5-(1-Hydroxyethyl)-1H-pyrrole-2-carboxylic acid CAS 635313-72-3
| CAS No. | 635313-72-3 |
| Molecular Formula | C7H9NO3 |
| Molecular Weight | 155.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(1-Hydroxyethyl)-1H-pyrrole-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.
CATO supplies 5-(1-Hydroxyethyl)-1H-pyrrole-2-carboxylic acid (CAS 635313-72-3), a certified reference material (molecular formula C7H9NO3, MW 155.15 g/mol) for analytical method development and quality control.
5-(1-Hydroxyethyl)-1H-pyrrole-2-carboxylic acid (C7H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C7H9NO3 |
| Molecular Weight | 155.15 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Hydroxyethyl Standards
- N-(1-(2-Hydroxyethyl)-1H-pyrazol-5-yl)formamide (CAS 122589-40-6)
- 5-(2-Hydroxyethyl)-1H-pyrazole-3-carboxamide (CAS 1312205-25-6)
- n-(2-Hydroxyethyl)-1h-imidazole-5-carboxamide (CAS 1493308-12-5)
- 3-(1-Hydroxyethyl)-4-methyl-1H-pyrrole-2,5-dione (CAS 173418-77-4)
- 1-(2-hydroxyethyl)-1H-pyrazole-4-carboxamide (CAS 1849283-80-2)
- 1-(5-(1-Hydroxyethyl)isoxazol-3-yl)ethanone (CAS 301168-23-0)
- 2-((2-Hydroxyethyl)amino)pyrimidin-4-ol (CAS 459218-68-9)
- 2-Hydroxyethyl 1H-pyrrole-2-carboxylate (CAS 668987-22-2)
Recommended Standards
- 5-(1-Aminoethyl)furan-2-carboxylic acid (CAS 883544-63-6)
- 5-(2-Aminoethyl)pyrimidine-2,4(1H,3H)-dione (CAS 221170-25-8)
- 5-((Methylamino)methyl)pyrimidine-2,4(1H,3H)-dione (CAS 72704-66-6)
- 5-(2-Hydroxypropan-2-yl)isoxazole-3-carbaldehyde (CAS 855747-31-8)
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