Pentanoic acid, 4-oxo-, 2,5-dioxo-1-pyrrolidinyl ester CAS 334616-59-0
| CAS No. | 334616-59-0 |
| Molecular Formula | C9H11NO5 |
| Molecular Weight | 213.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Pentanoic acid, 4-oxo-, 2,5-dioxo-1-pyrrolidinyl ester 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.
Pentanoic acid, 4-oxo-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 334616-59-0) is a high-purity analytical reference standard with the molecular formula C9H11NO5 and a molecular weight of 213.19 g/mol.
Pentanoic acid, 4-oxo-, 2,5-dioxo-1-pyrrolidinyl ester (C9H11NO5) 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C9H11NO5 |
| Molecular Weight | 213.19 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Pentanoic Standards
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- Pentanoic acid, 5,5,5-trifluoro-2-(hydroxyimino)-4-(trifluoromethyl)-, ethyl ester (CAS 1956426-81-5)
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- 7-Fluoro-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 146741-05-1)
- 3-((2-Methylallyl)oxy)benzaldehyde (CAS 38002-95-8)
- 1-Bromo-2-((2,2-difluoroethyl)sulfinyl)benzene (CAS 1162256-88-3)
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- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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