Ethyl 4-Methyl-2-pyrrolecarboxylate CAS 40611-85-6
| CAS No. | 40611-85-6 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl 4-Methyl-2-pyrrolecarboxylate (CAS 40611-85-6), molecular formula C8H11NO2 and molecular weight 153.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 4-Methyl-2-pyrrolecarboxylate (C8H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 153.18 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 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 |
| 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.) | 1968 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl 4-methyl-2H-pyrrole-5-carboxylate (CAS 408517-57-7)
- Ethyl 4-methyl-3H-pyrrole-3-carboxylate (CAS 85960-28-7)
- Ethyl 4-methyl-1H-pyrrole-3-carboxylate (CAS 2199-49-7)
- Ethyl 5-methyl-1H-pyrrole-3-carboxylate (CAS 2199-50-0)
- 4-(4-Nitrophenyl)-1h-pyrazol-5-amine (CAS 92765-89-4)
- 1-(4-Ethylphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017415-74-5)
- (S)-Methyl 2-amino-4,4-difluorobutanoate (CAS 607403-55-4)
- Epinastine Impurity 27 (CAS CATO-C4X-184027)
- Chloroplatinic acid hexahydrate (CAS 18497-13-7)
- Phthalazine-1,4-diamine (CAS 17987-70-1)
- Luliconazole Impurity 10 (CAS 229334-55-8)
- Ethyl 2-bromo-4-(3,5-difluorophenyl)-thiazole-5-carboxylate (CAS 1188123-06-9)
- 1-(3-Fluoro-4-hydroxypiperidin-1-yl)ethan-1-one (CAS 2287497-82-7)
- Peptide Impurity 15 (CAS 1227750-69-7)
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