3,5-Dihydrobenzo[e][1,4]oxazepin-2(1H)-one CAS 3693-08-1
| CAS No. | 3693-08-1 |
| Molecular Formula | C9H9NO2 |
| Molecular Weight | 163.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 163.17 g/mol gives 3,5-Dihydrobenzo[e][1,4]oxazepin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Dihydrobenzo[e][1,4]oxazepin-2(1H)-one (CAS 3693-08-1) is a high-purity analytical reference standard with the molecular formula C9H9NO2 and a molecular weight of 163.17 g/mol.
3,5-Dihydrobenzo[e][1,4]oxazepin-2(1H)-one (C9H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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.
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 3,5-Dihydrobenzo[e][1,4]oxazepin-2(1H)-one 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 | C9H9NO2 |
| Molecular Weight | 163.17 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Dihydrobenzo Standards
- 3,4-Dihydrobenzo[f][1,4]oxazepin-5(2H)-one (CAS 703-51-5)
- 2-Oxo-2,3-dihydrobenzo[d]oxazole-5-carbaldehyde (CAS 581102-27-4)
- 2-Oxo-2,3-dihydrobenzo[d]oxazole-7-carbaldehyde (CAS 926004-14-0)
- 4,5-Dihydrobenzo[b]oxepin-2(3H)-one (CAS 3041-17-6)
- 2,3-Dihydrobenzo[b][1,4]dioxine-2-carbaldehyde (CAS 64179-67-5)
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Recommended Standards
- 3,4-Dimethoxyphenylisocyanide (CAS 33904-01-7)
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- 3-Acetamidobenzaldehyde (CAS 59755-25-8)
- 5-(3-Fluoro-4-methoxyphenyl)oxazole-4-carboxylic acid (CAS 1380201-66-0)
- 4-Amino-N-ethyl-3-methylbenzamide (CAS 912878-75-2)
- Nadoxolol (CAS 54063-51-3)
- 4-Chlorodibenzofuran (CAS 74992-96-4)
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- Methyl 4-ethyl-1H-pyrrole-2-carboxylate (CAS 40611-83-4)
- N-(5-Amino-2-methoxyphenyl)-2-(2-isopropylphenoxy)acetamide (CAS 1020054-31-2)
- (S)-6-Aminonicotine Hydrochloride (CAS 81990-64-9)
- 6-(2-Methoxyphenyl)-1-methyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 1368510-71-7)
- Peptide WE-14 (CAS 115136-18-0)
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