2-(2-Oxopyrrolidin-1-yl)ethyl 2-ethoxybenzoate CAS 721898-80-2
| CAS No. | 721898-80-2 |
| Molecular Formula | C15H19NO4 |
| Molecular Weight | 277.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Oxopyrrolidin-1-yl)ethyl 2-ethoxybenzoate (CAS 721898-80-2), molecular formula C15H19NO4 and molecular weight 277.32 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-(2-Oxopyrrolidin-1-yl)ethyl 2-ethoxybenzoate (C15H19NO4) is characterized by a flavonoid core, 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. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(2-Oxopyrrolidin-1-yl)ethyl 2-ethoxybenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H19NO4 |
| Molecular Weight | 277.32 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Oxopyrrolidin Standards
- 2-{4-[(2-oxopyrrolidin-1-yl)methyl]phenyl}benzonitrile (CAS 941083-76-7)
- 5-Oxopyrrolidin-3-yl (3,4-dimethoxyphenyl)carbamate (CAS 88015-97-8)
- N-(5-Oxopyrrolidin-3-yl)-[1,1'-biphenyl]-4-carboxamide (CAS 1351611-33-0)
- Benzyl 3-(2-oxopyrrolidin-1-yl)azetidine-1-carboxylate (CAS 2385606-93-7)
- N-(4-(2-Oxopyrrolidin-1-yl)phenyl)benzamide (CAS 922885-45-8)
- 2-Methyl-3-(2-oxopyrrolidin-1-yl)benzene-1-sulfonyl chloride (CAS 1182728-70-6)
- 3-(2-Oxopyrrolidin-1-yl)-5-(trifluoromethyl)benzoic acid (CAS 1244030-93-0)
- 2-(2-Oxopyrrolidin-1-yl)-N'-(2-(2-oxopyrrolidin-1-yl)acetyl)acetohydrazide (CAS 59776-90-8)
Recommended Standards
- 2-(2-Methylphenyl)quinoline-4-carbohydrazide (CAS 438197-10-5)
- 2-(2-Phenyl-1h-benzo[d]imidazo[1,2-a]imidazol-1-yl)ethan-1-ol (CAS 36289-13-1)
- 2-(2-Methyl-5-phenyl-1h-pyrrol-1-yl)benzoic acid (CAS 26180-27-8)
- 2-(3,4-Dimethylphenyl)quinoline-4-carboxylic acid (CAS 20389-06-4)
- Methyl 3,6-dichloro-4-((2-methylbenzyl)amino)picolinate (CAS 1259329-36-6)
- 4-(Indolin-4-yl)morpholine (CAS 1417746-03-2)
- 2-(3-Ethoxy-4-hydroxy-5-oxo-2,5-dihydrofuran-2-yl)acetic acid (CAS 794567-78-5)
- DL-Epinephrine ß-D-Glucuronide (CAS 54964-61-3)
- Tert-butyl 4-(3,5-difluorophenyl)-3-hydroxypiperidine-1-carboxylate (CAS 1354963-68-0)
- 3-((2-Aminoethyl)amino)butanoic acid (CAS 52562-33-1)
- 2-Chloro-5-iodo-3,3'-bipyridine (CAS 1214346-95-8)
- 1-(2-(2-Chlorophenyl)-2-(dimethylamino)ethyl)-3-(thiophen-2-ylmethyl)urea (CAS 1206994-32-2)
- Vitexin 2''-O-p-coumarate (CAS 59282-55-2)
- Des-Gln19-Tirzepatide (CAS CATO-CPTD788954)
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