4,4-Bis(4-hydroxy-3-nitrophenyl)pentanoic acid CAS 14601-82-2
| CAS No. | 14601-82-2 |
| Molecular Formula | C17H16N2O8 |
| Molecular Weight | 376.32 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.
4,4-Bis(4-hydroxy-3-nitrophenyl)pentanoic acid (CAS 14601-82-2) is a high-purity analytical reference standard with the molecular formula C17H16N2O8 and a molecular weight of 376.32 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 4,4-Bis(4-hydroxy-3-nitrophenyl)pentanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4,4-Bis(4-hydroxy-3-nitrophenyl)pentanoic acid 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 | C17H16N2O8 |
| Molecular Weight | 376.32 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-(Piperidin-4-yl)pyrazine (CAS 736134-74-0)
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- 5-(2-Pyrrolidinyl)-1H-1,2,4-triazole hydrochloride (CAS 1955523-42-8)
- 4-Cyclopropoxy-5-(dimethylamino)-N-methylnicotinamide (CAS 1243392-18-8)
- 5-Amino-1-(3-ethoxypropyl)pyridin-2(1h)-one (CAS 1094867-82-9)
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- N-(3-fluoro-4-methoxybenzyl)ethanamine (CAS 851903-83-8)
- 2-Amino-4-(4-iodo-1h-pyrazol-1-yl)-2-methylbutanamide (CAS 1341404-87-2)
- HA Peptide (CAS 92000-76-5)
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