3-Bromo-1-(tert-butyl)-1H-pyrazole CAS 1779857-30-5
| CAS No. | 1779857-30-5 |
| Molecular Formula | C7H11BrN2 |
| Molecular Weight | 203.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.08 g/mol gives 3-Bromo-1-(tert-butyl)-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-1-(tert-butyl)-1H-pyrazole (CAS 1779857-30-5) is a high-purity analytical reference standard with the molecular formula C7H11BrN2 and a molecular weight of 203.08 g/mol.
Based on its molecular formula C7H11BrN2, 3-Bromo-1-(tert-butyl)-1H-pyrazole contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 203.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-1-(tert-butyl)-1H-pyrazole 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 | C7H11BrN2 |
| Molecular Weight | 203.08 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.) | 1994 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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- 4-Bromo-1-(butan-2-yl)-1h-pyrazole (CAS 1179304-86-9)
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Recommended Standards
- 3-Bromo-5-isopropyl-1-methyl-1H-pyrazole (CAS 1779857-28-1)
- 5-Bromo-3-isopropyl-1-methyl-1h-pyrazole (CAS 1780931-99-8)
- 3-Bromobicyclo[2.2.2]octan-2-one (CAS 1706432-81-6)
- 5-bromo-1-methyl-2-(propan-2-yl)-1H-imidazole (CAS 1824465-71-5)
- 2-(2-(2-Hydroxybenzylidene)hydrazinyl)-6-methylpyrimidin-4-ol (CAS 66680-03-3)
- (2R,3S)-2-(hydroxymethyl)pyrrolidin-3-ol (CAS 105017-31-0)
- B-[2-Fluoro-4-(4-pentylcyclohexyl)phenyl]boronic acid (CAS 877052-48-7)
- tert-Butyl 2-(2,5-dimethoxyphenyl)piperidine-1-carboxylate (CAS 1355214-89-9)
- 8-Chloroimidazo[1,2-a]pyrazin-3-amine (CAS 1289121-30-7)
- 3-Oxo-2-(thiophene-2-carbonyl)-butyric acid ethylester (CAS 13892-51-8)
- N-(4-bromo-2-methylphenyl)benzamide (CAS 349397-71-3)
- 3-(4-Allyl-2-methoxyphenoxy)piperidinehydrochloride (CAS 1219972-31-2)
- 1-(5-Amino-1,3,4-oxadiazol-2-yl)ethanone (CAS 74949-72-7)
- Renin Inhibitor Peptide (CAS 50410-01-0)
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