Benzo[1,2-b:4,5-b′]difuran-4,8-dione CAS 267220-47-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 267220-47-3 |
| Molecular Formula | C10H4O4 |
| Molecular Weight | 188.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzo[1,2-b:4,5-b′]difuran-4,8-dione (CAS 267220-47-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H4O4. Molecular weight: 188.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H4O4 |
| Molecular Weight | 188.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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Recommended Standards
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- 7-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole (CAS 2409579-99-1)
- Methyl 3-hydroxy-2-(1-oxo-1,3-dihydro-2H-isoindol-2-yl)butanoate (CAS 1858240-41-1)
- (5-Amino-1H-indazol-3-yl)methanol (CAS 908247-75-6)
- 3-Methyl-4-(trifluoromethyl)-1H-indazole hydrochloride (CAS 2251053-71-9)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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