5-(1-(1H-Pyrazol-3-yl)ethyl)furan-2-carboxylic acid CAS 1399655-88-9
| CAS No. | 1399655-88-9 |
| Molecular Formula | C10H10N2O3 |
| Molecular Weight | 206.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(1-(1H-Pyrazol-3-yl)ethyl)furan-2-carboxylic acid.
5-(1-(1H-Pyrazol-3-yl)ethyl)furan-2-carboxylic acid (CAS 1399655-88-9), molecular formula C10H10N2O3 and molecular weight 206.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H10N2O3, 5-(1-(1H-Pyrazol-3-yl)ethyl)furan-2-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 206.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | 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 H Standards
- 1-((1h-Pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide (CAS 1004192-91-9)
- 1-[2-(1H-pyrazol-1-yl)ethyl]-1H-pyrazole-3-carboxylic acid (CAS 1341921-76-3)
- 5-((1H-pyrazol-1-yl)methyl)furan-2-carbohydrazide (CAS 457051-27-3)
- 4-((1H-pyrazol-1-yl)methyl)-5-methylthiophene-2-carbaldehyde (CAS 1006493-28-2)
- 4-Pyrazol-1-ylbenzoyl chloride (CAS 220461-83-6)
- 2-(1H-Pyrazol-4-yl)benzo[d]thiazole (CAS 40142-85-6)
- 2-(1h-Pyrazol-1-yl)-N-(2,2,2-trifluoroethyl)acetamide (CAS 1234946-68-9)
- 2-((6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)amino)ethanol (CAS 415699-68-2)
Recommended Standards
- 5-((1-Methyl-1H-pyrazol-5-yl)methyl)furan-2-carboxylic acid (CAS 1399655-82-3)
- 5-(1-Ethyl-1H-pyrazol-3-yl)furan-2-carboxylic acid (CAS 1399656-52-0)
- 5-(1,3-Dimethyl-1H-pyrazol-5-yl)furan-2-carboxylic acid (CAS 1399655-04-9)
- 5-(1,5-Dimethyl-1H-pyrazol-3-yl)furan-2-carboxylic acid (CAS 1399662-64-6)
- 2-((2,6-Dichlorobenzyl)thio)-3-propyl-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 860609-25-2)
- 1,6-naphthyridine-8-carboxylic acid (CAS 362606-19-7)
- 7-Methylquinoxaline-6-carboxylic acid (CAS 10351-82-3)
- 5-Chloro-2-methoxyphenyl isothiocyanate 4-chloro-2-isothiocyanato-1-methoxy-benzene 4-chloro-2-isothiocyanato-1-methoxybenzene 2-Methoxy-5-chlorophenyl isothiocyanate 63429-99-2 (CAS 63429-99-2)
- 1-(Benzenesulfonyl)-3-[(3-chlorophenyl)sulfanyl]propan-2-ol (CAS 338409-59-9)
- 3-Bromo-8-(tert-butoxycarbonyl)-6,7,8,9-tetrahydro-5H-imidazo[1,5-a][1,4]diazepine-1-carboxylic acid (CAS 1094091-91-4)
- 1-(6-Ethoxy-2-methylpyridin-3-yl)ethan-1-amine (CAS 1355234-09-1)
- 4-(Difluoromethyl)-3-methyl-5-nitropyridine-2-sulfonamide (CAS 1807000-39-0)
- Wnt-C59 (CAS 1243243-89-1)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com