1-(Oxazol-2-yl)ethan-1-one CAS 77311-07-0
| CAS No. | 77311-07-0 |
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(Oxazol-2-yl)ethan-1-one (CAS 77311-07-0), a certified reference material (molecular formula C5H5NO2, MW 111.10 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H5NO2, 1-(Oxazol-2-yl)ethan-1-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 111.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(Oxazol-2-yl)ethan-1-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H5NO2 |
| Molecular Weight | 111.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related Oxazol Standards
- 1-(1,3-Oxazol-5-yl)ethanone (CAS 1263378-07-9)
- 1-(1,2-oxazol-3-yl)ethan-1-one (CAS 88511-37-9)
- 1-(Oxazol-4-yl)ethan-1-one (CAS 859046-10-9)
- 2-oxazol-2-ylacetaldehyde (CAS 944907-27-1)
- (5-Methyl-1,3-oxazol-4-yl)methanamine (CAS 1056162-11-8)
- 1-(Oxazol-4-yl)ethan-1-amine (CAS 1083216-58-3)
- 2-(Oxazol-5-yl)ethan-1-amine (CAS 1083337-91-0)
- 1-(Oxazol-2-yl)ethan-1-amine (CAS 1083396-36-4)
Recommended Standards
- 1-(Isoxazol-5-yl)ethan-1-one (CAS 88511-38-0)
- 1-(4H-1,2,4-Triazol-4-yl)ethanone (CAS 21565-40-2)
- 1-Cyanovinyl acetate (CAS 3061-65-2)
- 1-(2H-1,2,3-Triazol-4-yl)ethanone (CAS 6595-45-5)
- 4-(4-Fluorophenyl)-1-(4-(4-methoxyphenyl)thiazol-2-yl)-1H-pyrazol-5-amine (CAS 955966-79-7)
- N-tert-Butoxycarbonyl 1-(3-Methylbenzyl)piperazine-d8 (CAS 1329485-57-5)
- 4-(Difluoromethyl)-3-fluoro-5-iodo-2-methylpyridine (CAS 1805585-53-8)
- (2S,2'S,3R)-5,5',7,7'-Tetrahydroxy-2,2'-bis(4-hydroxyphenyl)-[3,8'-bichroman]-4,4'-dione (CAS 19360-72-6)
- 3-Hydroxy-2-methylpropanamide (CAS 165809-62-1)
- 3-Bromo-6-ethoxypyridazine (CAS 17321-30-1)
- 2-(3-mercapto-5-thien-2-yl-4H-1,2,4-triazol-4-yl)acetamide (CAS 929972-36-1)
- 3-chloro-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1020036-31-0)
- 2-(2-Chlorophenyl)pyrimidine-5-carboxylic acid (CAS 928712-83-8)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
Why CATO?
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