2-(3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-2-yl)ethyl 4-nitrobenzenecarboxylate CAS 866039-52-3
| CAS No. | 866039-52-3 |
| Molecular Formula | C16H13N3O6 |
| Molecular Weight | 343.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-2-yl)ethyl 4-nitrobenzenecarboxylate (CAS 866039-52-3), molecular formula C16H13N3O6 and molecular weight 343.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-2-yl)ethyl 4-nitrobenzenecarboxylate (C16H13N3O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 343.29 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(3-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazin-2-yl)ethyl 4-nitrobenzenecarboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H13N3O6 |
| Molecular Weight | 343.29 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 6-(4-Nitrobenzoyl)-1,3-benzodioxole-5-acetic Acid Methyl Ester (CAS 197369-14-5)
- 5-(2-azidoethoxy)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (CAS 2467425-39-2)
- 2-[5-(2,4-Dichlorobenzoyl)thiophen-2-yl]acetamide (CAS 478260-93-4)
- 2-Methyl-1,8-naphthyridine-3-carbohydrazide (CAS 120765-21-1)
- Cyclohexane-1,4-diylbis(methylene) bis(2-ethylhexanoate) (CAS 53148-32-6)
- 2-(2-Chloroethyl)pyridine hydrochloride (CAS 4226-37-3)
- Ethyl 2-(5-amino-2-pyridyl)-4-methylthiazole-5-carboxylate (CAS 1858251-31-6)
- PF-3774076 (CAS 1171824-96-6)
- 1,4-Dibromo-2,5-bis(2-bromoethyl)benzene (CAS 78965-35-2)
- N-Nitroso Guvacoline-d4 (CAS 1330277-21-8)
- [1-(2-Amino-acetyl)-piperidin-3-yl]-methyl-carbamic acid tert-butyl ester (CAS 1353945-04-6)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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