(2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-methylpyrrolidine-2-carboxylic acid CAS 333777-34-7
| CAS No. | 333777-34-7 |
| Molecular Formula | C21H21NO4 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-methylpyrrolidine-2-carboxylic acid.
(2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-methylpyrrolidine-2-carboxylic acid (CAS 333777-34-7), molecular formula C21H21NO4 and molecular weight 351.40 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-methylpyrrolidine-2-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 351.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-methylpyrrolidine-2-carboxylic 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 | C21H21NO4 |
| Molecular Weight | 351.40 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.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2s)-1-(9h-Fluoren-9-ylmethoxycarbonyl)-3,3-dimethyl-azetidine-2-carboxylicacid (CAS 2231665-66-8)
- (2Z)-3-(1H-1,3-Benzodiazol-2-yl)-N-(2-methylphenyl)-2H-chromen-2-imine (CAS 314035-48-8)
- (1R,2R)-3-Cyclopropyl-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1H-3-benzazepine-1-carboxylic acid (CAS 2202285-19-4)
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- 1-(2-Chloro-4-nitrophenyl)pyrrolidine-2,5-dione (CAS 35581-03-4)
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