5-Methyl-4-nitrofuran-2-carboxylic acid CAS 326867-81-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 326867-81-6 |
| Molecular Formula | C6H5NO5 |
| Molecular Weight | 171.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-4-nitrofuran-2-carboxylic acid (CAS 326867-81-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5NO5. Molecular weight: 171.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5NO5 |
| Molecular Weight | 171.11 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-Methyl-4-nitro-1H-pyrazole-3-carboxylic acid (CAS 75103-81-0)
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- methyl 1-nitro-1H-pyrazole-3-carboxylate (CAS 198348-95-7)
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- 1-Benzyl-4,5,6,7,8,9-hexahydro-1H-cycloocta[d][1,2,3]triazole (CAS 15922-51-7)
- 1-((Tetrahydro-2H-pyran-4-yl)methyl)pyrrolidin-3-amine (CAS 1247138-68-6)
- 2-(3-Ethoxy-4-nitro-1h-pyrazol-1-yl)ethan-1-amine hydrochloride (CAS 1417570-01-4)
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