3-Ethoxy-2,4-difluorobenzyl bromide CAS 1017778-22-1
| CAS No. | 1017778-22-1 |
| Molecular Formula | C9H9BrF2O |
| Molecular Weight | 251.07 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.
CATO supplies 3-Ethoxy-2,4-difluorobenzyl bromide (CAS 1017778-22-1), a certified reference material (molecular formula C9H9BrF2O, MW 251.07 g/mol) for analytical method development and quality control.
Structurally, 3-Ethoxy-2,4-difluorobenzyl bromide (C9H9BrF2O) contains a hydroxyl group, an ether linkage, fluorine/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 251.07 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.
CATO manufactures 3-Ethoxy-2,4-difluorobenzyl bromide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9BrF2O |
| Molecular Weight | 251.07 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.) | 1988 |
| Halogen Content | F/Br-containing |
Related Ethoxy Standards
- 2-Ethoxy-3,5-difluorobenzyl bromide (CAS 1017779-82-6)
- 3-Ethoxy-2,6-difluorobenzyl bromide (CAS 1092461-30-7)
- (3-((2-Ethoxy-2-oxoethyl)carbamoyl)phenyl)boronic acid (CAS 1072945-97-1)
- (4-((2-Ethoxy-2-oxoethyl)carbamoyl)phenyl)boronic acid (CAS 1072946-08-7)
- 1-Ethoxy-3-nitro-5-(trifluoromethoxy)benzene (CAS 1803774-05-1)
- 5-ethoxy-2-(4-fluorophenyl)-1,3-oxazole-4-carboxylic acid (CAS 923819-89-0)
- 2-Ethoxy-5-fluoro-N-(4-fluorophenyl)pyrimidin-4-amine (CAS 1956334-57-8)
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Recommended Standards
- 2,6-Dichlorosyringaldehyde (CAS 76330-06-8)
- 5-(Bromomethyl)-2-ethoxy-1,3-difluorobenzene (CAS 1017779-38-2)
- Dichloroisoeverninic acid (CAS 4101-80-0)
- 4-(2-Iodoethyl)-3,5-dimethylisoxazole (CAS 83467-36-1)
- 2-Methyl-3-(4-methylthiophene-3-carboxamido)propanoic acid (CAS 1519852-65-3)
- 3-bromo-5-iodopyridin-4-amine (CAS 902837-39-2)
- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-hydroxy-2,6-dimethyl-, 4-oxide (CAS 65355-16-0)
- Ethyl 4-amino-2-(4-benzylpiperazin-1-yl)-1,3-thiazole-5-carboxylate (CAS 1427461-12-8)
- 4-Bromo-2-(2-methyl-1h-imidazol-1-yl)benzaldehyde (CAS 1099671-88-1)
- 4'-Ethoxy-3',5'-dimethyl-[1,1'-biphenyl]-3-amine (CAS 1187386-08-8)
- 8-Allyl-2-((3-hydroxyphenyl)imino)-2H-chromene-3-carboxamide (CAS 898499-91-7)
- 4-(5-Chloro-2-fluorophenyl)thiazol-2-amine (CAS 1202679-25-1)
- 3-(3-(4-Fluorophenyl)-1h-pyrazol-1-yl)propan-1-amine (CAS 1006480-30-3)
- Neuropeptide AF (human) (CAS 192387-38-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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