3-Bromo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-4-ol CAS 2090221-76-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2090221-76-2 |
| Molecular Formula | C6H7BrN2O2 |
| Molecular Weight | 219.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-4-ol (CAS 2090221-76-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H7BrN2O2. Molecular weight: 219.04 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H7BrN2O2 |
| Molecular Weight | 219.04 g/mol |
| Appearance | Off-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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(4-Bromo-1h-pyrazol-1-yl)propanoic acid (CAS 925146-35-6)
- 4-(1,3,2-Dioxaborinan-2-yl)-N-methylbenzamide (CAS 957120-71-7)
- 2-Bromo-N-(isoxazol-3-yl)-N-methylacetamide (CAS 92947-24-5)
- 1-(Bicyclo[3.2.2]Nonan-1-yl)ethan-1-one (CAS 80606-51-5)
- Nerol (CAS 106-25-2)
- (S)-N-Boc-3-aminotetrahydrofuran-2-one (CAS 40856-59-5)
- tert-Butyl 2-chloro-5H,6H,7H,8H-pyrido[3,4-d]pyrimidine-7-carboxylate (CAS 1196156-15-6)
- 3-Formylpyrazolo[1,5-a]pyridine-5-carboxylic acid (CAS 1101120-11-9)
- 5-Chloro-3-nitro-1H-1,2,4-triazole (CAS 70890-47-0)
- Lixisenatide (CAS 320367-13-3（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com