3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine CAS 1186608-83-2
| CAS No. | 1186608-83-2 |
| Molecular Formula | C6H11BrN4O2 |
| Molecular Weight | 251.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine (C6H11BrN4O2) 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 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 251.08 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.
3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine (CAS 1186608-83-2) is a high-purity analytical reference standard with the molecular formula C6H11BrN4O2 and a molecular weight of 251.08 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), 3-bromo-5-nitro-2H-pyrazolo[3,4-b]pyridine 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 | C6H11BrN4O2 |
| Molecular Weight | 251.08 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related bromo Standards
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- 2-Bromo-3-(pyridin-2-yloxy)pyridine (CAS 1065484-62-9)
- 5-Bromo-2h-[1,2'-bipyridin]-2-one (CAS 109822-11-9)
- 4-Bromo-2-(1h-imidazol-1-yl)benzaldehyde (CAS 1099630-02-0)
- 4-Bromo-2-(1h-pyrazol-1-yl)benzaldehyde (CAS 1152645-08-3)
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Recommended Standards
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- 2-(4-Bromo-1h-pyrazol-1-yl)benzaldehyde (CAS 1174064-66-4)
- 2-Bromo-5-phenoxypyrazine (CAS 1189704-56-0)
- N-(1-(2-Isonicotinoylhydrazinyl)-1-oxopropan-2-yl)adamantane-1-carboxamide (CAS 1008184-56-2)
- 4-{[(E)-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethenyl]amino}-N,N-dimethylbenzene-1-sulfonamide (CAS 303997-75-3)
- Methyl 5-oxo-5-(m-tolyl)pentanoate (CAS 1443333-28-5)
- 3-Chloro-4-methylbenzene-1-sulfonyl chloride (CAS 42413-03-6)
- N-(3-methoxybenzyl)-2-(4-methoxyphenyl)ethan-1-amine hydrobromide (CAS 1609403-79-3)
- 4-(1H-Imidazol-4-yl)-2-methylpyridine (CAS 851262-44-7)
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