≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Oxazole ring is present in various natural products. The diradical interactions in the ring-opening reaction of oxazole were studied
| Pubchem Sid | 488180955 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488180955 |
| Canonical Smiles | C1=COC=N1 |
| IUPAC Name | 1,3-oxazole |
| InChIKey | ZCQWOFVYLHDMMC-UHFFFAOYSA-N |
| INCHI | 1S/C3H3NO/c1-2-5-3-4-1/h1-3H |
| Isomeric SMILES | C1=COC=N1 |
| WGK Germany | 3 |
| UN Number | 1993 |
| Molecular Weight | 69.06 |
| Beilstein | 103851 |
| Reaxy-Rn | 103851 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=103851&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 | Oxazoles |
| Alternative Parents | Heteroaromatic compounds Oxacyclic compounds Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Heteroaromatic compound - Oxazole - Oxacycle - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as oxazoles. These are compounds containing an oxazole ring, which 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 | 1,3-oxazoles - mancude organic heteromonocyclic parent - monocyclic heteroarene |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C2211469 | Certificate of Analysis | Dec 10, 2025 | O100893 |
| C1820134 | Certificate of Analysis | Oct 14, 2025 | O100893 |
| J2126697 | Certificate of Analysis | Aug 11, 2025 | O100893 |
| J2125023 | Certificate of Analysis | Aug 11, 2025 | O100893 |
| F2415347 | Certificate of Analysis | Mar 30, 2024 | O100893 |
| F2415166 | Certificate of Analysis | Mar 30, 2024 | O100893 |
| F1621020 | Certificate of Analysis | Feb 21, 2024 | O100893 |
| J2326560 | Certificate of Analysis | Oct 16, 2023 | O100893 |
| J2326538 | Certificate of Analysis | Oct 16, 2023 | O100893 |
| J2326537 | Certificate of Analysis | Oct 16, 2023 | O100893 |
| F2306858 | Certificate of Analysis | May 29, 2023 | O100893 |
| F2306872 | Certificate of Analysis | May 29, 2023 | O100893 |
| F2306830 | Certificate of Analysis | May 29, 2023 | O100893 |
| F2306819 | Certificate of Analysis | May 29, 2023 | O100893 |
| B23081187 | Certificate of Analysis | Nov 25, 2022 | O100893 |
| B23081230 | Certificate of Analysis | Nov 25, 2022 | O100893 |
| B23081212 | Certificate of Analysis | Nov 25, 2022 | O100893 |
| C2211399 | Certificate of Analysis | Mar 01, 2022 | O100893 |
| Solubility | Miscible with alcohol and ether. Slightly miscible with water. |
|---|---|
| Sensitivity | air sensitive |
| Refractive Index | 1.4285 |
| Flash Point(°F) | 66.2 °F |
| Flash Point(°C) | 19°C |
| Boil Point(°C) | 70°C |
| Melt Point(°C) | -86°C |
| Molecular Weight | 69.060 g/mol |
| XLogP3 | 0.100 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 69.0215 Da |
| Monoisotopic Mass | 69.0215 Da |
| Topological Polar Surface Area | 26.000 Ų |
| Heavy Atom Count | 5 |
| Formal Charge | 0 |
| Complexity | 30.100 |
| 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 |
| 1. Qing Zhihe, Li Yacheng, Li Younan, Luo Guoyan, Hu Jinlei, Zou Zhen, Lei Yanli, Liu Juewen, Yang Ronghua. (2020) Thiol-suppressed I2-etching of AuNRs: acetylcholinesterase-mediated colorimetric detection of organophosphorus pesticides. MICROCHIMICA ACTA, 187 (9): (1-9). [PMID:32803418] [10.1007/s00604-020-04486-2] |
| 2. Li Younan, Luo Guoyan, Qing Zhihe, Li Xiaoxuan, Zou Zhen, Yang Ronghua. (2019) Colorimetric aminotriazole assay based on catalase deactivation-dependent longitudinal etching of gold nanorods. MICROCHIMICA ACTA, 186 (8): (1-7). [PMID:31338677] [10.1007/s00604-019-3677-1] |
