2,3,4,8,9-Pentachlorodibenzofuran mixed congeners CAS 67517-48-0
| CAS No. | 67517-48-0 |
| Molecular Formula | C12H3Cl5O |
| Molecular Weight | 340.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,3,4,8,9-Pentachlorodibenzofuran mixed congeners is closely related to a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,3,4,8,9-Pentachlorodibenzofuran mixed congeners (CAS 67517-48-0) is a high-purity analytical reference standard with the molecular formula C12H3Cl5O and a molecular weight of 340.42 g/mol.
Based on its molecular formula C12H3Cl5O, 2,3,4,8,9-Pentachlorodibenzofuran mixed congeners contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 340.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3,4,8,9-Pentachlorodibenzofuran mixed congeners under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H3Cl5O |
| Molecular Weight | 340.42 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.) | 1976 |
| Halogen Content | Cl-containing |
Related Pentachlorodibenzofuran Standards
- 1,2,3,4,7-Pentachlorodibenzofuran (CAS 83704-48-7)
- 1,2,3,6,7-Pentachlorodibenzofuran (CAS 57117-42-7)
- 1,2,3,7,9-Pentachlorodibenzofuran (CAS 83704-53-4)
- 1,2,3,8,9-Pentachlorodibenzofuran (CAS 83704-54-5)
- 1,2,4,6,8-Pentachlorodibenzofuran (CAS 69698-57-3)
- 1,2,4,7,8-Pentachlorodibenzofuran (CAS 58802-15-6)
- 1,3,4,6,7-Pentachlorodibenzofuran (CAS 83704-36-3)
- 1,3,4,7,8-Pentachlorodibenzofuran (CAS 58802-16-7)
Recommended Standards
- 2,3,4,6,7-Pentachlorodibenzo[b,d]furan (CAS 57117-43-8)
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- 2-Benzyl-3-(2,4-dimethylphenoxy)quinoxaline (CAS 478046-96-7)
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- N-(tert-Butyl)-2-chloro-6-methylisonicotinamide (CAS 1112181-60-8)
- 2-(3-Fluorophenoxy)-N-(tert-pentyl)acetamide (CAS 1089543-21-4)
- 2,4'-Dimethylbiphenyl (CAS 611-61-0)
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- 1-Methyl-4-phenyl-1H-pyrazole-3-carboxylic acid (CAS 1087716-36-6)
- N-(4-Isopropylphenyl)-5-methoxy-1-methyl-4-oxo-1,4-dihydropyridine-2-carboxamide (CAS 1040659-33-3)
- 8-Fluoro-2,3-dihydroquinolin-4(1H)-one (CAS 38470-28-9)
- Gastric Inhibitory Polypeptide (6-30) amide (human) (CAS 1139691-72-7)
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