≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice 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.
| Canonical Smiles | CC1=C(N=CO1)C(=O)OC |
|---|---|
| IUPAC Name | methyl 5-methyl-1,3-oxazole-4-carboxylate |
| InChIKey | UMYOVEXLUCPUAU-UHFFFAOYSA-N |
| INCHI | 1S/C6H7NO3/c1-4-5(6(8)9-2)7-3-10-4/h3H,1-2H3 |
| Isomeric SMILES | CC1=C(N=CO1)C(=O)OC |
| Molecular Weight | 141.12 |
| Reaxy-Rn | 971455 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=971455&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 | Oxazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 4,5-disubstituted oxazoles |
| Alternative Parents | Methyl esters Heteroaromatic compounds Oxacyclic compounds Monocarboxylic acids and derivatives Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | 4,5-disubstituted 1,3-oxazole - Methyl ester - Heteroaromatic compound - Carboxylic acid ester - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Azacycle - Oxacycle - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as 4,5-disubstituted oxazoles. These are compounds containing an oxazole ring substituted at positions 4 and 5 only. Oxazole is a five-membered aromatic heterocycle with one oxygen, one nitrogen, and three carbon atoms. Isomers include 1,2-oxazole and 1,3-oxazole. |
| 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 |
|---|---|---|---|
 A2622550 | Certificate of Analysis | Nov 28, 2025 | M184419 |
| A2622551 | Certificate of Analysis | Nov 28, 2025 | M184419 |
| A2622561 | Certificate of Analysis | Nov 28, 2025 | M184419 |
| A2622562 | Certificate of Analysis | Nov 28, 2025 | M184419 |
| Molecular Weight | 141.120 g/mol |
|---|---|
| XLogP3 | 0.900 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 141.043 Da |
| Monoisotopic Mass | 141.043 Da |
| Topological Polar Surface Area | 52.300 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 137.000 |
| 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 |
