FMOC-D-3,4-Difluorophenylalanine CAS 198545-59-4
| CAS No. | 198545-59-4 |
| Molecular Formula | C24H19F2NO4 |
| Molecular Weight | 423.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H19F2NO4, FMOC-D-3,4-Difluorophenylalanine 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 423.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies FMOC-D-3,4-Difluorophenylalanine (CAS 198545-59-4), a certified reference material (molecular formula C24H19F2NO4, MW 423.41 g/mol) for analytical method development and quality control.
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 FMOC-D-3,4-Difluorophenylalanine 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 | C24H19F2NO4 |
| Molecular Weight | 423.41 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related FMOC Standards
- N-Fmoc-2,5-difluoro-L-phenylalanine (CAS 1004959-90-3)
- (S)-2-(Fmoc-amino)-3-(2,4-difluorophenyl)propanoic Acid (CAS 1032337-49-7)
- Fmoc-(S)-3-Amino-3-(3,4-Difluorophenyl)-propionic acid (CAS 1260596-69-7)
- Fmoc-(R)-3-Amino-3-(3,4-Difluorophenyl)-propionic acid (CAS 1260601-05-5)
- Fmoc-(S)-3-Amino-3-(2,4-Difluorophenyl)-propionic acid (CAS 1260601-06-6)
- Fmoc-(R)-3-Amino-3-(2,4-Difluorophenyl)-propionic acid (CAS 1260614-57-0)
- Fmoc-3,4-difluoro-L-phenylalanine (CAS 198560-43-9)
- N-Fmoc-3,5-difluoro-L-phenylalanine (CAS 205526-24-5)
Recommended Standards
- N-((4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)phenyl)sulfonyl)acetamide (CAS 198471-47-5)
- 2-((3-Ethyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 882083-37-6)
- 1-(4-Methylbenzenesulfonyl)-3-[2-(1H-pyrrol-1-yl)-5-(trifluoromethyl)phenyl]urea (CAS 866010-59-5)
- Neolinustatin (CAS 72229-42-6)
- 5-Chloroquinoxaline-2-carboxylic acid (CAS 2417722-77-9)
- 2-Cyclohexyl-1,3-thiazole-5-carbaldehyde (CAS 933752-92-2)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(4-sulfamoylphenethyl)acetamide (CAS 478063-71-7)
- 2-(4-Fluorophenyl)-4-methyl-1,2-dihydrophthalazin-1-one (CAS 381675-95-2)
- (5-((2,4-Dimethylphenyl)carbamoyl)-2-fluorophenyl)boronic acid (CAS 1449132-37-9)
- Ethyl 3,3-Bis(methylthio)acrylate (CAS 19606-92-9)
- Mupirocin Calcium EP Impurity E (CAS 71087-96-2)
- 2-(3,4-Difluorophenyl)-2-methylpropanoic acid (CAS 306761-55-7)
- 4-Cyclopropoxy-3-isopropoxy-5-nitropyridine (CAS 1243372-32-8)
- Semaglutide impurity 29 (CAS 110990-08-4)
Why CATO?
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