1-(3-Bromo-4-(4-methyl-1h-pyrazol-1-yl)phenyl)ethan-1-one CAS 1343446-55-8
| CAS No. | 1343446-55-8 |
| Molecular Formula | C12H11BrN2O |
| Molecular Weight | 279.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 1-(3-Bromo-4-(4-methyl-1h-pyrazol-1-yl)phenyl)ethan-1-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 279.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
1-(3-Bromo-4-(4-methyl-1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1343446-55-8) is a high-purity analytical reference standard with the molecular formula C12H11BrN2O and a molecular weight of 279.13 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), 1-(3-Bromo-4-(4-methyl-1h-pyrazol-1-yl)phenyl)ethan-1-one 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 | C12H11BrN2O |
| Molecular Weight | 279.13 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- Ethyl 3-bromo-2-naphthoate (CAS 1013915-73-5)
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- 2-(4-Bromo-3,5-dimethyl-1h-pyrazol-1-yl)benzaldehyde (CAS 1249321-90-1)
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Recommended Standards
- 4-(3-Bromo-2-oxopiperidin-1-yl)benzonitrile (CAS 1343157-40-3)
- METHYL 4-BROMO-1-METHYL-2-NAPHTHOATE (CAS 1354035-48-5)
- 1-(3-Bromo-4-(2-methyl-1h-imidazol-1-yl)phenyl)ethan-1-one (CAS 1339485-56-1)
- 3-Bromo-5-methyl-2,3-dihydropyrrolo[2,1-b]quinazolin-9(1H)-one (CAS 1375471-61-6)
- 2,2-Dimethyl-1-oxaspiro[5.5]undecan-9-one (CAS 2375651-33-3)
- 1-(1,2,3,4-Tetrahydro-1-naphthalenyl)cyclopropanamine (CAS 1343137-16-5)
- 2-Bromo-5-phenyl-5H-benzo[b]carbazole (CAS 1268271-78-8)
- 2-(3-Methyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-4-yl)acetonitrile (CAS 2114114-65-5)
- (3-Allylphenyl)(isobutyl)sulfane (CAS 1379361-57-5)
- 2-(Cyclohexanecarbonyl)benzonitrile (CAS 898792-08-0)
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- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
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