(2-Chloroacetyl)-L-phenylalanine CAS 721-65-3
| CAS No. | 721-65-3 |
| Molecular Formula | C11H12ClNO3 |
| Molecular Weight | 241.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-Chloroacetyl)-L-phenylalanine (CAS 721-65-3) is a high-purity analytical reference standard with the molecular formula C11H12ClNO3 and a molecular weight of 241.67 g/mol.
Structurally, (2-Chloroacetyl)-L-phenylalanine (C11H12ClNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 241.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Chloroacetyl)-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.
Physical & Chemical Properties
| Molecular Formula | C11H12ClNO3 |
| Molecular Weight | 241.67 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroacetyl Standards
- (2-Chloroacetyl)-D-phenylalanine (CAS 137503-97-0)
- 2-[(2-Chloroacetyl)amino]-3-methylbenzoic Acid Methyl Ester (CAS 77093-79-9)
- Methyl 3-{[(chloroacetyl)amino]methyl}benzoate (CAS 74553-27-8)
- N-Chloroacetyl-DL-phenylalanine (CAS 7765-11-9)
- 6-(2-Chloroacetyl)-7-fluoro-1,2,3,4-tetrahydroquinolin-2-one (CAS 148136-15-6)
- 6-(2-Chloroacetyl)-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 145736-61-4)
- 4-(2-Chloroacetyl)-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 68321-41-5)
- N-(2-chloroacetyl)-3-nitrobenzamide (CAS 568555-83-9)
Recommended Standards
- 3-(acetylamino)-3-(4-chlorophenyl)propanoic acid (CAS 197785-38-9)
- (2E)-4-Hydroxybut-2-en-1-yl N-(4-chlorophenyl)carbamate (CAS 57302-74-6)
- 5-((3-Chlorophenyl)amino)-5-oxopentanoic acid (CAS 197170-08-4)
- (S)-2-Acetamido-3-(4-chlorophenyl)propanoic acid (CAS 55478-55-2)
- 4-Chlorobutanenitrile (CAS 628-20-6)
- (S)-ethyl 3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)phenyl)-2-((tert-butoxycarbonyl)amino)propanoate (CAS 1125828-44-5)
- 2-(Chloromethyl)-4-(3-chloropropoxy)-3-methylpyridine (CAS 209914-31-8)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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