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Isoxazole-5-carboxylic acid, 98%
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Alfa Aesar By Thermo Fisher Scientific logo

Isoxazole-5-carboxylic acid, 98%

CAS: 21169-71-1

Ref. 02-A13739

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Estimated delivery in United States, on Friday 29 Nov 2024

Product Information

Name:
Isoxazole-5-carboxylic acid, 98%
Synonyms:
  • 1,2-oxazole-5-carboxylate
  • 1,2-Oxazole-5-Carboxylate
  • 1,2-Oxazole-5-Carboxylic Acid
Description:

Reaction conditions were found to allow the exclusive formation of isoxazole-5-carboxylic acid derivatives by conjugate addition, in acidic medium, of hydroxylamine to β-alkoxyvinyl trichloromethyl ketone in synthesis and reactivity of isoxazoles. Isoxazole-5-carboxylic acid participates in the Synthesis and evaluation of acylguanidine FXa inhibitors. 1, 1, 1-trichloro-4-methoxy-3-penten-2-one postulated in the preparation of isoxazole-5-carboxylic acid from trichloroacetyl chloride, ethyl vinyl ether and hydroxylamine is developed in a fully saturated nitrogen atom theerefore there is no possibility of conjugation with 4- substituents. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
Alfa Aesar By Thermo Fisher Scientific
Long term storage:
Notes:

Chemical properties

Molecular weight:
112.07
Formula:
C4H2NO3
Purity:
98%
Color/Form:
Pale cream to pale yellow to pale brown, Powder
InChI key:
MIIQJAUWHSUTIT-UHFFFAOYSA-M
MDL:
Melting point:
Boiling point:
Flash point:
Density:
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EINECS:
Merck:
HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
P Statements:
Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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