Ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate CAS 34020-22-9
| CAS No. | 34020-22-9 |
| Molecular Formula | C10H10N2O3 |
| Molecular Weight | 206.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (CAS 34020-22-9), a certified reference material (molecular formula C10H10N2O3, MW 206.20 g/mol) for analytical method development and quality control.
Structurally, Ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (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).
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.
CATO manufactures Ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1966 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-(3-(Furan-2-yl)-5-methyl-1H-pyrazol-4-yl)acetic acid (CAS 1491132-37-6)
- 2-(1-(Furan-2-yl)-2-nitroethyl)-1H-pyrrole (CAS 848837-89-8)
- 3-Ethyl-5-(furan-2-ylmethylene)imidazolidine-2,4-dione (CAS 640716-50-3)
- 3-Ethyl-5-(furan-3-ylmethylene)imidazolidine-2,4-dione (CAS 644957-10-8)
- Ethyl 3-(furan-3-yl)-1H-pyrazole-4-carboxylate (CAS 908271-38-5)
- Ethyl 5-(furan-2-yl)-1H-pyrazole-3-carboxylate (CAS 33545-44-7)
- 2-(Furan-2-carbonyl)cyclohexane-1,3-dione (CAS 1356596-31-0)
- (E)-4-(Furan-2-ylmethylene)-2-methoxy-2H-pyran-3(4H)-one (CAS 88874-80-0)
Recommended Standards
- Ethyl 5-amino-6-cyano-3-methylpyrazine-2-carboxylate (CAS 55084-97-4)
- Ethyl 4-methylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate (CAS 6726-54-1)
- Ethyl 5-aminofuro[2,3-b]pyridine-2-carboxylate (CAS 6562-74-9)
- Ethyl 4-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate (CAS 55899-22-4)
- N-Benzyl-1H-pyrrolo[2,3-b]pyridine-5-carboxamide (CAS 858116-65-1)
- Methyl 4-((ethoxycarbonothioyl)thio)-2,3-dihydro-1H-indene-2-carboxylate (CAS 1881321-58-9)
- 1H-Isoindole-1,3(2H)-dione, 2-[(6-methyl-2-pyridinyl)methyl]- (CAS 1190947-26-2)
- 2-Imino-N-phenyl-1,2-dihydroquinoline-3-carboxamide (CAS 121217-60-5)
- 2-(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)-N-phenylacetamide (CAS 887214-41-7)
- UNC-926 HCl (CAS 1184136-10-4)
- tert-Butyl 4-(5-(amino(phenyl)methyl)-3-methylpyridin-2-yl)piperazine-1-carboxylate (CAS 1355219-24-7)
- Methyl 2-(4-formylphenyl)-2-methylpropanoate (CAS 84542-11-0)
- 7-Chloro-2-methyl-1,2,3,4-tetrahydroisoquinoline (CAS 221656-43-5)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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