(S)-2-Nitro-6-((4-phenoxybenzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine CAS 187235-38-7
| CAS No. | 187235-38-7 |
| Molecular Formula | C19H17N3O5 |
| Molecular Weight | 367.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 367.36 g/mol gives (S)-2-Nitro-6-((4-phenoxybenzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-2-Nitro-6-((4-phenoxybenzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine (CAS 187235-38-7), molecular formula C19H17N3O5 and molecular weight 367.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H17N3O5, (S)-2-Nitro-6-((4-phenoxybenzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 (S)-2-Nitro-6-((4-phenoxybenzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine 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 | C19H17N3O5 |
| Molecular Weight | 367.36 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- PHenyl-7-methoxy-2',5'-dioxospiro[2,3-dihydroquinoline-4,4'-imidazolidine]-1-carboxylate (CAS 1258652-79-7)
- (2R,3R,4S,5R)-2-(2-Hydrazinyl-6-(((R)-tetrahydrofuran-3-yl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 920974-56-7)
- 1-(4-Bromophenyl)tetradecan-1-one (CAS 113584-27-3)
- (2R,3R,4S,5R)-2-(6-Amino-2-(phenylethynyl)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 90596-70-6)
- ((4-(tert-Butyl)phenyl)ethynyl)trimethylsilane (CAS 135883-30-6)
- 4-Hydroxy-2-oxabicyclo[2.2.2]Octane-1-carboxylic acid (CAS 2315282-11-0)
- 4-Ethynylfuran-2-carbaldehyde (CAS 1344700-96-4)
- 2-(2,4-Dichloro-5-(trifluoromethoxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377607-20-8)
- 5-(2,4-dimethylphenyl)-1,3,4-oxadiazol-2-amine (CAS 902137-22-8)
- (2E)-2-({[4-(trifluoromethoxy)phenyl]amino}methylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 860612-48-2)
- 2-Ethyl-5-methyl-4-phenyl-6-propyl-1,3,2-dioxaborinane (CAS 74421-13-9)
- 2-(1,2,4-Oxadiazol-5-yl)benzoic Acid (CAS 1250245-87-4)
- tert-Butyl phenyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)carbamate (CAS 1218791-29-7)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
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