[9-Methoxy-2-(3-methoxyphenyl)-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl]acetic acid CAS 1119450-13-3
| CAS No. | 1119450-13-3 |
| Molecular Formula | C19H21NO5 |
| Molecular Weight | 343.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 343.37 g/mol gives [9-Methoxy-2-(3-methoxyphenyl)-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[9-Methoxy-2-(3-methoxyphenyl)-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl]acetic acid (CAS 1119450-13-3), molecular formula C19H21NO5 and molecular weight 343.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, [9-Methoxy-2-(3-methoxyphenyl)-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl]acetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 343.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures [9-Methoxy-2-(3-methoxyphenyl)-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl]acetic acid 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 | C19H21NO5 |
| Molecular Weight | 343.37 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- N'-(4-Methoxy-7-methylbenzo[d]thiazol-2-yl)-2-phenoxyacetohydrazide (CAS 851987-89-8)
- 6-Methoxy-1-phenyl-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]quinoline (CAS 1193403-14-3)
- 2-(5-Methoxy-2-(p-tolylsulfinyl)phenyl)-4,4-dimethyl-4,5-dihydrooxazole (CAS 2185788-98-9)
- 3-Methoxy-2-propyl-N-(2-(thiophen-2-yl)ethyl)-2H-indazole-6-carboxamide (CAS 919107-97-4)
- 8-((4-Methoxy-2-methylphenyl)sulfonyl)-1-oxa-4-thia-8-azaspiro[4.5]decane (CAS 1351661-04-5)
- Methyl 5-(2-methoxy-2-oxoethyl)-1-(3-(trifluoromethyl)phenyl)-1H-1,2,3-triazole-4-carboxylate (CAS 303995-97-3)
- Methyl 5-(2-methoxy-2-oxoethyl)-1-(4-(trifluoromethyl)phenyl)-1H-1,2,3-triazole-4-carboxylate (CAS 303995-96-2)
- Methoxy-dimethyl-octadecylsilane (CAS 71808-65-6)
Recommended Standards
- 6-((4-Methoxyphenyl)(morpholino)methyl)benzo[d][1,3]dioxol-5-ol (CAS 102616-61-5)
- N-[5-(Hydroxymethyl)-2-phenyl-1,3-dioxan-5-yl]-carbamic Acid Benzyl Ester (CAS 1125824-87-4)
- Imipenem Impurity 105 (CAS CATO-C4X-1662105)
- 1159977-01-1 2-Methyl-benzoic Acid (4-Methoxy-6-(o-acetyl-methyl)-5-methyl-3-pyridinyl)methyl Ester 6-Acetoxymethyl-4-methoxy-5-methyl-3-pyridylmethanol o-Toluate o-Toluic Acid [4-Methoxy-6-(o-acetyl-methyl)-5-methyl-3-pyridinyl]methyl Ester (CAS 1159977-01-1)
- N-(piperidin-3-ylmethyl)-N-propylpropan-1-amine dihydrochloride (CAS 1219957-11-5)
- 2,6-Dichloro-4-(1H-imidazol-2-yl)aniline (CAS 1337882-05-9)
- 2-(2-Oxoindolin-3-yl)acetic acid (CAS 2971-31-5)
- (1-Methoxypropan-2-yl)(2,2,2-trifluoroethyl)amine (CAS 1021058-17-2)
- 3,3-difluoro-5-(iodomethyl)oxolan-2-one (CAS 1256080-97-3)
- Ribavirin Impurity 51 (CAS 4928-88-5)
- (-)-18-Methoxycoronaridine (CAS 308123-60-6)
- 1-Benzyl-4-chloro-1,8-naphthyridin-2(1H)-one (CAS 583031-57-6)
- Eriodictyol-7-O-Glucuronide (CAS 133360-47-1)
- Nonapeptide-1 (CAS 158563-45-2)
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