4-Chloro-3-ethoxy-2-fluorobenzyl bromide CAS 1323966-30-8
| CAS No. | 1323966-30-8 |
| Molecular Formula | C9H9BrClFO |
| Molecular Weight | 267.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Chloro-3-ethoxy-2-fluorobenzyl bromide (C9H9BrClFO) contains a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 267.52 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.
4-Chloro-3-ethoxy-2-fluorobenzyl bromide (CAS 1323966-30-8) is a high-purity analytical reference standard with the molecular formula C9H9BrClFO and a molecular weight of 267.52 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Chloro-3-ethoxy-2-fluorobenzyl bromide 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 | C9H9BrClFO |
| Molecular Weight | 267.52 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl/Br-containing |
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Recommended Standards
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- 2-Aminocinnamic acid (CAS 1664-63-7)
- 4-[2-(4-Chloro-3-methylphenoxy)ethyl]piperidinehydrochloride (CAS 1219981-23-3)
- 3-((Allyloxy)carbonyl)-5-phenyl-3-azabicyclo[3.1.1]heptane-1-carboxylic acid (CAS 2764001-41-2)
- 21743-75-9 4,4,5,5-tetramethyl-2-[4-(1,2,2-trifluoroethenoxy)phenyl]-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-[4-[1,2,2-tris(fluoranyl)ethenoxy]phenyl]-1,3,2-dioxaborolane A815639 (CAS 21743-75-9)
- 6-Bromo-1-hexanol (CAS 4286-55-9)
- Iridium, bis[3,5-difluoro-2-(2-pyridinyl-κN)phenyl-κC](4′-methyl[2,2′-bipyridine]-4-carboxylato-κN1,κN1′)- (CAS 1250262-19-1)
- 4-Formyl-6-methoxypicolinonitrile (CAS 1289123-31-4)
- Desocodeine (CAS 3990-01-0)
- Methyl 7-bromo-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxylate (CAS 942152-80-9)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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