tert-Butyl 4-(4-fluoro-2- CAS 1004304-09-9
| CAS No. | 1004304-09-9 |
| Molecular Formula | C16H22FN3O4 |
| Molecular Weight | 339.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
tert-Butyl 4-(4-fluoro-2- (CAS 1004304-09-9) is a high-purity analytical reference standard with the molecular formula C16H22FN3O4 and a molecular weight of 339.36 g/mol.
Based on its molecular formula C16H22FN3O4, tert-Butyl 4-(4-fluoro-2- contains a flavonoid 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 339.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H22FN3O4 |
| Molecular Weight | 339.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- Tert-butyl 4-((2-fluoro-6-nitrophenyl)amino)piperidine-1-carboxylate (CAS 1004304-05-5)
- Tert-butyl 4-((3-fluoro-2-nitrophenyl)amino)piperidine-1-carboxylate (CAS 1004304-11-3)
- Nicotinamide impurity 23 (CAS CATO-C4X-200023)
- 6-cyclopropyl-1-(4-fluorophenyl)-3-isopropyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011399-77-1)
- tert-Butyl (3S,4S)-3-hydroxy-4-methylpiperidine-1-carboxylate (CAS 1205542-26-2)
- 2-(Cyclopentylmethyl)-5-iodo-1,3,4-thiadiazole (CAS 1339636-04-2)
- 5-Chloro-2-oxoindoline-3-carbaldehyde (CAS 52508-86-8)
- 7-(3-Aminopyrrolidin-1-yl)-1-cyclopropyl-6,8-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 99734-98-2)
- 7-(Pyrazin-2-yl)-1H-imidazo[4,5-b]pyridine (CAS 69995-43-3)
- 6-Ethynyl-2-azaspiro[3.3]Heptane (CAS 2383936-47-6)
- 4-Bromo-2-formylphenyl 4-methylbenzenesulfonate (CAS 259861-72-8)
- 2-Hydroxy-4-(octyloxy)benzoic acid (CAS 86840-99-5)
- 1-[(2-Aminophenyl)methyl]pyrrolidin-2-one;hydrochloride (CAS 1197625-41-4)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com