2,6-Dibromoisonicotinamide CAS 2464-63-3
| CAS No. | 2464-63-3 |
| Molecular Formula | C6H4Br2N2O |
| Molecular Weight | 279.92 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.
2,6-Dibromoisonicotinamide (CAS 2464-63-3) is a high-purity analytical reference standard with the molecular formula C6H4Br2N2O and a molecular weight of 279.92 g/mol.
Structurally, 2,6-Dibromoisonicotinamide (C6H4Br2N2O) contains an amide 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 279.92 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.
Physical & Chemical Properties
| Molecular Formula | C6H4Br2N2O |
| Molecular Weight | 279.92 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 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromoisonicotinamide Standards
Recommended Standards
- 2,4-Dibromonicotinamide (CAS 1935082-92-0)
- 3,5-dibromopyridine-2-carboxamide (CAS 861018-86-2)
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- N-(3,5-Dibromopyridin-2-yl)formamide (CAS 457957-86-7)
- 1-([2,2'-bithiophen]-5-yl)ethan-1-one (CAS 3515-18-2)
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- 7-Nitro-1H-indazol-5-yl acetate (CAS 1031927-26-0)
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- 4-Amino-2-(tetrahydro-2H-pyran-4-yl)pyrimidine-5-carbonitrile (CAS 1484489-45-3)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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