7-Bromo-4-chloro-2-methylpyrrolo[2,1-f][1,2,4]triazine CAS 1781760-85-7
| CAS No. | 1781760-85-7 |
| Molecular Formula | C7H5BrClN3 |
| Molecular Weight | 246.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 7-Bromo-4-chloro-2-methylpyrrolo[2,1-f][1,2,4]triazine (CAS 1781760-85-7), a certified reference material (molecular formula C7H5BrClN3, MW 246.49 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H5BrClN3, 7-Bromo-4-chloro-2-methylpyrrolo[2,1-f][1,2,4]triazine contains a nitrile group, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.49 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.
As a certified reference material (CRM), 7-Bromo-4-chloro-2-methylpyrrolo[2,1-f][1,2,4]triazine 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 | C7H5BrClN3 |
| Molecular Weight | 246.49 g/mol |
| Appearance | Off-white to pale 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 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.) | 1994 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
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Recommended Standards
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- 5-Bromo-6-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 1707585-77-0)
- 3-Bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 1782895-40-2)
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- (S)-4-Boc-5-hydroxypentanoic acid.DCHA (CAS 105464-42-4)
- 2-(Allylthio)-6-methylnicotinic acid (CAS 127868-10-4)
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