Ethyl 5-Oxopyrrolidine-3-carboxylate CAS 60298-18-2
| CAS No. | 60298-18-2 |
| Molecular Formula | C7H11NO3 |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-Oxopyrrolidine-3-carboxylate (C7H11NO3) 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).
Ethyl 5-Oxopyrrolidine-3-carboxylate (CAS 60298-18-2), molecular formula C7H11NO3 and molecular weight 157.17 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H11NO3 |
| Molecular Weight | 157.17 g/mol |
| Appearance | 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 1-Ethyl-5-oxopyrrolidine-2-carboxylic acid (CAS 1001390-60-8)
- Methyl 5-Oxopyrrolidine-3-acetate (CAS 1134289-71-6)
- Ethyl 3-Oxopyrrolidine-1-carboxylate (CAS 14891-10-2)
- 3-Ethyl-2-oxopyrrolidine-3-carboxylic acid (CAS 1520548-29-1)
- 1-Methyl-5-oxopyrrolidine-3-acetic Acid (CAS 933759-81-0)
- 1-Methyl-5-oxopyrrolidine-3-carbohydrazide (CAS 959240-80-3)
- 3-Methyl-2-oxopyrrolidine-3-carbohydrazide (CAS 2303565-89-9)
- 4-Ethyl-2-oxopyrrolidine-3-carboxylic acid (CAS 89775-83-7)
Recommended Standards
- Ethyl 5-amino-4,5-dihydro-1H-imidazole-4-carboxylate (CAS 562841-85-4)
- Ethyl DL-pyroglutamate (CAS 66183-71-9)
- Ethyl 4-oxopyrrolidine-3-carboxylate (CAS 412281-21-1)
- Glycine, n-(1-methyl-3-oxobutylidenE)- (CAS 774143-38-3)
- Ethyl (R)-2-(pyrrolidin-3-yloxy)acetate hydrochloride (CAS 1024038-23-0)
- 5-Bromo-2-(3,3,3-trifluoropropyloxyl)nitrobenzene (CAS 1551175-32-6)
- 2-(Propylamino)quinazolin-4(3H)-one (CAS 1791-48-6)
- Methyl 6-bromo-1-hydroxy-2-naphthoate (CAS 2119959-89-4)
- (1R,4r)-4-(pyridin-2-yloxy)cyclohexane-1-carbohydrazide (CAS 1228087-48-6)
- 1-(2-(Trifluoromethoxy)ethyl)piperazine (CAS 1404531-84-5)
- 3-(Benzyloxy)-5-(iodomethyl)isoxazole (CAS 1428233-97-9)
- 2-(Difluoromethyl)-4,6-difluoro-3-methoxypyridine (CAS 1805323-59-4)
- 2,2'-((Hexane-3,4-diylbis(4,1-phenylene))bis(oxy))bis(N,N-diethylethan-1-amine) dihydrochloride (CAS 69-14-7)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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