Ethyl 2-[(6-nitro-2-phenyl-1H-1,3-benzodiazol-1-yl)oxy]propanoate CAS 303148-99-4
| CAS No. | 303148-99-4 |
| Molecular Formula | C18H17N3O5 |
| Molecular Weight | 355.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-[(6-nitro-2-phenyl-1H-1,3-benzodiazol-1-yl)oxy]propanoate (CAS 303148-99-4), molecular formula C18H17N3O5 and molecular weight 355.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-[(6-nitro-2-phenyl-1H-1,3-benzodiazol-1-yl)oxy]propanoate (C18H17N3O5) 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 355.34 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), Ethyl 2-[(6-nitro-2-phenyl-1H-1,3-benzodiazol-1-yl)oxy]propanoate 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 | C18H17N3O5 |
| Molecular Weight | 355.34 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.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Bis(sulphosuccinimidyl)suberate (CAS 87067-99-0)
- Methyl 2-(((2S,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)benzoate (CAS 6835-61-6)
- Benzyl (4-(5-methoxy-2-oxo-1,3,4-oxadiazol-3(2H)-yl)-2-methylphenyl)carbamate (CAS 359714-55-9)
- N-((2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)methyl)cyclopropanecarboxamide (CAS 444287-44-9)
- 2-(5-Bromo-2-chloropyridin-4-yl)acetonitrile (CAS 1227590-03-5)
- N'-(4-Fluorobenzo[d]thiazol-2-yl)-4-methoxybenzohydrazide (CAS 851978-72-8)
- 3-Bromo-5-fluorobenzaldehyde (CAS 188813-02-7)
- Diethyl (quinolin-8-ylmethyl)phosphonate (CAS 75355-36-1)
- 6-Ethynyl-4-methylpyridin-2-amine (CAS 1582754-31-1)
- 4-(Difluoromethyl)-5-hydroxy-2-iodonicotinoyl chloride (CAS 1806940-18-0)
- Isopropyl Carbamate (CAS 1746-77-6)
- 4-(2-Hydroxy-2-methylpropanoyl)benzonitrile (CAS 83846-36-0)
- 4-Ethoxybenzene-1,2-diamine sulfate (CAS 85137-09-3)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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