2-ethyl-1H-pyrrole-3-carboxylic acid CAS 1368126-32-2
| CAS No. | 1368126-32-2 |
| Molecular Formula | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H9NO2, 2-ethyl-1H-pyrrole-3-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 139.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-ethyl-1H-pyrrole-3-carboxylic acid (CAS 1368126-32-2), molecular formula C7H9NO2 and molecular weight 139.15 g/mol, is a CATO reference standard with documented purity and traceability.
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 2-ethyl-1H-pyrrole-3-carboxylic acid 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 | C7H9NO2 |
| Molecular Weight | 139.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 3-(Propan-2-ylidene)pyrrolidine-2,5-dione (CAS 13678-37-0)
- (2R,5S)-5-Ethynylpyrrolidine-2-carboxylic acid (CAS 138957-97-8)
- 2-Azabicyclo[2.2.1]hept-5-ene-3-carboxylic acid (CAS 1367697-62-8)
- 1-Methyl-1,4-dihydropyridine-3-carboxylic acid (CAS 140201-08-7)
- (2-Phenyl-1,3-dioxolane-4,5-diyl)dimethanol (CAS 6382-97-4)
- N-(4-Fluoro-3-nitrophenyl)acetamide (CAS 351-32-6)
- (2R,3S,4R,5S)-2,3,4,5-Tetrahydroxy-6-oxohexanoic acid (CAS 108729-78-8)
- 2-(4-Bromo-2-chlorobenzyl)-4,4-dimethylisoxazolidin-3-one (CAS 81778-59-8)
- 2-Chloro-1-(2-chloropropoxy)propane (CAS 54460-96-7)
- Nintedanib Impurity 118 (CAS CATO-C4X-1814118)
- 4-(2-Fluorophenyl)piperidine-4-carboxylic acid (CAS 1226211-99-9)
- 5-Amino-2-nitrobenzonitrile (CAS 72115-08-3)
- Hexanoyl-L-carnitine Chloride (CAS 162067-53-0)
- Vancomycin Hexapeptide (CAS 115236-65-2)
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