1,2-Oxazole-5-carboxylic acid

BGC Id:	454914360833
CAS No:	21169-71-1
Synonyms:	akos pao-1371 ; buttpark 27\08-41 ; isoxazole-5-carboxylic acid 98% ; isoxazole-5-carboxylic acid ,98% ; 5-isoxazolecarboxylic acid ; isoxazole-5-carboxylic acid ; 5-carboxyisoxazole, 1,2-oxazole-5-carboxylic acid, 5-carboxy-1,2-oxazole ; timtec-bb sbb004319 ; 1,2-oxazole-5-carboxylic acid
Molecular Formula:	C4H3NO3
Molecular Weight:	113.07
EINECS:

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The last intensive check and update was carried out on 2023/03/24.

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Synonyms:

akos pao-1371 ; buttpark 27\08-41 ; isoxazole-5-carboxylic acid 98% ; isoxazole-5-carboxylic acid ,98% ; 5-isoxazolecarboxylic acid ; isoxazole-5-carboxylic acid ; 5-carboxyisoxazole, 1,2-oxazole-5-carboxylic acid, 5-carboxy-1,2-oxazole ; timtec-bb sbb004319 ; 1,2-oxazole-5-carboxylic acid

CAS:

21169-71-1

EINECS:

Molecular Formula:

C4H3NO3

MDL:

MFCD00156151

Properties

Molecular Weight:

113.07 g·mol−1

Melting point:

144-148 °C(lit.)

Physical Description:

slightly yellow powder

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

irritant

Hazardous Substances Data:

Non-Regulated Material ¹

Risk Codes:

36/37/38 (R)

Safety Codes:

24/25-25-24-36-26 (S)

WGK Germany:

What other providers are available for CAS 21169-71-1?

In addition to the providers presented here for 1,2-Oxazole-5-carboxylic acid with the CAS number 21169-71-1, there are other 42 providers with slightly different product names available for this CAS number.

Isoxazole-5-carboxylic acid