6-Bromo[1,2,4]triazolo[1,5-α]pyridine CAS 356560-80-0
| CAS No. | 356560-80-0 |
| Molecular Formula | C6H4BrN3 |
| Molecular Weight | 198.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 198.02 g/mol gives 6-Bromo[1,2,4]triazolo[1,5-α]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Bromo[1,2,4]triazolo[1,5-α]pyridine (CAS 356560-80-0), molecular formula C6H4BrN3 and molecular weight 198.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Bromo[1,2,4]triazolo[1,5-α]pyridine (C6H4BrN3) contains a nitrile group, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 198.02 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.
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.) | 2025 |
| 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)
- 6-Bromo-1,2-benzisoxazole (CAS 1060802-88-1)
- 7-Bromo-[1,2,3]triazolo[1,5-a]pyridine (CAS 107465-26-9)
- 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine (CAS 108281-79-4)
- 4-Bromo-1H-imidazo[4,5-c]pyridine (CAS 1086398-12-0)
- 8-Bromo[1,2,4]triazolo[4,3-a]pyridine (CAS 1126824-74-5)
- 5-Bromo-4-methylpyrimidine-2-carbonitrile (CAS 114969-80-1)
Recommended Standards
- 6-Amino-5-bromonicotinonitrile (CAS 477871-32-2)
- 6-Bromo-4H-imidazo[4,5-β]pyridine (CAS 28279-49-4)
- 6-Amino-3-bromopicolinonitrile (CAS 884541-48-4)
- 6-Bromo-7H-pyrrolo[2,3-d]pyrimidine (CAS 89280-82-0)
- Methyl 3-amino-3-(4-isopropylphenyl)propanoate (CAS 618109-84-5)
- 4-(Thietan-3-ylamino)cyclohexan-1-ol (CAS 1864953-83-2)
- UK-371804 HCl 256476-36-5 AK00767584 (CAS 256476-36-5)
- 3-Bromo-4-cyclopropoxy-2-isopropylpyridine (CAS 1243445-32-0)
- Methyl 3-amino-3-(2-bromo-3-fluorophenyl)propanoate (CAS 1876589-87-5)
- N-(4-methoxybenzyl)-1-(tetrahydrofuran-2-yl)methanamine hydrochloride (CAS 1048640-87-4)
- N-[4-(sec-Butoxy)phenyl]-N-[2-(2-ethoxyethoxy)-benzyl]amine (CAS 1040685-57-1)
- 2-bromo-4-(dimethoxymethyl)-1-fluorobenzene (CAS 81358-65-8)
- 2-Ethyltetrahydro-1H-imidazo[5,1-c][1,4]thiazine-1,3(2H)-dione (CAS 1544016-48-9)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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