ChemicalBook Product Catalog Analytical Chemistry Standard Pharmaceutical Impurity Reference Standards 5-Methyl-3-phenylisoxazole-4-carboxylic acid

5-Methyl-3-phenylisoxazole-4-carboxylic acid

5-Methyl-3-phenylisoxazole-4-carboxylic acid Basic information
Product Name:5-Methyl-3-phenylisoxazole-4-carboxylic acid
Synonyms:5-METHYL-3-PHENYL-4-ISOXAZOLECARBOXYLIC ACID;5-METHYL-3-PHENYL-4-ISOXAZOLIC ACID;5-METHYL-3-PHENYLISOXAZOLE-4-CARBOXYLIC ACID;AKOS BBS-00003754;TIMTEC-BB SBB010075;RARECHEM AL BE 0514;3-phenyl-5-methylisoxazol-4-carbonsaeure;5-methyl-3-phenylisoxazole-4-carboxylic acid(SALTDATA: FREE)
CAS:1136-45-4
MF:C11H9NO3
MW:203.19
EINECS:214-497-9
Product Categories:Oxazole&Isoxazole;Organic acids;Oxacilline;Building Blocks;Heterocyclic Building Blocks;Isoxazoles;Heterocyclic Series
Mol File:1136-45-4.mol
5-Methyl-3-phenylisoxazole-4-carboxylic acid Structure
5-Methyl-3-phenylisoxazole-4-carboxylic acid Chemical Properties
Melting point 192-194 °C(lit.)
Boiling point 341.49°C (rough estimate)
density 1.2621 (rough estimate)
refractive index 1.4950 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility DMSO (Slightly), Methanol (Very Slightly)
pka2.11±0.32(Predicted)
form Solid
color White to Off-White
BRN 164939
CAS DataBase Reference1136-45-4(CAS DataBase Reference)
EPA Substance Registry System4-Isoxazolecarboxylic acid, 5-methyl-3-phenyl- (1136-45-4)
Safety Information
Hazard Codes Xi
Risk Statements 22
Safety Statements 24/25-36/37-22
WGK Germany 3
RTECS NY2750000
TSCA Yes
HazardClass IRRITANT
HS Code 2934990002
MSDS Information
ProviderLanguage
5-Methyl-3-phenylisoxazole-4-carboxylic acid English
SigmaAldrich English
ALFA English
5-Methyl-3-phenylisoxazole-4-carboxylic acid Usage And Synthesis
Chemical PropertiesCream to pale brown solid
Uses5-Methyl-3-phenylisoxazole-4-carboxylic acid was used in preparation of intermediates for the synthesis of penicillin. It was used for acylation during solid support synthesis of the isoxazolopyridone derivatives.
methylbenzoic acid Methyl Isoxazole 2-(Trifluoromethyl)benzoic acid Tribenuron methyl Phenyl isothiocyanate o-Toluic acid Kresoxim-methyl Sulfamethoxazole Thiophanate-methyl CARBOXYLIC ACID 4-(Aminomethyl)benzoic acid p-Toluic acid 5-Methylisoxazole 5-Methyl-4-isoxazolecarboxylic acid Methyl salicylate Trimethylphenylammonium chloride METSULFURON METHYL
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