(2S,4R)-4-(1,1-Dimethylethoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidineacetic acid CAS 957509-29-4
| CAS No. | 957509-29-4 |
| Molecular Formula | C25H29NO5 |
| Molecular Weight | 423.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 423.50 g/mol gives (2S,4R)-4-(1,1-Dimethylethoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidineacetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2S,4R)-4-(1,1-Dimethylethoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidineacetic acid (CAS 957509-29-4) is a high-purity analytical reference standard with the molecular formula C25H29NO5 and a molecular weight of 423.50 g/mol.
(2S,4R)-4-(1,1-Dimethylethoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidineacetic acid (C25H29NO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. 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).
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), (2S,4R)-4-(1,1-Dimethylethoxy)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-pyrrolidineacetic 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 | C25H29NO5 |
| Molecular Weight | 423.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (1S)-2′-[(Hexahydro-1H-azepin-1-yl)carbonyl][1,1′-binaphthalene]-2-carboxylic acid (CAS 2646621-98-7)
- 1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butoxy)cyclopentane-1-carboxylic acid (CAS 369403-19-0)
- Bortezomib Impurity 27 Sodium Salt (CAS 16480-57-2)
- 1-(2-(Diethylamino)ethyl)-4-(4-ethoxybenzoyl)-3-hydroxy-5-(pyridin-2-yl)-1,5-dihydro-2H-pyrrol-2-one (CAS 618877-91-1)
- 3-Amino-n-isopropyl-4-methylbenzamide (CAS 76765-62-3)
- 4-Fluoronaphthalen-2-amine (CAS 13720-48-4)
- 4-(Furan-2-yl)-N-methylbutan-2-amine (CAS 1593-37-9)
- n'-(2-Chloroacetyl)-4-ethoxybenzohydrazide (CAS 864178-08-5)
- methyl 1-fluoro-2-oxo-cyclohexanecarboxylate (CAS 84131-42-0)
- Ethyl 2,2-difluorocyclohexanecarboxylate (CAS 186665-89-4)
- 3-(chloromethyl)-1,1-difluorocyclobutane (CAS 1290625-58-9)
- 6-(Tert-butylthio)-5-nitroimidazo[2,1-b]thiazole (CAS 343376-26-1)
- (5-Amino-1-methyl-1H-benzoimidazol-2-yl)-methanol (CAS 330472-50-9)
- D-Phe6-Tirzepatide (CAS CATO-CPTD788925)
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