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Merck
CN

644676

5-Methylisoxazole-3-carboxylic acid

Synonym(s):

3-Carboxy-5-methylisoxazole, 5-Methyl-3-isoxazolecarboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H5NO3
CAS Number:
Molecular Weight:
127.10
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
222-289-4
MDL number:
Form:
solid
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form

solid

Quality Level

mp

106-110 °C (lit.)

functional group

carboxylic acid

SMILES string

Cc1cc(no1)C(O)=O

InChI

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

InChI key

BNMPIJWVMVNSRD-UHFFFAOYSA-N

Application

Reactant for:
  • Click/aza-Michael or Click/oligomeric alkyl carbodiimide esterification reactions
  • Preparation of aminopyrazole amide derivatives as Raf kinase inhibitors in melanoma cells
  • Preparation of trifluoromethoxyphenyl(thiazolyl)pyrroles and other heterocycle-bearing polyfunctionalized pyrroles via chain heterocyclization


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Global Trade Item Number

SKUGTIN
644676-1G04061832729992
644676-5G04061833357217