5-(Furan-2-yl)-1-(2-oxo-2-phenylethyl)-1H-pyrrole-2-carboxylic acid CAS 903154-09-6
| CAS No. | 903154-09-6 |
| Molecular Formula | C17H13NO4 |
| Molecular Weight | 295.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(Furan-2-yl)-1-(2-oxo-2-phenylethyl)-1H-pyrrole-2-carboxylic acid (CAS 903154-09-6), molecular formula C17H13NO4 and molecular weight 295.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(Furan-2-yl)-1-(2-oxo-2-phenylethyl)-1H-pyrrole-2-carboxylic acid (C17H13NO4) 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 295.29 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H13NO4 |
| Molecular Weight | 295.29 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 5-Cyclopropyl-1-(1,2-dihydro-2-oxo-5-quinolinyl)-1H-pyrazole-4-carboxylic Acid (CAS 372078-47-2)
- 2-((4-(Aminomethyl)tetrahydro-2H-thiopyran-4-yl)oxy)ethan-1-ol (CAS 1696695-42-7)
- 2-((Tert-butoxycarbonyl)amino)hex-5-enoic acid (CAS 214206-61-8)
- 8-nitro-3,4-dihydro-2H-1,4-benzoxazepin-5-one (CAS 1022974-20-4)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzenethiol (CAS 1029438-23-0)
- Dobutamine Impurity 31 (CAS CATO-C4X-129831)
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- 1-(1-Propyl-1H-pyrrol-3-yl)ethanone (CAS 199192-13-7)
- tert-butyl 1-formyl-3-azabicyclo[3.1.0]hexane-3-carboxylate (CAS 1622903-52-9)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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