2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4,4-difluorocyclohexyl)acetic acid CAS 2279457-71-3
| CAS No. | 2279457-71-3 |
| Molecular Formula | C23H23F2NO4 |
| Molecular Weight | 415.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 415.43 g/mol gives 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4,4-difluorocyclohexyl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4,4-difluorocyclohexyl)acetic acid (CAS 2279457-71-3) is a high-purity analytical reference standard with the molecular formula C23H23F2NO4 and a molecular weight of 415.43 g/mol.
Structurally, 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4,4-difluorocyclohexyl)acetic acid (C23H23F2NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 415.43 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 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4,4-difluorocyclohexyl)acetic 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 | C23H23F2NO4 |
| Molecular Weight | 415.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related H Standards
- 1-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-4,4-difluorocyclohexane-1-carboxylic acid (CAS 2013494-76-1)
- 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-5-carboxylic acid (CAS 2137514-33-9)
- 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine-9-carboxylic acid (CAS 2137652-33-4)
- 4-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-1,1-dioxo-1λ6-thiane-4-carboxylic acid (CAS 369402-96-0)
- 2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-5-phenylpentanoic acid (CAS 1262651-95-5)
- 4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-phenylpentanoic acid (CAS 1691861-88-7)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,6-dimethylphenyl)propanoic acid (CAS 1697380-24-7)
- 3-(9-H-Fluoren-9-ylmethoxycarbonylamino)-5-phenyl-pentanoic acid (CAS 917562-05-1)
Recommended Standards
- 4,5-Dihydro-4-phenyl-2-[2-[[4-(trifluoromethyl)phenyl]sulfinyl]phenyl]oxazole (CAS 2307473-14-7)
- (4S)-4-Phenyl-2-(2-((4-(trifluoromethyl)phenyl)sulfinyl)phenyl)-4,5-dihydrooxazole (CAS 1965335-71-0)
- Fmoc-L-(4,4-difluorocyclohexyl)glycine (CAS 2248184-59-8)
- 1'-Benzyl-7-methoxyspiro[indoline-3,4'-piperidine] (CAS 1198285-06-1)
- 6-(Benzyloxy)bicyclo[3.1.0]Hexan-3-ol (CAS 2384815-03-4)
- 1-(4-(((6-Methylquinolin-2-yl)methylene)amino)phenyl)ethanone (CAS 89060-07-1)
- tert-Butyl m-tolylcarbamate (CAS 18437-67-7)
- 4-{[(5-Oxo-1-phenylpyrrolidin-3-yl)carbonyl]-amino}benzoic acid (CAS 401822-11-5)
- Methyl (2Z)-2-(4-tert-butylbenzenesulfonyl)-3-[(4-fluorophenyl)amino]prop-2-enoate (CAS 1327168-67-1)
- 7-Hydroxy-4-methoxy-2H-chromen-2-one (CAS 65692-17-3)
- 5-Bromopentan-2-ol (CAS 62957-46-4)
- 2,7-Dichloro-4-methyl-1,3-benzothiazole (CAS 80945-85-3)
- Anagrelide Impurity 9 (CAS 28165-60-8)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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