4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-carboxylic acid CAS 916422-05-4
| CAS No. | 916422-05-4 |
| Molecular Formula | C28H26F2N2O4 |
| Molecular Weight | 492.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 492.51 g/mol gives 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-carboxylic acid (CAS 916422-05-4), molecular formula C28H26F2N2O4 and molecular weight 492.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C28H26F2N2O4, 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-carboxylic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 492.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-1-(2,4-difluorobenzyl)piperidine-4-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 | 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-(2,5-difluorobenzyl)piperidine-4-carboxylic acid (CAS 916422-03-2)
- 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
- m-PEG9-phosphonic acid (CAS 2055016-25-4)
- 1-{4-[(E)-2-[(2,5-dimethoxyphenyl)methylidene]hydrazin-1-yl]-3-nitrobenzenesulfonyl}piperidine-4-carboxylic acid (CAS 860612-05-1)
- (E)-2-(4-fluorostyryl)-5-oxo-4-(3,4,5-trimethoxyphenyl)-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 691887-92-0)
- Enzalutamide Impurity 12 (CAS CATO-C4X-101612)
- 1-(3,4-Dichlorobenzoyl)piperidin-4-one (CAS 223632-67-5)
- (4-(tert-Butyl)cyclohex-1-en-1-yl)boronic acid (CAS 850567-91-8)
- Gigantol (CAS 67884-30-4)
- 2,4,6-Trichlorophenyl 5-bromo-2-methoxybenzenesulfonate (CAS 1171919-47-3)
- 4-Oxo-1,4-dihydropyrimido[1,2-b]indazole-2-carboxylic acid (CAS 92663-38-2)
- Loratadine Impurity 28 (CAS 1073332-71-4)
- 1-Acetyl-6-chloro-2-methyl-1H-indol-3-yl acetate (CAS 5446-24-2)
- 2-bromo-N-(3,5-dimethoxyphenyl)butanamide (CAS 1119450-44-0)
- 531-26-0 YRO21E9Z35 Eugenyl benzoate 4-Allyl-2-methoxyphenyl benzoate Phenol, 4-allyl-2-methoxy-, benzoate (8CI) Phenol, 2-methoxy-4-(2-propen-1-yl)-, 1-benzoate Phenol, 2-methoxy-4-(2-propenyl)-, benzoate AI3-23236 Benzoyl eugenol EINECS 208-504-4 Eugenol benzoate p-Eugenol, benzoate FEMA No. 2471 2-Methoxy-4-(2-propenyl)phenyl benzoate NSC 408913 Phenol, 4-allyl-2-methoxy-, benzoate UNII-YRO21E9Z35 (CAS 531-26-0)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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