2,6-Dibromopyridin-4-ol CAS 220616-68-2
| CAS No. | 220616-68-2 |
| Molecular Formula | C5H3Br2NO |
| Molecular Weight | 252.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,6-Dibromopyridin-4-ol (C5H3Br2NO) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 252.89 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2,6-Dibromopyridin-4-ol (CAS 220616-68-2) is a high-purity analytical reference standard with the molecular formula C5H3Br2NO and a molecular weight of 252.89 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,6-Dibromopyridin-4-ol 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 | C5H3Br2NO |
| Molecular Weight | 252.89 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 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromopyridin Standards
- 2,5-Dibromopyridin-4-ol (CAS 1033203-55-2)
- 2,4-Dibromopyridin-3-ol (CAS 129611-31-0)
- 5,6-Dibromopyridin-2(1H)-one (CAS 1357946-05-4)
- 5,6-dibromopyridin-3-ol (CAS 1379368-82-7)
- 4,5-Dibromopyridin-2(1H)-one (CAS 1381937-65-0)
- 3,4-Dibromopyridin-2(1H)-one (CAS 1399482-35-9)
- 3,6-Dibromopyridin-2(1H)-one (CAS 1803717-25-0)
- 4,6-Dibromopyridin-3-ol (CAS 857429-81-3)
Recommended Standards
- 2,6-Dibromo-3-hydroxypyridine (CAS 6602-33-1)
- 2-Amino-3,5-dibromopyrazine (CAS 24241-18-7)
- 2,5-Dibromopyridine 1-oxide (CAS 20734-22-9)
- 2-Amino-4,6-dibromopyrimidine (CAS 856973-26-7)
- Methyl 3-bromo-6-methoxy-5-(trifluoromethyl)picolinate (CAS 2230999-44-5)
- (4-Methoxy-3,5-dimethylpyridin-2-yl)methanol Hydrochloride (CAS 96300-88-8)
- Cyclobuta[b]quinoxaline (CAS 6847-24-1)
- (E,E)-Epalrestat Ethyl Ester （discontinue） (CAS CATO-C4X-223611)
- DIMETHYL (R)-2-(3-OXOCYCLOHEXYL)MALONATE (CAS 164931-77-5)
- Methyl 3-sulfamoylthiophene-2-carboxylate (CAS 59337-93-8)
- (3-Bromo-2-cyanophenyl)boronic acid (CAS 1032231-32-5)
- Dimetindene EP Impurity H (CAS 1346597-95-2)
- (S)-1-((S)-3-(Benzylthio)-2-methylpropanoyl)pyrrolidine-2-carboxylic acid (CAS 81276-20-2)
- Exenatide (CAS 141758-74-9（free base）)
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