3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde CAS 200195-19-3
| CAS No. | 200195-19-3 |
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde 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.
3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde (CAS 200195-19-3) is a high-purity analytical reference standard with the molecular formula C9H7NO3 and a molecular weight of 177.16 g/mol.
Based on its molecular formula C9H7NO3, 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 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.) | 2014 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 2-Oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxamide (CAS 1075753-21-7)
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- 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carbaldehyde (CAS 200195-15-9)
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- 8-Methyl-3,4-dihydro-2h-1,3-benzoxazine-2,4-dione (CAS 24088-78-6)
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Recommended Standards
- 3-Methylbenzo[d]isoxazole-6-carboxylic acid (CAS 478169-72-1)
- 3-Oxoindoline-2-carboxylic acid (CAS 708-38-3)
- 3-Methylbenzo[d]isoxazole-5-carboxylic acid (CAS 478169-74-3)
- 3-Oxoisoindoline-1-carboxylic acid (CAS 20361-09-5)
- Methyl 3-bromo-5-formyl-2-hydroxybenzoate (CAS 861514-69-4)
- 1-[2-(4-Benzylpiperazin-1-yl)-2-oxoethyl]pyrrolidin-2-one (CAS 113933-07-6)
- 6-Bromo-2,3,4,5-tetrahydro-1H-benzo[d]azepine (CAS 1379378-74-1)
- 5-Amino-3-methylisoxazole-4-carbonitrile (CAS 35261-01-9)
- BZ-arg-ome carbonate salt (CAS 84332-93-4)
- Methyl 3-(dibromomethyl)picolinate (CAS 1029720-23-7)
- Rottlerin (CAS 82-08-6)
- 2-Chloro-6-Methylphenol (CAS 87-64-9)
- n-(3-(Cyclopropylamino)-3-oxopropyl)cyclopentanecarboxamide (CAS 1209061-44-8)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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