5-Bromo-2-(5-bromopyridin-2-yl)-2H-1,2,3-triazole-4-carboxylic acid CAS 1707371-72-9
| CAS No. | 1707371-72-9 |
| Molecular Formula | C8H4Br2N4O2 |
| Molecular Weight | 347.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Bromo-2-(5-bromopyridin-2-yl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1707371-72-9), molecular formula C8H4Br2N4O2 and molecular weight 347.95 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 5-Bromo-2-(5-bromopyridin-2-yl)-2H-1,2,3-triazole-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 347.95 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.
As a certified reference material (CRM), 5-Bromo-2-(5-bromopyridin-2-yl)-2H-1,2,3-triazole-4-carboxylic acid 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 | C8H4Br2N4O2 |
| Molecular Weight | 347.95 g/mol |
| Appearance | Pale yellow to 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 sealed and dry |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Bromo Standards
- 4-bromo-2-(1-bromo-2,2,2-trifluoroethyl)-1-methoxy-Benzene (CAS 1250022-39-9)
- 5-Bromo-2-(3-bromopyridin-2-yl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1710661-07-6)
- 2-bromo-1-(bromomethyl)-3-(2,2,2-trifluoroethoxy)benzene (CAS 1824284-85-6)
- 4-Bromo-3-iodo-1H-indazole-6-carbonitrile (CAS 1000342-48-2)
- 6-Bromo-3-iodo-1H-indazole-4-carbonitrile (CAS 1000342-60-8)
- 6-Bromo-3-iodoimidazo[1,2-a]pyridine-2-carbonitrile (CAS 2639815-30-6)
- 6-Bromo-8-iodoimidazo[1,2-a]pyridine-7-carbonitrile (CAS 2768870-88-6)
- 2-Bromo-5-(difluoromethyl)-3-iodo-4-methylpyridine (CAS 1804667-83-1)
Recommended Standards
- 1,2-Dibromo-5-ethoxy-3-(trifluoromethyl)benzene (CAS 2384010-19-7)
- 6,8-Dibromo-4-oxo-4h-chromene-3-carboxylic acid (CAS 76743-82-3)
- Pretomanid Impurity 22 (CAS CATO-C4X-260622)
- 6,8-Dibromo-4-oxo-4H-chromene-2-carboxylic acid (CAS 92057-41-5)
- 1-(3-Fluorophenyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2223038-04-6)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-iodopyridine-6-carboxaldehyde (CAS 1805540-31-1)
- 3-(4,4,4-Trifluoro-3-oxobutanoyl)benzonitrile (CAS 846601-25-0)
- 2-Bromo-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridineHCl (CAS 949922-52-5)
- 6-Isopropylindole (CAS 32996-24-0)
- 3,5,6-Trichloro-2-pyridinol O-β-D-glucuronide (CAS 58997-12-9)
- 2-Ethyl-2,8-diazaspiro[5.5]Undecane (CAS 1083216-68-5)
- 2-Bromo-1-(indolin-1-yl)-2-methylpropan-1-one (CAS 294642-74-3)
- Adenosine Impurity 31 (CAS 4152-78-7)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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