Methyl 2-hydroxybenzo[d]oxazole-5-carboxylate CAS 65422-70-0
| CAS No. | 65422-70-0 |
| Molecular Formula | C9H7NO4 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 193.16 g/mol gives Methyl 2-hydroxybenzo[d]oxazole-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 2-hydroxybenzo[d]oxazole-5-carboxylate (CAS 65422-70-0) is a high-purity analytical reference standard with the molecular formula C9H7NO4 and a molecular weight of 193.16 g/mol.
The molecular framework of Methyl 2-hydroxybenzo[d]oxazole-5-carboxylate (C9H7NO4) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 2-hydroxybenzo[d]oxazole-5-carboxylate 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 | C9H7NO4 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Methyl 7-hydroxybenzo[d]isoxazole-5-carboxylate (CAS 1360931-77-6)
- Methyl 5-hydroxybenzo[d]oxazole-2-carboxylate (CAS 1806320-78-4)
- 2-(5-Hydroxybenzo[d]isoxazol-3-yl)acetic Acid (CAS 34173-03-0)
- Methyl 4-hydroxybenzo[d]isoxazole-3-carboxylate (CAS 57764-45-1)
- (4-Hydroxybenzo[b]thiophen-2-yl)boronic acid (CAS 1321898-39-8)
- N'-Hydroxybenzo[b]thiophene-2-carboximidamide (CAS 337470-45-8)
- 1-(3-Hydroxybenzo[b]thiophen-2-yl)ethan-1-one (CAS 3260-92-2)
- 1-(4-Hydroxybenzo[b]thiophen-7-yl)ethan-1-one (CAS 34577-00-9)
Recommended Standards
- Methyl 1-hydroxy-1h-1,2,3-benzotriazole-6-carboxylate (CAS 743452-21-3)
- methyl 3-(furan-2-yl)isoxazole-5-carboxylate (CAS 33545-42-5)
- Erlotinib Impurity 112 (CAS 555-68-0)
- Methyl 3,5-diamino-6-cyanopyrazine-2-carboxylate (CAS 70296-91-2)
- 5-(Benzyloxy)-4-chloro-2-isopropylpyridazin-3(2H)-one (CAS 88094-11-5)
- 1-(2,6-Difluoro-4-iodopyridin-3-yl)-2,2,2-trifluoroethanol (CAS 2863533-01-9)
- 2,2,2-Trifluoro-N-(2-(trifluoromethyl)-1H-benzo[d]imidazol-7-yl)acetamide (CAS 696650-07-4)
- (2-(Methylthio)phenyl)(2-(morpholinomethyl)phenyl)methanone (CAS 898750-23-7)
- 2-Bromo-5-methylbenzene-1-sulfonamide (CAS 56919-21-2)
- 3-(1-Isopropylpiperidin-2-yl)-5-methylpyridine (CAS 1352499-28-5)
- 3-Iodo-4-(isopropylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid (CAS 175202-14-9)
- N-methyl-3-[methyl(nitroso)amino]propanamide (CAS 89614-31-3)
- Polybrominated Diphenyl Ethers In Acrylonitrile Butadiene Styrene Plastic (CAS CATO-CCRM105009)
- Semaglutide impurity 64 (CAS CATO-C4X-222664)
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