(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid CAS 218943-94-3
| CAS No. | 218943-94-3 |
| Molecular Formula | C16H20N2O7 |
| Molecular Weight | 352.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 218943-94-3) is a high-purity analytical reference standard with the molecular formula C16H20N2O7 and a molecular weight of 352.34 g/mol.
Structurally, (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid (C16H20N2O7) 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 352.34 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O7 |
| Molecular Weight | 352.34 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (2S)-1-{6-[(1-carboxy-2-methylpropyl)amino]-5-nitropyridin-2-yl}pyrrolidine-2-carboxylic acid (CAS 300374-38-3)
- (3-(4-Fluoro-2-nitrophenoxy)thiophen-2-yl)(morpholino)methanone (CAS 303152-79-6)
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- 3-Ethynylpyrrolidin-3-ol (CAS 167406-88-4)
- 4-chloro-6-methoxypyrimidine-5-carboxylic acid (CAS 4320-02-9)
- 2-(Bromomethyl)pyridin-4-ol (CAS 1227585-52-5)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com