7-Bromo-4,4-difluorochroman CAS 1783557-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1783557-72-1 |
| Molecular Formula | C9H7BrF2O |
| Molecular Weight | 249.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Bromo-4,4-difluorochroman (CAS 1783557-72-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H7BrF2O. Molecular weight: 249.05 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H7BrF2O |
| Molecular Weight | 249.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
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- 1-bromo-1,1-difluoro-3-phenylpropan-2-one (CAS 1432681-83-8)
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Recommended Standards
- 6-Iodo-N,N-dimethylpyrimidin-4-amine (CAS 1704064-36-7)
- 4-Iodo-3-methoxy-5-methylpyridine (CAS 1803880-41-2)
- 5-Iodo-1,3-dimethylpyridin-2(1H)-one (CAS 1627933-29-2)
- 4-((6-Chloro-3-(trifluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)oxy)-3,5-difluoroaniline (CAS 892414-55-0)
- 1-[(S)-N-tert-Boc-N-methyltyrosyl]-4-phenylpiperazine (CAS 1391068-29-3)
- methyl 4-bromo-3-(chlorosulfonyl)-5-fluorobenzoate (CAS 1249508-42-6)
- rel-6-(2-((4aR,8aR)-4a-Hydroxyoctahydroisoquinolin-2(1H)-yl)-2-oxoethyl)-2,5,9-trimethyl-3-phenyl-7H-furo[3,2-g]chromen-7-one (CAS 1212297-64-7)
- 3-(2-chloropyrimidin-4-yl)pyrazin-2-amine (CAS 2102412-80-4)
- Ethyl 3-Hydroxycyclohexanecarboxylate 94160-25-5 MFCD00205586 SY110653 (CAS 94160-25-5)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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