2-Nitro-5-propoxybenzofuran CAS 56897-14-4
| CAS No. | 56897-14-4 |
| Molecular Formula | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 221.21 g/mol gives 2-Nitro-5-propoxybenzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Nitro-5-propoxybenzofuran (CAS 56897-14-4), molecular formula C11H11NO4 and molecular weight 221.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H11NO4, 2-Nitro-5-propoxybenzofuran contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.21 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.
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-Nitro-5-propoxybenzofuran 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 | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- (2E,4E)-5-(Furan-2-yl)-1-phenylpenta-2,4-dien-1-one (CAS 1202933-37-6)
- 4-Ethoxy-6-(furan-2-yl)-1,6-dihydro-1,3,5-triazin-2-amine (CAS 693209-45-9)
- Vonoprazan Impurity 164 (CAS CATO-C4X-1020164)
- 1-Bromo-2-chloro-4-vinylbenzene (CAS 1692077-74-9)
- 3-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2,4-triazolo[4,3-a]pyridine (CAS 1231934-47-6)
- 2,3-Dihydro-6-azaindole Dihydrochloride (CAS 1432681-13-4)
- 8-Chloroisoquinolin-1(2H)-one (CAS 1368031-04-2)
- 2-Amino-5-(4-aminobenzamido)benzenesulfonic acid (CAS 58862-43-4)
- C-Peptide (human) (CAS 33017-11-7)
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