4-bromo-2,3-difluoro-benzoyl chloride CAS 1349717-52-7
| CAS No. | 1349717-52-7 |
| Molecular Formula | C7H8BrClF2O |
| Molecular Weight | 261.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-bromo-2,3-difluoro-benzoyl chloride (CAS 1349717-52-7) is a high-purity analytical reference standard with the molecular formula C7H8BrClF2O and a molecular weight of 261.49 g/mol.
Based on its molecular formula C7H8BrClF2O, 4-bromo-2,3-difluoro-benzoyl chloride contains a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 261.49 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.
As a certified reference material (CRM), 4-bromo-2,3-difluoro-benzoyl chloride 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 | C7H8BrClF2O |
| Molecular Weight | 261.49 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl/Br-containing |
Related bromo Standards
- (E)-3-(4-Bromo-3-chlorophenyl)acrylic acid (CAS 1022081-97-5)
- 6-Bromo-2-chloro-5-fluoroquinazoline, 97% (CAS 1036756-07-6)
- 5-Bromo-2,3-dihydrobenzo[b]-furan-7-carbonyl chloride (CAS 108551-60-6)
- 3-Bromo-2-chlorobicyclo[4.2.0]Octa-1,3,5-triene-7-carboxylic acid (CAS 1135490-70-8)
- 5-Bromo-2-chlorobicyclo[4.2.0]Octa-1,3,5-triene-7-carboxylic acid (CAS 1135490-73-1)
- 3-Bromo-6-chloro-4-methoxy-1H-pyrrolo[2,3-b]pyridine (CAS 1190322-49-6)
- 6-Bromo-3-chloro-4-methoxypyrazolo[1,5-a]pyridine (CAS 1207839-90-4)
- 3-(4-Bromo-2-chlorophenyl)acrylic acid (CAS 1233055-24-7)
Recommended Standards
- 8-Bromo-2-chloro-6-fluoroquinazoline (CAS 953039-63-9)
- 4-Chloro-2-iodopyridin-3-ol (CAS 188057-56-9)
- 7-Bromo-4-chloro-8-fluoroquinazoline (CAS 2089651-77-2)
- 2,3-Dichloroquinoxaline-5-carbonyl chloride (CAS 1919-39-7)
- 7-Bromo-4,4-dimethyl-1,4-dihydroisoquinolin-3(2h)-one (CAS 1784289-03-7)
- 1-(1-Benzylpyrrolidin-3-yl)propan-1-ol (CAS 1501434-25-8)
- 5,6-difluoro-1H-indole-7-carboxylic acid (CAS 875305-88-7)
- 2-(2-Cyclopropyl-1,3-oxazol-5-yl)acetonitrile (CAS 1935492-67-3)
- 4-Hydroxy-6,7-dimethoxy-2H-chromen-2-one (CAS 39753-51-0)
- N-methyloxetan-3-amine hydrochloride (CAS 1799412-41-1)
- 4-(Diphenylphosphino)-N,N-diethylaniline (CAS 63370-87-6)
- (6-(Hydroxymethyl)pyridin-3-yl)boronic acid hydrochloride (CAS 1309980-30-0)
- 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carbonitrile (CAS 95461-20-4)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com