4-Hydroxybutyl 2-(2,4,5-trichlorophenoxy)acetate CAS 40583-17-3
| CAS No. | 40583-17-3 |
| Molecular Formula | C12H13Cl3O4 |
| Molecular Weight | 327.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxybutyl 2-(2,4,5-trichlorophenoxy)acetate (CAS 40583-17-3), molecular formula C12H13Cl3O4 and molecular weight 327.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H13Cl3O4, 4-Hydroxybutyl 2-(2,4,5-trichlorophenoxy)acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.59 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.
As a certified reference material (CRM), 4-Hydroxybutyl 2-(2,4,5-trichlorophenoxy)acetate 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 | C12H13Cl3O4 |
| Molecular Weight | 327.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1968 |
| Halogen Content | Cl-containing |
Related Hydroxybutyl Standards
- 4-(3-Hydroxybutyl)-1,2-diphenylpyrazolidine-3,5-dione (CAS 568-76-3)
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Recommended Standards
- 2-Chloro-1,3-bis(2-chlorophenyl)propane-1,3-dione (CAS 938013-61-7)
- N-(2,2,2-Trichloro-1-morpholinoethyl)furan-2-carboxamide (CAS 300405-02-1)
- N1,N1-Dibutyl-N2-[2-(dibutylamino)ethyl]-1,2-ethanediamine (CAS 100173-92-0)
- N'-(2,3,5-Trichlorobenzylidene)benzohydrazide (CAS 2677697-15-1)
- 4-Acetamido-[1,1'-biphenyl]-3-yl dihydrogen phosphate (CAS 77273-71-3)
- (3aS,5R,6R,7S,7aS)-5-(acetoxymethyl)-2-(((3aS,5R,6R,7S,7aS)-5-((((3aS,5R,6R,7S,7aS)-6,7-diacetoxy-5-(acetoxymethyl)-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-2-yl)oxy)methyl)-6-hydroxy-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-7-yl)oxy)-2-methyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diyl diacetate (CAS 230963-26-5)
- 2-(aminomethyl)-4-methyl-1,3-thiazole-5-carboxylic acid hydrochloride (CAS 878744-20-8)
- Methyl 1-(4-Bromo-3-fluorobenzyl)azetidine-3-carboxylate (CAS 950691-66-4)
- 2-Methoxyethyl 1H-pyrrole-2-carboxylate (CAS 685563-27-3)
- (4-Hydrazinyl-6-methylpyrimidin-2-yl)methanol (CAS 1519499-54-7)
- 3-(tert-Butyl)-5-cyclopropoxy-2-iodopyridine (CAS 1243461-02-0)
- 2,4-Dimethyl-5-(3-(trifluoromethyl)phenyl)pyrimidine (CAS 1261628-72-1)
- 3-((4-Chlorobenzyl)sulfonyl)-4-ethyl-5-((3-(trifluoromethyl)phenoxy)methyl)-4H-1,2,4-triazole (CAS 383146-74-5)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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