3-Bromo-4-fluoro-benzoyl chloride CAS 672-75-3
| CAS No. | 672-75-3 |
| Molecular Formula | C7H3BrClFO |
| Molecular Weight | 237.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-4-fluoro-benzoyl chloride is closely related to a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-4-fluoro-benzoyl chloride (CAS 672-75-3), molecular formula C7H3BrClFO and molecular weight 237.45 g/mol, is a CATO reference standard with documented purity and traceability.
3-Bromo-4-fluoro-benzoyl chloride (C7H3BrClFO) contains a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C7H3BrClFO |
| Molecular Weight | 237.45 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.) | 1957 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-3-fluorobenzoyl chloride (CAS 1000339-91-2)
- 2-Bromo-6-fluorobenzoyl chloride (CAS 1020718-20-0)
- 2-Bromo-3-chloro-6-fluorobenzaldehyde (CAS 1056264-66-4)
- 2-Bromo-4-chloro-5-fluorobenzaldehyde (CAS 1067882-63-6)
- 6-Bromo-3-chloro-2-fluorobenzaldehyde (CAS 1114809-02-7)
- 3-Bromo-2-chloro-6-fluorobenzaldehyde, 97% (CAS 1114809-11-8)
- 2-Bromo-5-fluorobenzoyl chloride (CAS 111771-13-2)
- 2-Bromo-4-chloro-6-fluorobenzaldehyde (CAS 1135531-73-5)
Recommended Standards
- 3-Bromo-2-fluorobenzoyl chloride (CAS 374554-41-3)
- 3-Bromo-5-fluorobenzoyl chloride (CAS 887266-90-2)
- 2-Bromo-4-fluorobenzoyl Chloride (CAS 95383-36-1)
- 3-Bromo-6-chloro-2-fluorobenzaldehyde (CAS 886615-30-1)
- 1-[(4-Bromo-2-methyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazol-3-yl)methyl]-4-(4-methoxyphenyl)-1H-1,2,3-triazole-5-carbonitrile (CAS 1024251-40-8)
- 7-Bromo-1<I>H</I>-indene (CAS 16657-07-1)
- (2S,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-(naphthalen-1-yl)propanoic acid (CAS 959583-61-0)
- 2-Bromo-8-(3-chlorophenoxy)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridine (CAS 2443488-31-9)
- Methyl 4-Bromo-1-naphthoate (CAS 35615-97-5)
- 9,9-Diphenyl-9H-xanthene (CAS 102892-77-3)
- 2,2,4-trimethylpiperidine hydrochloride (CAS 2060043-37-8)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-cyclopropylpropanoicacid (CAS 1219163-22-0)
- (2E)-2-[[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)amino]methylidene]-4,4-dimethyl-3-oxopentanenitrile (CAS 1020252-20-3)
- Peptide 436 (CAS CATO-CPTD788436)
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