2-Bromo-1-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one CAS 939744-43-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 939744-43-1 |
| Molecular Formula | C10H8BrClO3 |
| Molecular Weight | 291.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-1-(7-chloro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)ethan-1-one (CAS 939744-43-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8BrClO3. Molecular weight: 291.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H8BrClO3 |
| Molecular Weight | 291.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 6-Bromo-8-chloro-3,3-dimethyl-2,3-dihydroimidazo[1,5-a]pyridine-1,5-dione (CAS 1849592-09-1)
- (E)-3-(5-bromo-3-chloro-2-methoxyphenyl)acrylic acid (CAS 518023-87-5)
- 1-(7-Bromo-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-chloroethan-1-one (CAS 939741-11-4)
- 1-(8-Bromo-4-chloro-7-methylpyrazolo[1,5-a][1,3,5]triazin-2-yl)ethan-1-ol (CAS 2387596-11-2)
- 3-Bromo-4-(4-chlorophenyl)-4-oxobutanoic acid (CAS 35158-39-5)
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Recommended Standards
- 1-(2,4-Dichloro-5-fluorophenyl)ethane-1-sulfonyl chloride (CAS 1247732-84-8)
- 1-(4-Bromophenyl)-3-(2-chloroacetyl)urea (CAS 13558-79-7)
- 1-(2,6-Dichloro-3-fluorophenyl)ethane-1-sulfonyl chloride (CAS 1249154-31-1)
- 4-(2-(1H-Pyrazol-1-yl)ethyl)morpholine (CAS 1111096-05-9)
- 1-Cyanocyclopentane-1-carboxylic acid (CAS 540490-54-8)
- 2-((4,5-Dimethyl-4h-1,2,4-triazol-3-yl)thio)-N-(prop-2-yn-1-yl)acetamide (CAS 923215-52-5)
- 2-Oxo-4-(trifluoromethyl)-2,5,6,7-tetrahydro-1H-cyclopenta[b]pyridine-3-carbonitrile (CAS 371967-27-0)
- Methyl 5-(4-bromobenzoyl)furan-2-carboxylate (CAS 1399662-40-8)
- 1-Acetyl-4-methylpiperidine-4-carboxylic acid (CAS 225240-67-5)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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