(2S,4R)-1-((9H-Fluoren-9-yl)methyl) 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate CAS 122350-59-8
| CAS No. | 122350-59-8 |
| Molecular Formula | C21H21NO5 |
| Molecular Weight | 367.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S,4R)-1-((9H-Fluoren-9-yl)methyl) 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate (C21H21NO5) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(2S,4R)-1-((9H-Fluoren-9-yl)methyl) 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate (CAS 122350-59-8), molecular formula C21H21NO5 and molecular weight 367.40 g/mol, is a CATO reference standard with documented purity and traceability.
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)-1-((9H-Fluoren-9-yl)methyl) 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate 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 | C21H21NO5 |
| Molecular Weight | 367.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2R,3S)-4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-methylmorpholine-3-carboxylic acid (CAS 1219603-31-2)
- Meloxicam impurity 13 (CAS 130262-92-9)
- 1-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-(4-fluorobenzyl)urea (CAS 1207046-05-6)
- FMOC-SER-OALL (CAS 136497-85-3)
- (E)-tetraethyl hex-3-ene-1,1,6,6-tetracarboxylate (CAS 38134-23-5)
- 5-fluoro-6-methoxypyridine-3-carboxylic acid (CAS 953780-42-2)
- 2-(Bromomethyl)-6-(difluoromethyl)-4-hydroxypyridine-3-methanol (CAS 1805088-30-5)
- N-methyl-2-(methylthio)thieno[3,2-d]pyrimidin-4-amine (CAS 343374-14-1)
- 6-(2-Chlorophenyl)-2-oxo-4-(p-tolyl)-1,2-dihydropyridine-3-carbonitrile (CAS 341964-46-3)
- Apalutamide Impurity 6 (CAS 1332391-11-3)
- 2-Bromo-5-(difluoromethyl)-6-hydroxynicotinic acid (CAS 1806068-18-7)
- 3-({[(2,6-dichlorophenyl)methyl]sulfanyl}methyl)-5-{[(4-nitrophenyl)methyl]sulfanyl}-4-phenyl-4H-1,2,4-triazole (CAS 344271-60-9)
- 2-(((1-Amino-3-phenylpropyl)(hydroxy)phosphoryl)methyl)-4-methylpentanoic acid (CAS 561007-44-1)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
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