2-(2-Acetylbenzo[d]oxazol-5-yl)acetic acid CAS 1803815-50-0
| CAS No. | 1803815-50-0 |
| Molecular Formula | C11H9NO4 |
| Molecular Weight | 219.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Acetylbenzo[d]oxazol-5-yl)acetic acid (CAS 1803815-50-0) is a high-purity analytical reference standard with the molecular formula C11H9NO4 and a molecular weight of 219.19 g/mol.
2-(2-Acetylbenzo[d]oxazol-5-yl)acetic acid (C11H9NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(2-Acetylbenzo[d]oxazol-5-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 | C11H9NO4 |
| Molecular Weight | 219.19 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.) | 1995 |
| Nitrogen Atoms | 1 |
Related Acetylbenzo Standards
- 2-(2-Acetylbenzo[d]oxazol-6-yl)acetic acid (CAS 1803836-91-0)
- 2-(2-Acetylbenzo[d]oxazol-4-yl)acetic acid (CAS 1806528-50-6)
- 2-Acetylbenzo[d]oxazole-6-carboxylic acid (CAS 1518790-88-9)
- 2-Acetylbenzo[d]oxazole-4-carboxylic acid (CAS 1803858-29-8)
- 4-Acetylbenzo[d]oxazole-2-carboxylic acid (CAS 1804454-77-0)
- 2-Acetylbenzo[d]oxazole-4-carboxamide (CAS 1804084-02-3)
- 2-Acetylbenzo[d]oxazole-7-carboxamide (CAS 1806492-57-8)
- 2-Acetylbenzo[d]oxazole-6-carboxamide (CAS 1806573-25-0)
Recommended Standards
- 3-(4-(Hydroxymethyl)benzo[d]oxazol-2-yl)acrylic acid (CAS 1803426-84-7)
- 2-(Hydroxymethyl)benzo[d]oxazole-5-acrylic acid (CAS 1803426-66-5)
- 2-(Difluoromethyl)-3,5-dimethoxypyridine-6-methanol (CAS 1805050-83-2)
- 2-(Hydroxymethyl)benzo[d]oxazole-4-acrylic acid (CAS 1803426-25-6)
- Tert-butyl ((1-amino-3-fluorocyclobutyl)methyl)carbamate (CAS 2231674-43-2)
- 5-Chloro-2-hydroxybenzene-1-sulfonyl fluoride (CAS 23383-92-8)
- 3-Methyl-7-(2-oxopropyl)-5H,6H-imidazo[2,1-b][1,3]thiazol-7-ium chloride (CAS 318959-00-1)
- 5-Chloro-6-(dimethoxymethyl)-7H-pyrrolo[2,3-b]pyridine (CAS 1305324-72-4)
- (R)-1-phenylethyl acetate (CAS 16197-92-5)
- 4,5-Dichloroindoline (CAS 162100-51-8)
- 2-(2-((4-Chlorobenzyl)thio)thiazol-4-yl)-N-(2-methoxyethyl)acetamide (CAS 954094-63-4)
- 3-Amino-4-hydroxyquinolin-2(1H)-one (CAS 99459-49-1)
- 2-Methyl-N-phenyl-1,2,3,4-tetrahydroquinolin-4-amine (CAS 1026-05-7)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com