2-(2-Chlorobenzyl)-DL-alanine CAS 21158-71-4
| CAS No. | 21158-71-4 |
| Molecular Formula | C10H12ClNO2 |
| Molecular Weight | 213.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 213.66 g/mol gives 2-(2-Chlorobenzyl)-DL-alanine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2-Chlorobenzyl)-DL-alanine (CAS 21158-71-4) is a high-purity analytical reference standard with the molecular formula C10H12ClNO2 and a molecular weight of 213.66 g/mol.
Structurally, 2-(2-Chlorobenzyl)-DL-alanine (C10H12ClNO2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 213.66 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2-Chlorobenzyl)-DL-alanine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H12ClNO2 |
| Molecular Weight | 213.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorobenzyl Standards
- Methyl (3-chlorobenzyl)glycinate (CAS 1019555-38-4)
- n-(2-Chlorobenzyl)-N-methylglycine (CAS 1155504-91-8)
- N-(4-chlorobenzyl)-N-methylglycine (CAS 1156152-40-7)
- n-(3-Chlorobenzyl)-n-methylglycine (CAS 1156268-64-2)
- (4-Chlorobenzyl)alanine (CAS 68319-26-6)
- 3-((2-Chlorobenzyl)amino)propanoic acid (CAS 849616-08-6)
- 3-((4-Chlorobenzyl)amino)propanoic acid (CAS 227331-63-7)
- n-(2-Chlorobenzyl)-1-methoxypropan-2-amine (CAS 1019578-17-6)
Recommended Standards
- 2-((3-Chlorophenyl)amino)-2-methylpropanoic acid (CAS 65937-35-1)
- 2-(2-Chlorophenyl)-N-methoxy-N-methylacetamide (CAS 946402-82-0)
- 2-((3-Chloro-2-methylphenyl)amino)acetohydrazide (CAS 98950-37-9)
- 2-(4-Amino-3-chlorophenyl)butanoic acid (CAS 25814-13-5)
- 2-(3-Fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propan-2-ol (CAS 1492882-59-3)
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- 4-Carboxy-3-methylpyridine 1-oxide (CAS 131346-20-8)
- Methyl 4-chloro-1H-pyrazolo[3,4-b]pyridine-3-carboxylate (CAS 2639294-44-1)
- Tert-butyl ((1r,4r)-4-(ethylamino)cyclohexyl)carbamate (CAS 1286273-02-6)
- Lovastatin Impurity 16 (CAS CATO-C4X-168416)
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- Methyl 5-iodo-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-2-carboxylate (CAS 1638763-33-3)
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