4-Bromo-5-tert-butyl-1,2-oxazol-3-amine CAS 55809-52-4
| CAS No. | 55809-52-4 |
| Molecular Formula | C7H11BrN2O |
| Molecular Weight | 219.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a hydroxyl group, an ether linkage, bromine substitution, 4-Bromo-5-tert-butyl-1,2-oxazol-3-amine is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 219.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-Bromo-5-tert-butyl-1,2-oxazol-3-amine (CAS 55809-52-4) is a high-purity analytical reference standard with the molecular formula C7H11BrN2O and a molecular weight of 219.08 g/mol.
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.
CATO manufactures 4-Bromo-5-tert-butyl-1,2-oxazol-3-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H11BrN2O |
| Molecular Weight | 219.08 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.) | 1972 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-bromo-2,3-dihydro-1-benzofuran-3-one (CAS 1020966-78-2)
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Recommended Standards
- 4-Bromo-5-(tert-butyl)-1H-pyrazol-3-ol (CAS 873837-19-5)
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- 4-Bromo-3-(2-methoxyethyl)-1-methyl-1H-pyrazole (CAS 2306265-15-4)
- 6-Bromo-7-methyl-1,4-dioxaspiro[4.4]non-6-ene (CAS 70156-97-7)
- tert-Butyl (5-bromo-4-cyano-3-iodopyridin-2-yl)carbamate (CAS 2768872-53-1)
- (S,E)-4-hydroxy-3-(2-((2aS,4aS,5R,8aS,8bR)-2a-hydroxy-8b-(hydroxymethyl)-2,2,4a-trimethyl-6-methylenedodecahydrocyclobuta[a]naphthalen-5-yl)ethylidene)dihydrofuran-2(3H)-one (CAS 372939-35-0)
- 2-Chloro-5-hydroxybenzaldehyde (CAS 7310-94-3)
- N-(4-morpholino-3-nitrophenyl)acetamide (CAS 5367-48-6)
- 2-Methyl-3-vinylpyrazine (CAS 25058-19-9)
- tert-Butyl 3-methyl-6-(((trifluoromethyl)sulfonyl)oxy)-3,4-dihydropyridine-1(2H)-carboxylate (CAS 2760487-52-1)
- 2-(3-Bromopropoxy)-2,3-dihydro-1h-isoindole-1,3-dione (CAS 5181-36-2)
- 1-(4-Methyl-6-(trifluoromethyl)pyridin-2-yl)ethan-1-one (CAS 615579-97-0)
- 1-((4-Ethyl-4H-1,2,4-triazol-3-yl)methyl)pyrrolidine-3-carboxylic acid (CAS 1710845-60-5)
- Human glucagon CRS (CAS 9007-92-5)
Why CATO?
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