3-Bromo-5-propyl-1H-1,2,4-triazole CAS 141831-71-2
| CAS No. | 141831-71-2 |
| Molecular Formula | C5H8BrN3 |
| Molecular Weight | 190.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H8BrN3, 3-Bromo-5-propyl-1H-1,2,4-triazole contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Bromo-5-propyl-1H-1,2,4-triazole (CAS 141831-71-2) is a high-purity analytical reference standard with the molecular formula C5H8BrN3 and a molecular weight of 190.04 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-propyl-1H-1,2,4-triazole 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 | C5H8BrN3 |
| Molecular Weight | 190.04 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 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5-Bromo-2-isopropyloxazole (CAS 1391739-84-6)
- 3-Bromo-5-isopropyl-1H-1,2,4-triazole (CAS 141831-72-3)
- 4-Bromo-5-ethyl-1H-pyrazol-3-amine (CAS 1376333-10-6)
- 3-Bromo-4,5,6,6a-tetrahydro-3aH-cyclopenta[d]isoxazole (CAS 1447960-24-8)
- 1-[4-methyl-2-(propan-2-yl)-1,3-thiazol-5-yl]ethan-1-one (CAS 1247900-44-2)
- (S)-1-(3-Bromo-4-methoxyphenyl)-2-chloroethan-1-ol (CAS 468740-87-6)
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- N-(2-bromo-4-methylphenyl)-3-methylbut-2-enamide (CAS 691366-93-5)
- IPPD-Quinone (CAS 68054-73-9)
- 5-Amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-4-carboxamide (CAS 1416348-13-4)
- 4-(aminomethyl)-2-bromo-6-methoxyphenol hydrochloride (CAS 1432679-67-8)
- 4-(3,4,5-Trifluorophenyl)but-3-en-2-one (CAS 1033193-99-5)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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