≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Isoxazole-5-carboxylic acid can be obtained via dehydration of 5-trichloromethylisoxazole.
| Pubchem Sid | 488192045 |
|---|---|
| Canonical Smiles | C1=C(ON=C1)C(=O)O |
| IUPAC Name | 1,2-oxazole-5-carboxylic acid |
| InChIKey | MIIQJAUWHSUTIT-UHFFFAOYSA-N |
| INCHI | 1S/C4H3NO3/c6-4(7)3-1-2-5-8-3/h1-2H,(H,6,7) |
| Isomeric SMILES | C1=C(ON=C1)C(=O)O |
| WGK Germany | 3 |
| Molecular Weight | 113.07 |
| Reaxy-Rn | 112672 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=112672&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azoles |
| Subclass | Isoxazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Isoxazoles |
| Alternative Parents | Heteroaromatic compounds Oxacyclic compounds Monocarboxylic acids and derivatives Carboxylic acids Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Heteroaromatic compound - Isoxazole - Oxacycle - Azacycle - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as isoxazoles. These are heterocyclic organic compounds containing an isoxazole moiety, with a structure characterized by a five-member aromatic ring with one oxygen atom and one nitrogen atom at ring positions 1 and 2, respectively. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 B2528583 | Certificate of Analysis | Jun 18, 2024 | I121616 |
| C2514709 | Certificate of Analysis | Jun 17, 2024 | I121616 |
| J2418728 | Certificate of Analysis | Jun 17, 2024 | I121616 |
| J2418729 | Certificate of Analysis | Jun 17, 2024 | I121616 |
| E2027113 | Certificate of Analysis | Mar 12, 2024 | I121616 |
| L2301169 | Certificate of Analysis | Dec 12, 2023 | I121616 |
| L2219058 | Certificate of Analysis | Jan 06, 2023 | I121616 |
| Solubility | Slightly soluble in water. |
|---|---|
| Sensitivity | Moisture Sensitive |
| Melt Point(°C) | 141-144°C |
| Molecular Weight | 113.070 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 113.011 Da |
| Monoisotopic Mass | 113.011 Da |
| Topological Polar Surface Area | 63.300 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 103.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
