7-Bromo-1,2,4-triazolo[4,3-a]pyridine CAS 832735-60-1
| CAS No. | 832735-60-1 |
| Molecular Formula | C6H4BrN3 |
| Molecular Weight | 198.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Bromo-1,2,4-triazolo[4,3-a]pyridine (CAS 832735-60-1) is a high-purity analytical reference standard with the molecular formula C6H4BrN3 and a molecular weight of 198.02 g/mol.
Owing to a nitrile group, bromine substitution, an aromatic ring system, 7-Bromo-1,2,4-triazolo[4,3-a]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 198.02 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 7-Bromo-1,2,4-triazolo[4,3-a]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 | C6H4BrN3 |
| Molecular Weight | 198.02 g/mol |
| Appearance | Off-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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 2-Bromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1021019-03-3)
- 7-Bromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1053655-66-5)
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Recommended Standards
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- 6-Bromoimidazo[1,2-α]pyrazine (CAS 912773-24-1)
- 7-Bromo-1H-pyrazolo[3,4-c]pyridine (CAS 957760-11-1)
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