9-Methoxy-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid CAS 1956376-43-4
| CAS No. | 1956376-43-4 |
| Molecular Formula | C13H12N2O4 |
| Molecular Weight | 260.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 9-Methoxy-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid (CAS 1956376-43-4), a certified reference material (molecular formula C13H12N2O4, MW 260.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H12N2O4, 9-Methoxy-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 260.25 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H12N2O4 |
| Molecular Weight | 260.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 2-(2-Methoxy-4-methylphenoxy)-5-nitropyridine (CAS 1089602-23-2)
- 4-Methoxy-6-oxo-1-(o-tolyl)-1,6-dihydropyridazine-3-carboxylic acid (CAS 1105193-16-5)
- 4-Methoxy-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxylic acid (CAS 1105193-21-2)
- 5-(2-Methoxy-5-methylphenoxy)pyrazine-2-carboxylic acid (CAS 1199215-54-7)
- 2-(3-Methoxy-4-methylphenoxy)-5-nitropyridine (CAS 1311138-06-3)
- 2-(4-Methoxy-6-oxo-3-phenylpyridazin-1(6H)-yl)acetic acid (CAS 1429900-96-8)
- 2-(5-Methoxy-1,6-dimethyl-2,4-dioxo-1,4-dihydropyrido[2,3-d]pyrimidin-3(2H)-yl)acetonitrile (CAS 921475-05-0)
- 6-(4-Methoxy-phenyl)-1-methyl-2-oxo-1,2-dihydro-pyrimidine-4-carboxylic acid (CAS 951958-27-3)
Recommended Standards
- 4-(4-Methoxybenzyl)-3-oxo-3,4-dihydropyrazine-2-carboxylic acid (CAS 1956364-53-6)
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- Ethyl 3-(2-(trifluoromethyl)phenyl)butanoate (CAS 1956335-20-8)
- (S)-2-(2-(1H-Indol-3-yl)-2-oxoacetamido)propanoic acid (CAS 94732-38-4)
- 3-Isothiocyanatoisoquinoline (CAS 769960-94-3)
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- N-(4-chlorophenyl)-5-((4-chlorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321533-82-8)
- 2-(2-Bromophenyl)furan (CAS 38527-58-1)
- N-(2-(Cyclopropylmethoxy)-3-hydroxyphenyl)methanesulfonamide (CAS 1243369-02-9)
- Tert-butyl 2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-cyanoacetate (CAS 1426290-06-3)
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- N1-Hexadecyl-N3-methyl-1,3-propanediamine (CAS 1040690-54-7)
- Palmitoyl Tripeptide-8 TFA salt (CAS 936544-53-5)
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