Fmoc-2-chloro-L-phenylalanine CAS 198560-41-7
| CAS No. | 198560-41-7 |
| Molecular Formula | C24H20ClNO4 |
| Molecular Weight | 421.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Fmoc-2-chloro-L-phenylalanine 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.
Fmoc-2-chloro-L-phenylalanine (CAS 198560-41-7) is a high-purity analytical reference standard with the molecular formula C24H20ClNO4 and a molecular weight of 421.87 g/mol.
Based on its molecular formula C24H20ClNO4, Fmoc-2-chloro-L-phenylalanine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.87 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.
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.
Physical & Chemical Properties
| Molecular Formula | C24H20ClNO4 |
| Molecular Weight | 421.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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 | Cl-containing |
| Nitrogen Atoms | 1 |
Related Fmoc Standards
- Fmoc-(R)-3-Amino-3-(3-chlorophenyl)-propionic acid (CAS 511272-53-0)
- Fmoc-(R)-3-Amino-3-(4-chlorophenyl)-propionic acid (CAS 479064-92-1)
- Fmoc-(s)-3-amino-3-(4-chlorophenyl)propionic acid (CAS 479064-91-0)
- Fmoc-2-chloro-D-phenylalanine (CAS 205526-22-3)
- Fmoc-3-amino-3-(2-chlorophenyl)-propionic acid (CAS 284492-14-4)
- Fmoc-3-chloro-D-phenylalanine (CAS 205526-23-4)
- Fmoc-3-chloro-L-phenylalanine (CAS 198560-44-0)
- Fmoc-D-Phe(4-Cl)-OH (CAS 142994-19-2)
Recommended Standards
- 6-[(2-tert-Butoxycarbonylaminoethyl)amino]-7-chloro-1-cyclopropyl-1,4-dihydro-4-oxo-quinoline-3-carboxylic Acid (CAS 528851-37-8)
- Fmoc-Phe(4-Cl)-OH (CAS 175453-08-4)
- 5-(2,4-Dichloro-phenoxymethyl)-furan-2-carboxylic acid (CAS 704872-29-7)
- N-(1-(1-(3-Chlorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-3-methyl-1H-pyrazol-5-yl)cyclopentanecarboxamide (CAS 1005925-62-1)
- 1-((Sec-butylamino)methyl)cyclopentan-1-ol (CAS 1466265-74-6)
- 4-(Trifluoromethyl)benzoylacetonitrile (CAS 71682-94-5)
- 4-(Methylsulfonamidomethyl)-N-(1-phenylethyl)cyclohexane-1-carboxamide (CAS 1203157-85-0)
- Tetrapropenylsuccinic Anhydride (mixture of branched chain isomers) (CAS 428493-97-4)
- N-(2-aminoethyl)-2-(3,4-dimethoxyphenyl)acetamide (CAS 1016713-15-7)
- 4-{[(2,5-dichlorophenyl)sulfanyl]methyl}-1-[(4-methylphenyl)sulfanyl]-2-nitrobenzene (CAS 477869-71-9)
- Ticagrelor impurity 25 (CAS CATO-C4X-109325)
- (1-(2-Chloropyrimidin-4-yl)piperidin-4-yl)methanamine (CAS 876144-87-5)
- 6-(Hydroxymethyl)pyrimidin-4(3H)-one (CAS 100959-93-1)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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