4-(2-Chloroacetamido)benzoic acid CAS 4596-39-8
| CAS No. | 4596-39-8 |
| Molecular Formula | C9H8ClNO3 |
| Molecular Weight | 213.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H8ClNO3, 4-(2-Chloroacetamido)benzoic acid contains a nitrogen-containing heterocyclic scaffold, 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 213.62 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.
4-(2-Chloroacetamido)benzoic acid (CAS 4596-39-8), molecular formula C9H8ClNO3 and molecular weight 213.62 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 4-(2-Chloroacetamido)benzoic acid 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 | C9H8ClNO3 |
| Molecular Weight | 213.62 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 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.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroacetamido Standards
- 3-(2-Chloroacetamido)benzoic acid (CAS 28547-08-2)
- 3-(2-Chloroacetamido)benzamide (CAS 85126-66-5)
- 4-(2-Chloroacetamido)benzamide (CAS 85126-67-6)
- 2-(2-Chloroacetamido)ethyl dihydrogen phosphate (CAS 63942-73-4)
- Methyl 5-(2-chloroacetamido)furan-2-carboxylate (CAS 648859-93-2)
- (R)-2-(2-Chloroacetamido)-4-methylpentanoic acid (CAS 64830-83-7)
- (S)-2-(2-Chloroacetamido)hexanoic acid (CAS 56787-36-1)
- 2-(2-Chloroacetamido)-4-methylpentanoic acid (CAS 7154-83-8)
Recommended Standards
- 3-Acetamido-2-chlorobenzoic acid (CAS 249289-91-6)
- 4-Acetamido-3-chlorobenzoic acid (CAS 74114-62-8)
- 3-(5-Chloro-6-methoxypyridin-3-yl)acrylic acid (CAS 2360396-56-9)
- 4-Chloro-6,6-dimethyl-6H-pyrimido[5,4-b][1,4]oxazin-7(8H)-one (CAS 60262-20-6)
- Ethyl 2-{2-[(4-hydroxy-1,3-thiazol-2-yl)methyl]-1,3-thiazol-4-yl}benzenecarboxylate (CAS 860785-65-5)
- 4-(Octyloxy)phenyl 4-pentylbenzoate (CAS 50649-64-4)
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- Methyl 3-aminofuro[2,3-b]pyridine-2-carboxylate (CAS 181283-75-0)
- tert-Butyl 4-acetyl-4-methylpiperidine-1-carboxylate (CAS 1507372-37-3)
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