2,6-Dibromo-3-nitropyridine CAS 55304-80-8
| CAS No. | 55304-80-8 |
| Molecular Formula | C5H2Br2N2O2 |
| Molecular Weight | 281.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,6-Dibromo-3-nitropyridine (C5H2Br2N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 281.89 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2,6-Dibromo-3-nitropyridine (CAS 55304-80-8), a certified reference material (molecular formula C5H2Br2N2O2, MW 281.89 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), 2,6-Dibromo-3-nitropyridine 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 | C5H2Br2N2O2 |
| Molecular Weight | 281.89 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 DMSO, DMF, methanol |
| 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 |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 2,4-Dibromo-3-nitropyridine (CAS 121263-10-3)
- 3,5-Dibromo-4-nitropyridine (CAS 121263-11-4)
- 2,3-Dibromo-5-nitropyridine (CAS 15862-36-9)
- 2,6-Dibromo-4-nitropyridine (CAS 175422-04-5)
- 2,3-Dibromo-4-nitropyridine (CAS 1804419-87-1)
- 4,5-Dibromo-2-nitropyridine (CAS 1806307-95-8)
- 2,4-Dibromo-5-nitropyridine (CAS 4487-57-4)
- 2,5-Dibromo-4-nitropyridine (CAS 221241-31-2)
Recommended Standards
- 3,5-Dibromo-2-nitropyridine (CAS 610261-34-2)
- 3,6-Dibromo-2-pyrazinecarboxylic Acid (CAS 957230-68-1)
- 2,3-Dibromo-6-fluorobenzaldehyde (CAS 1114809-15-2)
- 2-Chloro-1,4-difluoro-3-(trichloromethoxy)benzene (CAS 1404193-62-9)
- tert-Butyl 4-(2-(benzyl(tert-butoxycarbonyl)amino)-2-oxo-1-(2-phenyl-1H-benzo[d]imidazol-1-yl)ethyl)piperidine-1-carboxylate (CAS 1440753-63-8)
- 2-Butoxy-5-(trifluoromethyl)phenol (CAS 1881292-70-1)
- 1-(4-Nitrophenyl)propan-2-ol (CAS 91004-70-5)
- 2-Amino-5-(4-chlorophenyl)-6-ethylpyrimidin-4(3H)-one trifluoroacetate salt (CAS 91396-20-2)
- N-([1,1':3',1''-terphenyl]-4'-yl)-9,9-dimethyl-9H-fluoren-2-amine (CAS 1609484-31-2)
- 2-Bromo-N-(4-(4-chlorophenyl)thiazol-2-yl)acetamide (CAS 448224-88-2)
- Methyl 6-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinate (CAS 1220423-84-6)
- 2-chloro-1-oxo-1H-indene-3-carboxylic acid (CAS 75639-84-8)
- Ethyl glycylmethioninate hydrochloride (CAS 1397000-76-8)
- Peptide 438 (CAS CATO-CPTD788438)
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