2,4-Dimethyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid CAS 155445-40-2
| CAS No. | 155445-40-2 |
| Molecular Formula | C9H9NO3 |
| Molecular Weight | 179.17 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.
2,4-Dimethyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 155445-40-2) is a high-purity analytical reference standard with the molecular formula C9H9NO3 and a molecular weight of 179.17 g/mol.
Based on its molecular formula C9H9NO3, 2,4-Dimethyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid 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 179.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,4-Dimethyl-4h-furo[3,2-b]pyrrole-5-carboxylic 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 | C9H9NO3 |
| Molecular Weight | 179.17 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.) | 2001 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- 2,3-Dimethyl-6-nitrobenzaldehyde (CAS 109133-82-6)
- 2,3-Dimethyl-4H-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 145161-93-9)
- 4,5-Dimethyl-2-nitrobenzaldehyde (CAS 170991-13-6)
- 2,6-Dimethyl-3-nitrobenzaldehyde (CAS 179554-17-7)
- 3,5-Dimethyl-4-nitrobenzaldehyde (CAS 18515-18-9)
- 1,3-Dimethyl-1H,4H,6H,7H-pyrano[4,3-b]pyrrole-4,6-dione (CAS 86814-97-3)
- 2,5-Dimethyl-3-nitrobenzaldehyde (CAS 69022-52-2)
- 3,5-dimethyl-2-nitrobenzaldehyde (CAS 713147-74-1)
Recommended Standards
- Methyl 2-methyl-4H-furo[3,2-b]pyrrole-5-carboxylate (CAS 155445-28-6)
- 1-(4-Methyl-2-nitrophenyl)ethanone (CAS 155694-84-1)
- Methyl 6-acetylpyridine-3-carboxylate (CAS 153559-93-4)
- Malonanilic Acid (CAS 15580-32-2)
- 1-(Difluoromethyl)cyclohexan-1-amine (CAS 1461704-88-0)
- Benzo[d]isothiazole-5-carboxylic acid (CAS 1197944-17-4)
- Methyl 4-amino-1-(2-methoxy-4-(methoxycarbonyl)benzyl)-1H-pyrazole-5-carboxylate (CAS 2410517-85-8)
- Potassium (2R,3S,4S,5S)-2,3,4,5-tetrahydroxyhexanedioate (CAS 84864-60-8)
- 1243000-01-2 (3,5-Difluorophenyl){[4-(piperidin-1-ylmethyl)-2-thienyl]methyl}amine MFCD15732326 (CAS 1243000-01-2)
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