3-(3-Chlorophenyl)-2',3'-dichloropropiophenone CAS 898787-35-4
| CAS No. | 898787-35-4 |
| Molecular Formula | C15H11Cl3O |
| Molecular Weight | 313.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(3-Chlorophenyl)-2',3'-dichloropropiophenone (C15H11Cl3O) contains a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 313.61 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-(3-Chlorophenyl)-2',3'-dichloropropiophenone (CAS 898787-35-4), molecular formula C15H11Cl3O and molecular weight 313.61 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H11Cl3O |
| Molecular Weight | 313.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 3-(3-Chlorophenyl)-2',4'-dichloropropiophenone (CAS 898787-36-5)
- 3-(3-Chlorophenyl)-2',5'-dichloropropiophenone (CAS 898787-37-6)
- 3-(3-Chlorophenyl)-2',6'-dichloropropiophenone (CAS 898787-50-3)
- 3-(3-Chlorophenyl)-3',4'-dichloropropiophenone (CAS 898787-38-7)
- 3-(3-Chlorophenyl)-3',5'-dichloropropiophenone (CAS 898787-40-1)
- 3-(4-Chlorophenyl)-1-(3,4-dichlorophenyl)propan-1-one (CAS 296271-46-0)
- 3-(4-Chlorophenyl)-2',3'-dichloropropiophenone (CAS 898788-39-1)
- 3-(4-Chlorophenyl)-2',4'-dichloropropiophenone (CAS 898788-41-5)
Recommended Standards
- (E)-3,5-Dichloro-N-(4-chlorophenyl)-N'-methylbenzene-1-carboximidamide (CAS 339010-08-1)
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)difluoromethyl)-1H-1,2,4-triazol-5-amine (CAS 1823182-90-6)
- 2-(5-Bromothiophen-2-yl)-6-chloroimidazo[1,2-a]pyridine (CAS 439107-51-4)
- 4,5-Bis(trifluoromethyl)pyridine-2-sulfonyl chloride (CAS 1806301-99-4)
- 4-(3,4-Dichlorophenyl)butanal (CAS 1310094-84-8)
- 2-Chloro-5-(trifluoromethyl)phenylhydrazine (CAS 1869-22-3)
- methyl 2-amino-3-chloro-6-fluorobenzoate (CAS 1342035-05-5)
- 4-(3-Chlorophenyl)-1-(2,3,4-trichlorophenyl)-1H-pyrazole (CAS 318288-88-9)
- 5-Fluoro-2-(furan-2-ylmethoxy)-phenylamine (CAS 869943-67-9)
- 4-(4-acetyl-5-methyl-1H-pyrazol-1-yl)benzonitrile (CAS 671181-66-1)
- Methyl 2-amino-2-methyl-3-(2-propyl-1h-imidazol-1-yl)propanoate (CAS 1340413-91-3)
- 5-Ethynylisoxazole-3-carboxylic acid (CAS 89488-59-5)
- Ethyl (2E)-3-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-yl}-3-{[(2,4-dichlorophenyl)carbamoyl]amino}prop-2-enoate (CAS 337920-13-5)
- Insulin Glargine Metabolite M2 (CAS CATO-CPTD788867)
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