1-(1-Methyl-1H-pyrrol-3-yl)butan-1-one CAS 62128-46-5
| CAS No. | 62128-46-5 |
| Molecular Formula | C9H13NO |
| Molecular Weight | 151.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(1-Methyl-1H-pyrrol-3-yl)butan-1-one (CAS 62128-46-5), molecular formula C9H13NO and molecular weight 151.21 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(1-Methyl-1H-pyrrol-3-yl)butan-1-one (C9H13NO) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H13NO |
| Molecular Weight | 151.21 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 | 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.) | 1974 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(1-Methyl-1H-pyrrol-2-yl)butan-1-one (CAS 62128-34-1)
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- 1-(1H-Pyrrol-1-yl)pentan-1-one (CAS 497147-41-8)
- 1-(2,4,5-trimethyl-1H-pyrrol-3-yl)ethanone (CAS 792847-60-0)
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