2,3-Dihydro-5-nitrobenzofuran CAS 17403-47-3
| CAS No. | 17403-47-3 |
| Molecular Formula | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,3-Dihydro-5-nitrobenzofuran (CAS 17403-47-3), molecular formula C8H7NO3 and molecular weight 165.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,3-Dihydro-5-nitrobenzofuran (C8H7NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 165.15 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2,3-Dihydro-5-nitrobenzofuran 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 | C8H7NO3 |
| Molecular Weight | 165.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- 3-Oxo-2,3-dihydro-1H-pyrrolizine-5-carboxylic acid (CAS 132114-55-7)
- 2,3-Dihydro-[1,4]dioxino-[2,3-c]pyridine-5-carbaldehyde (CAS 1414864-13-3)
- 6,7-Dihydro-5H-pyrrolo[2,3-d]pyrimidine-4-carboxylic acid (CAS 1513237-82-5)
- 1-Oxo-2,3-dihydro-1H-pyrrolizine-3-carboxylic acid (CAS 716362-06-0)
- 2,3-Dihydro-[1,4]dioxino[2,3-b]pyridine-6-carbaldehyde (CAS 615568-24-6)
- 2,3-Dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehyde (CAS 443955-90-6)
- 3-Methyl-5,6-dihydro-1H-pyrrolo[2,3-d]pyridazine-4,7-dione (CAS 67855-98-5)
- N-(7,8-Dihydro-1H-purin-8-yl)formamide (CAS 339365-41-2)
Recommended Standards
- 3-(3,6-Dioxo-3,6-dihydropyridazin-1(2H)-yl)propanenitrile (CAS 17285-16-4)
- 3-Ethylisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 175348-11-5)
- 6,7-Dihydroxyindolin-2-one (CAS 172226-21-0)
- 4-Methoxy-3-methylisoxazolo[5,4-d]pyrimidine (CAS 175348-25-1)
- 3,4-Dibromo-6-chloro-1H-indazole (CAS 887568-34-5)
- 4-(4-Isobutoxycarbonyl)piperazino-1-bromobenzene (CAS 1226808-71-4)
- 6-Fluoro-3H-indol-2-amine (CAS 769912-67-6)
- 4-Ethoxy-1-ethyl-1h-indole-2-carboxylic acid (CAS 1017062-78-0)
- Conduritol B (CAS 25348-64-5)
- 1-Cyclopropyl-5-oxo-2-phenyl-3-pyrrolidinecarboxylic acid (CAS 1219571-56-8)
- 3-(4-Ethyl-5-hydroxy-3-methyl-1h-pyrazol-1-yl)benzoic acid (CAS 1005615-03-1)
- 2-(4-Bromo-5-methylthiophen-2-yl)-1,3-dioxolane (CAS 479196-49-1)
- Fmoc-Glu(OBzl)-OH (CAS 123639-61-2)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
Why CATO?
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