1-Bromo-4-difluoromethoxy-5-fluoro-2-nitrobenzene CAS 1807172-74-2
| CAS No. | 1807172-74-2 |
| Molecular Formula | C7H3BrF3NO3 |
| Molecular Weight | 286.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system, 1-Bromo-4-difluoromethoxy-5-fluoro-2-nitrobenzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 286.00 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 1-Bromo-4-difluoromethoxy-5-fluoro-2-nitrobenzene (CAS 1807172-74-2), a certified reference material (molecular formula C7H3BrF3NO3, MW 286.00 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-Bromo-4-difluoromethoxy-5-fluoro-2-nitrobenzene 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 | C7H3BrF3NO3 |
| Molecular Weight | 286.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 2-Bromo-4-(trifluoromethoxy)nitrobenzene (CAS 1003708-31-3)
- 4-Bromo-1-nitro-2-(trifluoromethoxy)benzene (CAS 1260879-28-4)
- 5-Bromo-2-(trifluoromethoxy)nicotinic acid (CAS 1361803-33-9)
- 1-Bromo-2-(difluoromethoxy)-5-fluoro-4-nitrobenzene (CAS 1417566-72-3)
- 1-Bromo-3-nitro-2-(trifluoromethoxy)benzene (CAS 1417567-59-9)
- 3-Bromo-6-nitro-2-(trifluoromethyl)phenol (CAS 1445995-70-9)
- 4-Bromo-2-nitro-5-(trifluoromethyl)phenol (CAS 1613719-77-9)
- 1-Bromo-3-difluoromethoxy-4-fluoro-5-nitrobenzene (CAS 1804910-01-7)
Recommended Standards
- 1-Bromo-3-difluoromethoxy-2-fluoro-5-nitrobenzene (CAS 1807172-71-9)
- 1-Bromo-2-nitro-3-(trifluoromethoxy)benzene (CAS 1807193-54-9)
- 1-Bromo-3-nitro-5-(trifluoromethoxy)benzene (CAS 1807151-57-0)
- 1-Bromo-2-difluoromethoxy-4-fluoro-5-nitrobenzene (CAS 1807196-03-7)
- STATIL (CAS 72702-95-5)
- 5-Nitrobenzo[d]oxazole-2(3H)-thione (CAS 22876-21-7)
- 2-Mercapto-5-methylbenzimidazole (CAS 27231-36-3)
- 1-(1-Phenyl-1H-pyrazol-4-yl)cyclopropan-1-amine (CAS 1780767-57-8)
- N-Methyl-N-[(3R)-tetrahydrofuran-3-yl]azetidin-3-amine (CAS 1403813-14-8)
- 3-Bromo-2-chloro-6-methoxypyridine (CAS 777931-67-6)
- 3-Bromo-2-hydroxybenzaldehyde (CAS 1829-34-1)
- 4-Nitro-1H-indazol-7-amine (CAS 89795-92-6)
- 2-Methyl-5-nitro-N-(2,2,6,6-tetramethylpiperidin-4-yl)benzenesulfonamide (CAS 898654-14-3)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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