4-Bromo-5-(butoxymethyl)-1-butyl-1H-pyrazole CAS 1856078-31-3
| CAS No. | 1856078-31-3 |
| Molecular Formula | C12H21BrN2O |
| Molecular Weight | 289.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Bromo-5-(butoxymethyl)-1-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.
CATO supplies 4-Bromo-5-(butoxymethyl)-1-butyl-1H-pyrazole (CAS 1856078-31-3), a certified reference material (molecular formula C12H21BrN2O, MW 289.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H21BrN2O, 4-Bromo-5-(butoxymethyl)-1-butyl-1H-pyrazole 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 289.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C12H21BrN2O |
| Molecular Weight | 289.21 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-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.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 3-Bromo-4'-(tert-butyl)-1,1'-biphenyl (CAS 1443351-07-2)
- 4-Bromo-4'-tert-butylbiphenyl (CAS 162258-89-1)
- 4-Bromo-1-butyl-5-(isobutoxymethyl)-1H-pyrazole (CAS 1855946-72-3)
- 4-Bromo-3-(sec-butoxymethyl)-1-(sec-butyl)-1H-pyrazole (CAS 1856031-37-2)
- 4-Bromo-3-(butoxymethyl)-1-(sec-butyl)-1H-pyrazole (CAS 1856054-10-8)
- 4-Bromo-1-(sec-butyl)-3-(isobutoxymethyl)-1H-pyrazole (CAS 1856054-30-2)
- 4-Bromo-3-(butoxymethyl)-1-butyl-1H-pyrazole (CAS 1856085-24-9)
- 4-Bromo-1-(sec-butyl)-5-(isobutoxymethyl)-1H-pyrazole (CAS 1856089-04-7)
Recommended Standards
- (1-(4-Methyl-6-(trifluoromethyl)pyrimidin-2-yl)-1H-1,2,3-triazole-4,5-diyl)dimethanol (CAS 866133-94-0)
- 2,2,2-Trifluoro-N-(7-hydroxy-6,7-dihydro-5H-indeno[5,6-d][1,3]dioxol-5-yl)acetamide (CAS 866131-56-8)
- 2-[1,3-dimethyl-6-oxo-4-(trifluoromethyl)-1h,6h,7h-pyrazolo[3,4-b]pyridin-7-yl]acetic acid (CAS 937605-40-8)
- 2-bromo-1-[4-(4-methyl-1H-imidazol-1-yl)phenyl]ethan-1-one (CAS 810662-38-5)
- Bis(8-quinolinyl 1-hydroxy-2-naphthalenecarboxylato-O1,O2')copper (CAS 63717-35-1)
- 2-chloro-3-propylpyrazine (CAS 85093-85-2)
- N-((2-fluorophenyl)carbamothioyl)benzamide (CAS 73999-10-7)
- 5-(Butoxymethyl)-1-cyclopentyl-1H-pyrazole (CAS 1856096-18-8)
- (4S)-4-Benzyl-3-isovaleryloxazolidin-2-one (CAS 104266-90-2)
- 2-[3,5-bis(methoxycarbonyl)-4-methylthiophene-2-sulfonamido]propanoic acid (CAS 1008594-95-3)
- 1-allyl-4-fluorobenzene (CAS 1737-16-2)
- 3-(3,5-Dimethyl-4-((methylamino)methyl)-1h-pyrazol-1-yl)tetrahydrothiophene 1,1-dioxide (CAS 956437-74-4)
- Ethyl 1-benzyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate (CAS 97475-96-2)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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