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- Purity
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CAS Number: 4857-42-5
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CAS Number
4857-42-5
PubChem CID
853085
Molecular Formula
C5H5NO3
Molecular Weight
127.1 g/mol
Exact Mass
127.026943
InChIKey
HXIYCKAAQPHZBM-UHFFFAOYSA-N
IUPAC Name
3-methyl-1,2-oxazole-5-carboxylic acid
SMILES String
CC1=NOC(=C1)C(=O)O
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
3-Methylisoxazole-5-carboxylic acid (CAS 4857-42-5) is listed in the Advanced Chemicals portfolio, with molecular formula C5H5NO3 and molecular weight 127. 10 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Hydroxycarboxylic acid receptor 2 (Homo sapiens) — 3 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Hydroxycarboxylic acid receptor 2
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 2 documents · best pChEMBL 5.89
Experimental evidence source: ChEMBL
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
3-Methylisoxazole-5-carboxylic acid is identified by CAS 4857-42-5, with molecular formula C5H5NO3, molecular weight 127.1, InChIKey HXIYCKAAQPHZBM-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Hydroxycarboxylic acid receptor 2. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
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