1-Acetyl-2-isobutyl-2,5-dihydro-1H-pyrrole-2-carboxylic acid CAS 203051-17-6
| CAS No. | 203051-17-6 |
| Molecular Formula | C11H17NO3 |
| Molecular Weight | 211.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Acetyl-2-isobutyl-2,5-dihydro-1H-pyrrole-2-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.
1-Acetyl-2-isobutyl-2,5-dihydro-1H-pyrrole-2-carboxylic acid (CAS 203051-17-6), molecular formula C11H17NO3 and molecular weight 211.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H17NO3, 1-Acetyl-2-isobutyl-2,5-dihydro-1H-pyrrole-2-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 211.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H17NO3 |
| Molecular Weight | 211.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 2015 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-Acetyl-2,2,5,5-tetramethyl-3-pyrroline-3-carboxylic Acid (CAS 887352-25-2)
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- 1-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}pyrrolidin-3-ol (CAS 832715-05-6)
- 1-amino-2-(3,4-dimethoxyphenyl)propan-2-ol (CAS 204015-28-1)
- 4-Bromo-2-cyano-5-(hydroxymethyl)benzene-1-sulfonyl chloride (CAS 1805550-22-4)
- 2,3-dihydro-1,4-benzodioxin-5-amine hydrochloride (CAS 16081-46-2)
- 10249-36-2 4(1H)-Pyridinone, 3-methyl- CTK0G7575 (CAS 10249-36-2)
- 2-Methyl-3-morpholinopropanenitrile (CAS 98610-95-8)
- 2-(2-Fluorophenyl)acetonitrile (CAS 326-62-5)
- m-dPEG<SUP>®</SUP><SUB>8</SUB>-MAL (CAS 1334169-90-2)
- 2-(4-tert-Butylphenyl)-4-methyl-3-oxopentanenitrile (CAS 1177093-19-4)
- 2-(3-Aminopyridin-2-yl)propanenitrile (CAS 1278662-38-6)
- 1-Hexyl-2,3-dimethyl-1H-imidazol-3-ium chloride (CAS 455270-59-4)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
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