5-(1,3-Dimethyl-1H-pyrazol-5-yl)furan-2-carboxylic acid CAS 1399655-04-9
| CAS No. | 1399655-04-9 |
| Molecular Formula | C10H10N2O3 |
| Molecular Weight | 206.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(1,3-Dimethyl-1H-pyrazol-5-yl)furan-2-carboxylic acid (CAS 1399655-04-9) is a high-purity analytical reference standard with the molecular formula C10H10N2O3 and a molecular weight of 206.20 g/mol.
Structurally, 5-(1,3-Dimethyl-1H-pyrazol-5-yl)furan-2-carboxylic acid (C10H10N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 206.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(1,3-Dimethyl-1H-pyrazol-5-yl)furan-2-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 | C10H10N2O3 |
| Molecular Weight | 206.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Dimethyl Standards
- 3,3-Dimethyl-6-nitroindolin-2-one (CAS 100510-64-3)
- 3,3-Dimethyl-5-nitroindolin-2-one (CAS 100511-00-0)
- 5-(1,3-Dimethyl-1h-pyrazol-4-yl)-1h-pyrazole-3-carboxylic acid (CAS 1030620-57-5)
- 5-(1,5-Dimethyl-1h-pyrazol-4-yl)-1h-pyrazole-3-carboxylic acid (CAS 1033431-24-1)
- 2’,5’-Dimethyl-2’H-[1,3’-bipyrazole]-4’-carboxylic Acid (CAS 1152565-59-7)
- 3,3-Dimethyl-6-nitro-2,3-dihydro-1H-isoindol-1-one (CAS 1214900-72-7)
- 2,5-dimethyl-1-(1,2-oxazol-3-yl)-1H-pyrrole-3-carboxylic acid (CAS 1340090-08-5)
- 5-(1,5-Dimethyl-1H-pyrazol-3-yl)furan-2-carboxylic acid (CAS 1399662-64-6)
Recommended Standards
- Ethyl 6-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1396762-29-0)
- 5-((1-Methyl-1H-pyrazol-5-yl)methyl)furan-2-carboxylic acid (CAS 1399655-82-3)
- Ethyl 5-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1396762-13-2)
- 5-(1-(1H-Pyrazol-3-yl)ethyl)furan-2-carboxylic acid (CAS 1399655-88-9)
- 3-(2,4-Dimethylphenyl)-3-methylpropiophenone (CAS 898793-55-0)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-acetylphenyl)propanoic acid (CAS 1217751-18-2)
- (2-Chloro-5-methylpyridin-3-yl)methanamine (CAS 886371-07-9)
- 2,2-Dibromo-1-(3-fluorophenyl)ethan-1-one (CAS 296281-77-1)
- 1-(3-Amino-1-azetidinyl)ethanone (CAS 1137870-15-5)
- Hypochlorous (methyl carbonic) thioanhydride (CAS 26555-40-8)
- 3-Bromo-2-fluoro-5-(trifluoromethoxy)phenol (CAS 1805152-46-8)
- 2-Amino-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3,4,4-tricarbonitrile (CAS 30404-07-0)
- 4-[(Ethylthio)methyl]-phenol (CAS 35037-63-9)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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