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636258

Isoxazole-5-carboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C4H3NO3
CAS Number:
21169-71-1
Molecular Weight:
113.07
NACRES:
NA.22
PubChem Substance ID:
24882764
UNSPSC Code:
12352100
MDL number:
MFCD00156151
Assay:
97%
Form:
solid
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assay

97%

form

solid

mp

144-148 °C (lit.)

SMILES string

OC(=O)c1ccno1

InChI

1S/C4H3NO3/c6-4(7)3-1-2-5-8-3/h1-2H,(H,6,7)

InChI key

MIIQJAUWHSUTIT-UHFFFAOYSA-N

General description

Isoxazole-5-carboxylic acid can be obtained via dehydration of 5-trichloromethylisoxazole.

Storage Class

13 - Non 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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Certificates of Analysis (COA)

Lot/Batch Number
MKBJ8303V
MKBH8351V
MKBG2843V
MKBF8767V
MKBF1686V

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"Efficient synthesis and dehydration reaction of trichloromethylated 2-(3-phenyl-5-hydroxy-4, 5-dihydro-1H-pyrazol-1-yl)-4-aryl-5-alkylthiazoles"
Bonacorso.GH, et al.
Heteroatom Chem., 14(02), 132-137 (2003)

Global Trade Item Number

SKUGTIN
636258-1G04061826698044
636258-5G04061833356890