preparation of these scaffolds was achieved by employing a C-H functionalization

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