2-(5-Phenyl-1,2-oxazol-3-yl)acetic acid CAS 3919-88-8
| CAS No. | 3919-88-8 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(5-Phenyl-1,2-oxazol-3-yl)acetic acid (C11H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2-(5-Phenyl-1,2-oxazol-3-yl)acetic acid (CAS 3919-88-8), a certified reference material (molecular formula C11H9NO3, MW 203.19 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(5-Phenyl-1,2-oxazol-3-yl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
- 2-(2-Phenyl-1,3-oxazol-4-yl)acetic acid (CAS 22086-89-1)
- Methyl 3-(oxazol-4-yl)benzoate (CAS 473548-55-9)
- Methyl 4-(oxazol-2-yl)benzoate (CAS 421553-40-4)
- 4-(Oxazol-5-yl)benzohydrazide (CAS 886362-14-7)
- 6-(3-(Oxazol-2-yl)propyl)pyridin-3-amine (CAS 1398048-78-6)
- 4-(1,3-Oxazol-5-yl)phenylisothiocyanate (CAS 321309-41-5)
- 4-(Oxazol-4-ylamino)benzoic acid (CAS 391870-64-7)
- 2-(4-(Oxazol-4-yl)phenoxy)ethanamine (CAS 416859-73-9)
Recommended Standards
- 2-(5-Formyl-1H-indol-1-yl)acetic acid (CAS 219685-11-7)
- 2-(6-Formyl-1H-indol-1-yl)acetic acid (CAS 952934-01-9)
- 2-(4-Oxo-1,4-dihydroquinolin-3-yl)acetic acid (CAS 90689-38-6)
- 2-(8-Hydroxyquinolin-5-yl)acetic acid (CAS 57434-92-1)
- 1-((Trifluoromethyl)thio)pyrrolidine-2,5-dione (CAS 183267-04-1)
- Tirapazamine (CAS 27314-97-2)
- N-(4-Chloro-2-methylphenyl)-2-((4-ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618427-50-2)
- 2-{[5-(2-Furyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-1-phenyl-1-ethanone (CAS 311789-94-3)
- Tert-butyl (S)-indoline-2-carboxylate (CAS 116586-57-3)
- 2-Allyl-2-methyl-1,3-propanediol (CAS 25462-37-7)
- 4-Methoxy-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 1210048-04-6)
- Ethyl 3-(1h-benzo[d]imidazol-2-yl)propanoate (CAS 6315-23-7)
- 5-Fluoro-1H-benzo[d][1,2,3]triazole-6-carboxamide (CAS 1928770-05-1)
- D-[Ser]8-Semaglutide (CAS CATO-C4X-2226207)
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