2,3-Dibromo-6-methyl-5-nitropyridine CAS 856834-12-3
| CAS No. | 856834-12-3 |
| Molecular Formula | C6H4Br2N2O2 |
| Molecular Weight | 295.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dibromo-6-methyl-5-nitropyridine (CAS 856834-12-3) is a high-purity analytical reference standard with the molecular formula C6H4Br2N2O2 and a molecular weight of 295.92 g/mol.
Structurally, 2,3-Dibromo-6-methyl-5-nitropyridine (C6H4Br2N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. 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 295.92 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3-Dibromo-6-methyl-5-nitropyridine 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 | C6H4Br2N2O2 |
| Molecular Weight | 295.92 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 2,4-Dibromo-6-methyl-3-nitropyridine (CAS 706789-62-0)
- 2,4-Dibromo-6-nitroaniline (CAS 827-23-6)
- 2,5-Dibromo-4-methyl-3-nitropyridine (CAS 947534-69-2)
- 2,5-Dibromo-4-nitroaniline (CAS 25462-68-4)
- 2,6-Dibromo-4-methyl-3-nitropyridine (CAS 593671-26-2)
- 4,5-Dibromo-2-nitroaniline (CAS 75293-97-9)
- 2,6-Dibromo-4-nitroaniline (CAS 827-94-1)
- 2,5-Dibromo-4-hydroxybenzoic acid (CAS 101421-19-6)
Recommended Standards
- 7-Bromo-4,6-dichloro-5-fluoroquinazoline (CAS 1956325-83-9)
- Methyl 2,4-dibromopyrimidine-5-carboxylate (CAS 1935357-44-0)
- 6-Amino-3,5-dibromopicolinic acid (CAS 1360437-38-2)
- Methyl 3,6-Dibromopyrazine-2-carboxylate (CAS 13301-04-7)
- Ethyl 4-[6-chloro-2-(methylsulfanyl)pyrimidin-4-yl]piperazine-1-carboxylate (CAS 339017-78-6)
- 4-Chloro-3-(3-isopropyl-1,2,4-oxadiazol-5-yl)aniline (CAS 1178329-57-1)
- 4-Methylpyridine-2-sulfonyl Chloride (CAS 341008-95-5)
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Why CATO?
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