3-(4-Bromo-1-ethyl-3-methyl-1h-pyrazol-5-yl)propan-1-ol CAS 1493500-28-9
| CAS No. | 1493500-28-9 |
| Molecular Formula | C9H15BrN2O |
| Molecular Weight | 247.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Bromo-1-ethyl-3-methyl-1h-pyrazol-5-yl)propan-1-ol (CAS 1493500-28-9) is a high-purity analytical reference standard with the molecular formula C9H15BrN2O and a molecular weight of 247.13 g/mol.
Based on its molecular formula C9H15BrN2O, 3-(4-Bromo-1-ethyl-3-methyl-1h-pyrazol-5-yl)propan-1-ol contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.13 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).
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 | C9H15BrN2O |
| Molecular Weight | 247.13 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.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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- 4’-Bromo-2-methylbiphenyl (CAS 106475-19-8)
- 2-Bromo-3-(1-naphthyl)-1-propene (CAS 116545-04-1)
- 5-bromo-2-methyl-indazole-3-carbaldehyde (CAS 1251023-52-5)
- 1-Bromo-4-cyclopropylnaphthalene (CAS 127971-24-8)
- 3-Bromo-5-(piperidin-1-ylmethyl)-4,5-dihydroisoxazole (CAS 1447960-27-1)
- 3-(4-Bromo-3-ethyl-1-methyl-1h-pyrazol-5-yl)propan-1-ol (CAS 1493637-42-5)
- 4-Bromo-3-(ethoxymethyl)-1-isopropyl-1H-pyrazole (CAS 1855941-01-3)
Recommended Standards
- 7-Hydroxy-5-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 1310308-29-2)
- 5-Nitro-6-(trifluoromethoxy)-1H-indazole (CAS 1499162-40-1)
- 2-(2-aminoethoxy)-4-bromo-benzonitrile (CAS 1594857-06-3)
- 7-Amino-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1211464-08-2)
- 4-Hydroxy-1-phenylphosphinane 1-oxide (CAS 23855-90-5)
- 3-[(1E)-(Dimethylamino)methylidene]-1-(2-fluorophenyl)thiourea (CAS 477851-99-3)
- (R)-tert-Butyl (tetrahydro-2H-pyran-3-yl)carbamate (CAS 1245648-17-2)
- tert-butyl(2-fluorophenoxy)dimethylsilane (CAS 103438-89-7)
- 3-Cyclopropyl-1-methyl-1H-pyrazole-5-carbaldehyde (CAS 1245808-37-0)
- Ferrous Ascorbate (CAS 24808-52-4)
- benzyl 2-bromo-2,2-difluoroacetate (CAS 155820-63-6)
- (S)-6-(Trifluoromethyl)chroman-4-amine hydrochloride (CAS 2088960-08-9)
- 1,4-Dioxo-1,2,3,4-tetrahydrophthalazine-5-carboxylic acid (CAS 67402-77-1)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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