4-Bromo-3,5-dimethylisoxazole CAS 10558-25-5
| CAS No. | 10558-25-5 |
| Molecular Formula | C5H6BrNO |
| Molecular Weight | 176.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-Bromo-3,5-dimethylisoxazole (CAS 10558-25-5), a certified reference material (molecular formula C5H6BrNO, MW 176.01 g/mol) for analytical method development and quality control.
4-Bromo-3,5-dimethylisoxazole (C5H6BrNO) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-Bromo-3,5-dimethylisoxazole 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 | C5H6BrNO |
| Molecular Weight | 176.01 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1960 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 5-Bromo-1,4-dimethyl-1H-1,2,3-triazole (CAS 1040275-55-5)
- 1240612-08-1 2-Bromo-4,5-dimethyl-1,3-oxazole DTXSID50622352 (CAS 1240612-08-1)
- 4-Bromo-2-ethyl-2H-1,2,3-triazole (CAS 1248676-97-2)
- 3-Bromo-5,6-dihydropyridin-2(1H)-one (CAS 1258849-38-5)
- 5-Bromo-3-ethyl-isoxazole (CAS 1314961-74-4)
- 5-Bromo-2-ethyloxazole (CAS 1391740-26-3)
- 4-Bromo-1-ethyl-1H-1,2,3-triazole (CAS 1393532-87-0)
- 5-Bromo-1-ethyl-1H-1,2,3-triazole (CAS 1393560-22-9)
Recommended Standards
- 3-Amino-4-bromo-2-methylpyrazole (CAS 105675-85-2)
- Thiotepa Impurity 13 (CAS 1879073-27-4)
- 1-(2-Bromoethyl)-1,2,3-triazole (CAS 1083172-01-3)
- Sorafenib Impurity 46 (CAS 53750-66-6)
- α-Pyrrolidinovalerophenone HCl (α-PVP HCl) (CAS 5485-65-4)
- N-(5-(Phenylsulfonamido)-1,3,4-thiadiazol-2-yl)acetamide (CAS 89782-63-8)
- 1-(6-Bromo-4-chloro-2,3-difluorophenyl)ethan-1-one (CAS 2416368-69-7)
- 4051-66-5 167726JT6B 1,3-Dioctadecylurea N,N'-Dioctadecylurea UNII-167726JT6B (CAS 4051-66-5)
- Ethyl5,5-difluoro-2-oxo-cyclohexanecarboxylate (CAS 22515-17-9)
- 4,5-dichlorothiophene-3-carbonitrile (CAS 1510984-04-9)
- 1,6-Dimethyl-2-(methylthio)pyrimidin-4(1H)-one (CAS 54069-33-9)
- 8-O-4-Hydroxycinnamoylharpagide (CAS 133645-37-1)
- (S)-4-Chloro-2-(4-methoxybut-1-yn-1-yl)-3-methyl-1-(piperidin-3-yl)-1H-pyrrolo[2,3-b]pyridine-6-carboxamide (CAS 1681021-52-2)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
Why CATO?
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