Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride CAS 13582-92-8
| CAS No. | 13582-92-8 |
| Molecular Formula | C11H13NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 243.69 g/mol gives Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride (CAS 13582-92-8) is a high-purity analytical reference standard with the molecular formula C11H13NO3HCl and a molecular weight of 243.69 g/mol.
Based on its molecular formula C11H13NO3HCl, Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 243.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride 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 | C11H13NO3 HCl |
| Molecular Weight | 243.69 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 5H,7H-furo[3,4-d]pyrimidin-2-amine (CAS 1648750-00-8)
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- Benzyl(1-(4-chlorophenyl)-3-(pyrrolidin-1-yl)propyl)(methyl)carbamate (CAS 675602-82-1)
- (2,4-Difluorophenyl)(3-methanesulfonylphenyl)methanamine hydrochloride (CAS 1354952-95-6)
- 4,6-Dichloro-2-(difluoromethyl)pyridine-3-sulfonyl chloride (CAS 1805053-71-7)
- (1-METHYL-2-OXOINDOLIN-4-YL)BORONIC ACID PINACOL ESTER (CAS 1471258-32-8)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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