Ethyl 6-methyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate hydrochloride CAS 68281-44-7
| CAS No. | 68281-44-7 |
| Molecular Formula | C12H15NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 6-methyl-3,4-dihydro-2H-1,4-benzoxazine-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.
Ethyl 6-methyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate hydrochloride (CAS 68281-44-7) is a high-purity analytical reference standard with the molecular formula C12H15NO3HCl and a molecular weight of 257.71 g/mol.
Based on its molecular formula C12H15NO3HCl, Ethyl 6-methyl-3,4-dihydro-2H-1,4-benzoxazine-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 257.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H15NO3 HCl |
| Molecular Weight | 257.71 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (3-[(4-Pyrimidin-2-ylpiperazin-1-yl)sulfonyl]propyl)amine (CAS 1105192-87-7)
- 1,2-O-Isopropylidene-α-D-xylo-pentodialdo-1,4-furanose (CAS 53167-11-6)
- Florifenine-d4 (CAS 1346599-27-6)
- ((Diphenylphosphino)ethynyl)diphenylphosphine 5112-95-8 Bis(diphenylphosphino)acetylene Bis(diphenylphosphino)ethyne (CAS 5112-95-8)
- 5-(Sec-butyl)-2-methoxybenzaldehyde (CAS 145742-40-1)
- Isocamphane (CAS 38451-93-3)
- 1-[3-(1H-pyrrol-1-yl)phenyl]ethanamine,HCl (CAS 1431970-23-8)
- 1-Bromo-2-fluoro-2-methylpropane (CAS 19869-78-4)
- 1-((2,4-Dichlorobenzyl)sulfonyl)-2-(3,4-dichlorophenyl)propan-2-ol (CAS 339276-85-6)
- 551936-17-5 3JX85UOO24 AIM-102 UNII-3JX85UOO24 (4R)-4-(((2R)-2-Amino-3-cyclohexyl-propanoyl)amino)-5-(carboxymethylamino)-5-oxo-pentanoic acid D-Cyclohexylalanine-D-glutamic-glycine tripeptide Glycine, 3-cyclohexyl-D-alanyl-D-alpha-glutamyl- (CAS 551936-17-5)
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