| CAS No. | 1554086-90-6 |
| Molecular Formula | C5H9BrN2O |
| Molecular Weight | 193.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 193.04 g/mol gives 7-bromo-2,3-dihydropyrazolo[5,1-b]oxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-bromo-2,3-dihydropyrazolo[5,1-b]oxazole (CAS 1554086-90-6), molecular formula C5H9BrN2O and molecular weight 193.04 g/mol, is a CATO reference standard with documented purity and traceability.
7-bromo-2,3-dihydropyrazolo[5,1-b]oxazole (C5H9BrN2O) 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.
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 7-bromo-2,3-dihydropyrazolo[5,1-b]oxazole 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.
| Molecular Formula | C5H9BrN2O |
| Molecular Weight | 193.04 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |