3-(5-Nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde CAS 61619-55-4
| CAS No. | 61619-55-4 |
| Molecular Formula | C8H5N3O4 |
| Molecular Weight | 207.14 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.
3-(5-Nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 61619-55-4) is a high-purity analytical reference standard with the molecular formula C8H5N3O4 and a molecular weight of 207.14 g/mol.
Based on its molecular formula C8H5N3O4, 3-(5-Nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde 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 207.14 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), 3-(5-Nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde 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 | C8H5N3O4 |
| Molecular Weight | 207.14 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 3 |
Related Nitrofuran Standards
- 1-Methyl-3-(5-nitrofuran-2-yl)-1h-pyrazol-5-amine (CAS 1152708-32-1)
- 4-Methyl-3-(5-nitrofuran-2-yl)-1h-pyrazol-5-amine (CAS 1326775-27-2)
- 4-Methyl-5-(5-nitrofuran-2-yl)-4H-1,2,4-triazol-3-amine (CAS 10187-86-7)
- 1-Methyl-5-(5-nitrofuran-2-yl)-1H-1,2,4-triazol-3-amine (CAS 41735-42-6)
- (E)-3-(2-(5-Nitrofuran-2-yl)vinyl)oxazolidine (CAS 97039-14-0)
- Ethyl 3-(5-nitrofuran-2-yl)acrylate (CAS 93303-56-1)
- 5-Nitrofuran-2-sulfonyl chloride (CAS 98026-86-9)
- 2-(5-Nitrofuran-2-yl)hydrazinecarbothioamide (CAS 90850-30-9)
Recommended Standards
- 3-(4-Nitrophenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 19932-97-9)
- 3-Hydroxy-6-nitrobenzofuran-2-carbaldehyde (CAS 574708-79-5)
- 3-(3-nitrophenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 24011-15-2)
- 3-Methyl-2,6-dinitrobenzonitrile (CAS 948-30-1)
- 6-methoxy-3-nitro-2H-chromene (CAS 92210-61-2)
- 3'-(Pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261999-62-5)
- p-Toluenesulfonyl Chloride (CAS 98-59-9)
- 2-methyl-3-[3-(trifluoromethyl)phenyl]prop-2-en-1-ol (CAS 1563469-14-6)
- 5-Bromo-2,3-difluoro-4-methylbenzaldehyde (CAS 1823871-92-6)
- 4-Cyclopropoxy-N-methyl-6-sulfamoylnicotinamide (CAS 1243380-09-7)
- N-Butyl-2-piperidinecarboxamide hydrochloride (CAS 1236262-34-2)
- 2,9-Dimethyl-9H-purine (CAS 85180-62-7)
- Ethyl 1,5-dimethyl-1H-imidazole-4-carboxylate (CAS 74531-82-1)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
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