4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,5-difluorobenzyl)piperidine-4-carboxylic acid CAS 916422-03-2
| CAS No. | 916422-03-2 |
| Molecular Formula | C28H26F2N2O4 |
| Molecular Weight | 492.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,5-difluorobenzyl)piperidine-4-carboxylic acid (CAS 916422-03-2), a certified reference material (molecular formula C28H26F2N2O4, MW 492.51 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,5-difluorobenzyl)piperidine-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 492.51 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,5-difluorobenzyl)piperidine-4-carboxylic 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 | C28H26F2N2O4 |
| Molecular Weight | 492.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related H Standards
- 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-carboxylic acid (CAS 916422-05-4)
- 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(3,5-difluorobenzyl)piperidine-4-carboxylic acid (CAS 916422-01-0)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3',4'-dimethyl-[1,1'-biphenyl]-4-yl)propanoic acid (CAS 1379865-25-4)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3',4'-dimethyl-[1,1'-biphenyl]-3-yl)propanoic acid (CAS 1379884-40-8)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-benzoylphenyl)propanoic acid (CAS 117666-98-5)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(1-(tert-butoxycarbonyl)piperidin-3-yl)propanoic acid (CAS 457060-97-8)
- 3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(1-(tert-butoxycarbonyl)piperidin-3-yl)propanoic acid (CAS 372144-11-1)
- (4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)benzoyl)-L-glutamic acid (CAS 1562435-65-7)
Recommended Standards
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- Fluocinonide Impurity 3 (CAS CATO-C4X-21473)
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- 3-((2-Bromo-4-fluorobenzyl)oxy)azetidine (CAS 1341162-40-0)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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