3,5-Dichloro-2,4-difluorobenzoylchloride CAS 101513-72-8
| CAS No. | 101513-72-8 |
| Molecular Formula | C7HCl3F2O |
| Molecular Weight | 245.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3,5-Dichloro-2,4-difluorobenzoylchloride (CAS 101513-72-8) is a high-purity analytical reference standard with the molecular formula C7HCl3F2O and a molecular weight of 245.44 g/mol.
Structurally, 3,5-Dichloro-2,4-difluorobenzoylchloride (C7HCl3F2O) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. 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 245.44 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C7HCl3F2O |
| Molecular Weight | 245.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Cl-containing |
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- 4-Amino-5-(difluoromethyl)-6-hydroxynicotinaldehyde (CAS 1805953-27-8)
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- cis-3-Phenyl-1,1'-bi(cyclohexane) (CAS 33460-02-5)
- [D-His]-Semaglutide B (x TFA Salt) (CAS CATO-C4X-2226117)
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