(2S,4S)-4-(2-Acetylphenoxy)-1-(tert-butoxy-carbonyl)-2-pyrrolidinecarboxylic acid CAS 1266111-72-1
| CAS No. | 1266111-72-1 |
| Molecular Formula | C18H23NO6 |
| Molecular Weight | 349.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,4S)-4-(2-Acetylphenoxy)-1-(tert-butoxy-carbonyl)-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.
(2S,4S)-4-(2-Acetylphenoxy)-1-(tert-butoxy-carbonyl)-2-pyrrolidinecarboxylic acid (CAS 1266111-72-1), molecular formula C18H23NO6 and molecular weight 349.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2S,4S)-4-(2-Acetylphenoxy)-1-(tert-butoxy-carbonyl)-2-pyrrolidinecarboxylic acid (C18H23NO6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 349.38 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C18H23NO6 |
| Molecular Weight | 349.38 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-{[(9h-fluoren-9-yl)methoxy]carbonyl}-1,2,3,6-tetrahydropyridine-3-carboxylic acid (CAS 1262769-81-2)
- (2S,4S)-4-(4-Acetylphenoxy)-1-(tert-butoxy-carbonyl)-2-pyrrolidinecarboxylic acid (CAS 1266111-75-4)
- 4-Fluoro-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261996-98-8)
- Tert-butyl (1-(2-nitrobenzoyl)piperidin-4-yl)carbamate (CAS 1286263-46-4)
- (9H-Fluoren-9-yl)methyl 2-oxopyrrolidine-1-carboxylate (CAS 208519-92-0)
- 1-Bromo-2-(cyclopentyloxy)benzene (CAS 494773-69-2)
- (4-Aminopiperidin-1-yl)(3-(3-chlorophenyl)-1H-pyrazol-5-yl)methanone (CAS 1595511-79-7)
- 3-(Prop-2-yn-1-yl)oxazolidin-2-one (CAS 823-53-0)
- 3-Iodo-6-methoxy-2-phenylimidazo[1,2-a]pyridine (CAS 869583-79-9)
- n-(1-Cyclohexyl-1h-pyrazol-3-yl)methanesulfonamide (CAS 1342011-91-9)
- (8-Amino-3,4-dihydro-2H-1,4-ethanothieno[2,3-b][1,5]naphthyridin-7-yl)(4-chlorophenyl)methanone (CAS 899371-27-8)
- tert-Butyl 7-cyano-6-[(E)-[(dimethylamino)methylidene]amino]-2,3-dihydro-1H-pyrrolizine-5-carboxylate (CAS 1785961-71-8)
- 2-Bromo-4,6-difluoro-n-methylbenzenesulfonamide (CAS 1094650-10-8)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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