2,5-Dibromo-3-nitro-pyridine CAS 15862-37-0
| CAS No. | 15862-37-0 |
| Molecular Formula | C5H8Br2N2O2 |
| Molecular Weight | 287.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,5-Dibromo-3-nitro-pyridine.
2,5-Dibromo-3-nitro-pyridine (CAS 15862-37-0), molecular formula C5H8Br2N2O2 and molecular weight 287.94 g/mol, is a CATO reference standard with documented purity and traceability.
2,5-Dibromo-3-nitro-pyridine (C5H8Br2N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C5H8Br2N2O2 |
| Molecular Weight | 287.94 g/mol |
| 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 2,5-Dibromo-1,8-naphthyridine (CAS 1260657-29-1)
- 1,4-Dibromo-2,6-naphthyridine (CAS 1353971-28-4)
- 3,8-Dibromo-1,6-naphthyridine (CAS 17965-75-2)
- 3,5-Dibromo-1,7-naphthyridine (CAS 17965-77-4)
- 3,6-Dibromo-1,8-naphthyridine (CAS 17965-79-6)
- 1,4-Dibromo-2,7-naphthyridine (CAS 1823920-98-4)
- 2,6-dibromo-1H-inden-1-one (CAS 1909313-83-2)
- 2,3-Dibromo-1,8-naphthyridine (CAS 52626-31-0)
Recommended Standards
- 2,6-Dibromoquinazoline (CAS 161425-75-8)
- 5,7-Dibromoquinoxaline (CAS 1644115-99-0)
- Ethyl 2,2-dibromo-3-oxobutanoate (CAS 89415-67-8)
- 2,6-Dibromoquinoxaline (CAS 175858-10-3)
- 1-benzyl-2,3,3-trimethyl-3H-indol-1-ium bromide (CAS 139417-75-7)
- 3-Methyl-1-(3-(trifluoromethyl)benzyl)-1h-pyrazol-5-amine (CAS 1273793-77-3)
- Ethyl 5-(3-hydroxyprop-1-yn-1-yl)thiophene-2-carboxylate (CAS 1824112-38-0)
- N-(2-aminophenyl)-3-(trifluoromethyl)benzamide (CAS 400073-82-7)
- 4-(1H-Benzo[d]imidazol-2-yl)benzenesulfonic acid (CAS 50343-57-2)
- 2-Bromo-4-methylpyrimidin-5-amine (CAS 1251032-89-9)
- 2-Bromo-1-(difluoromethyl)-3,4-dimethoxybenzene (CAS 2090536-09-5)
- 2-(4-Bromophenyl)-4,4,6-trimethyl-1,3-dioxane (CAS 171367-53-6)
- Ethyl 2-(3,4-dimethylphenoxy)propanoate (CAS 153472-91-4)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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