1,2,3,9-Tetrachlorodibenzofuran CAS 83704-23-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83704-23-8 |
| Molecular Formula | C12H4Cl4O |
| Molecular Weight | 305.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3,9-Tetrachlorodibenzofuran (CAS 83704-23-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H4Cl4O. Molecular weight: 305.97 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H4Cl4O |
| Molecular Weight | 305.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl-containing |
Related Tetrachlorodibenzofuran Standards
- 1,3,6,9-Tetrachlorodibenzofuran (CAS 83690-98-6)
- 1,2,3,4-Tetrachlorodibenzofuran (CAS 24478-72-6)
- 1,2,3,8-Tetrachlorodibenzofuran (CAS 62615-08-1)
- 1,2,4,6-Tetrachlorodibenzofuran (CAS 71998-73-7)
- 1,2,4,7-Tetrachlorodibenzofuran (CAS 83719-40-8)
- 1,2,4,8-Tetrachlorodibenzofuran (CAS 64126-87-0)
- 1,2,6,7-Tetrachlorodibenzofuran (CAS 83704-25-0)
- 1,2,7,9-Tetrachlorodibenzofuran (CAS 83704-26-1)
Recommended Standards
- 1,2,3,7-Tetrachlorodibenzo[b,d]furan (CAS 83704-22-7)
- 1,2,3,6-Tetrachlorodibenzo[b,d]furan (CAS 83704-21-6)
- 5-Bromo-4,6-dichloro-2-(methylsulfonyl)pyrimidine (CAS 98028-01-4)
- Methyl 2-bromo-4-methyl-5-nitrobenzoate (CAS 1202858-67-0)
- 2-{[7-(methoxycarbonyl)-4-oxo-3,4-dihydroquinazolin-2-yl]methyl}benzoic acid (CAS 327091-28-1)
- (4-Ethoxyphenyl)(piperidin-4-yl)methanone (CAS 933216-88-7)
- 2-Chloro-4-(trifluoromethyl)benzo[d]thiazole (CAS 898748-15-7)
- 1-((4-(tert-Butyl)phenoxy)methyl)-1H-pyrazole-4-carbonitrile (CAS 1263212-75-4)
- Fluvastatin Impurity 15 Sodium Salt (CAS CATO-C4X-165115)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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