2-Bromo-3,4-Difluoronitrobenzene CAS 350699-92-2
| CAS No. | 350699-92-2 |
| Molecular Formula | C6H2BrF2NO2 |
| Molecular Weight | 237.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Bromo-3,4-Difluoronitrobenzene (CAS 350699-92-2), molecular formula C6H2BrF2NO2 and molecular weight 237.99 g/mol, is a CATO reference standard with documented purity and traceability.
2-Bromo-3,4-Difluoronitrobenzene (C6H2BrF2NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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.
Physical & Chemical Properties
| Molecular Formula | C6H2BrF2NO2 |
| Molecular Weight | 237.99 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 1-Bromo-2,3-difluoro-4-nitrobenzene (CAS 1003708-24-4)
- 3-Bromo-2,4-difluoronitrobenzene, 97% (CAS 103977-78-2)
- 5-Bromo-1,2-difluoro-3-nitrobenzene (CAS 1261988-16-2)
- 1-Bromo-2,4-difluoro-3-nitrobenzene (CAS 1420800-30-1)
- 5-Bromo-1,3-difluoro-2-nitrobenzene (CAS 147808-42-2)
- 1-Bromo-2,5-difluoro-4-nitrobenzene, 97% (CAS 167415-27-2)
- 2-Bromo-1,4-difluoro-3-nitrobenzene (CAS 1804402-94-5)
- 1-Bromo-2,3-difluoro-5-nitrobenzene (CAS 374633-24-6)
Recommended Standards
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- 2-Bromo-3,5-difluoroisonicotinic acid (CAS 2748453-60-1)
- 2-Bromo-1,3-difluoro-5-nitrobenzene (CAS 886762-62-5)
- 2-Bromo-4,5-difluoronitrobenzene (CAS 321-17-5)
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- 1-benzyl-3,4-dihydroxypyrrolidine-2,5-dione (CAS 332040-86-5)
- (1-(O-tolyl)pyrrolidin-3-yl)methanamine hydrochloride (CAS 1269394-29-7)
- 3-Methyl-2-(pyrrolidin-1-yl)butan-1-amine oxalate (CAS 2034585-57-2)
- 3-[2-(4-Bromo-2-chlorophenoxy)ethyl]piperidinehydrochloride (CAS 1220018-92-7)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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