(S,E)-1-(But-2-enoyl)pyrrolidine-2-carboxamide CAS 188300-63-2
| CAS No. | 188300-63-2 |
| Molecular Formula | C9H14N2O2 |
| Molecular Weight | 182.22 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.
(S,E)-1-(But-2-enoyl)pyrrolidine-2-carboxamide (CAS 188300-63-2) is a high-purity analytical reference standard with the molecular formula C9H14N2O2 and a molecular weight of 182.22 g/mol.
Structurally, (S,E)-1-(But-2-enoyl)pyrrolidine-2-carboxamide (C9H14N2O2) 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 182.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C9H14N2O2 |
| Molecular Weight | 182.22 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 DMSO, DMF, methanol |
| 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.) | 2010 |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-Benzylidenepyridin-2-amine (CAS 1883-96-1)
- 9H-carbazol-4-amine (CAS 18992-64-8)
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- 9H-carbazol-1-amine (CAS 18992-86-4)
- NH-bis-PEG3 (CAS 25743-12-8)
- 1-(2,5-Dimethoxy-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 108950-30-7)
- 3-amino-2-hydroxyheptanoic acid (CAS 561066-93-1)
- 1-Methyl-5-nitro-1H-indazole (CAS 5228-49-9)
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-Hexadecafluorononyl (4,4,5,5,5-pentafluoropentyl) carbonate (CAS 1980045-22-4)
- (2E)-1-(2,5-Dimethoxyphenyl)-3-(4-fluorophenyl)prop-2-en-1-one (CAS 849554-14-9)
- 1-Amino-3-methyl-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one hydrochloride (CAS 1219381-51-7)
- Posaconazole Impurity 272 (CAS CATO-C4X-1208272)
- 4-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)-5-methylisoxazole-3-carboxylic acid (CAS 957514-12-4)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
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