(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-phenoxy)-2-pyrrolidinecarboxylic acid CAS 1354487-05-0
| CAS No. | 1354487-05-0 |
| Molecular Formula | C18H25NO5 |
| Molecular Weight | 335.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-phenoxy)-2-pyrrolidinecarboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 335.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 1354487-05-0), molecular formula C18H25NO5 and molecular weight 335.39 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.
As a certified reference material (CRM), (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-ethyl-phenoxy)-2-pyrrolidinecarboxylic acid 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 | C18H25NO5 |
| Molecular Weight | 335.39 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.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2S,4S)-1-(tert-butoxycarbonyl)-4-(3,4-dimethylphenoxy)pyrrolidine-2-carboxylic acid (CAS 1354486-23-9)
- Tert-butyl 4-(3,4-dimethoxyphenyl)-3-oxopiperidine-1-carboxylate (CAS 1354960-60-3)
- (2S,4S)-1-(tert-butoxycarbonyl)-4-(2,4-dimethylphenoxy)pyrrolidine-2-carboxylic acid (CAS 1354485-91-8)
- 1-(Tert-butyl) 2-methyl (2S,4R)-4-(benzyloxy)pyrrolidine-1,2-dicarboxylate (CAS 136024-60-7)
- 2-(Pyridin-4-yl)oxazolidine (CAS 876508-74-6)
- 4-Bromo-N-(3-fluorobenzyl)-3-methylaniline (CAS 1019563-46-2)
- 5-Bromo-2-phenylquinoline-4-carboxylic Acid (CAS 924251-12-7)
- 6-Methoxy-1,2,3,4-tetrahydroisoquinolin-5-ol hydrochloride (CAS 1628638-77-6)
- N-(2-fluorobenzyl)-N-methylpyrrolidine-2-carboxamide (CAS 1219187-72-0)
- 2-(Methyl(phenyl)amino)-2-oxoethyl quinoline-2-carboxylate (CAS 380566-24-5)
- Ethyl 5-ethyl-1H-pyrazole-3-carboxylate (CAS 26308-40-7)
- 2,3,4,4A,9,9a-hexahydro-1H-carbazol-7-amine (CAS 478259-40-4)
- Asperulosidic Acid Methyl Ester (CAS 14260-99-2)
- Semaglutide impurity 257 (CAS CATO-C4X-2226257)
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