1,2,4,7,9-Pentachlorodibenzo[b,d]furan CAS 71998-74-8
| CAS No. | 71998-74-8 |
| Molecular Formula | C12H3Cl5O |
| Molecular Weight | 340.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1,2,4,7,9-Pentachlorodibenzo[b,d]furan 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.
CATO supplies 1,2,4,7,9-Pentachlorodibenzo[b,d]furan (CAS 71998-74-8), a certified reference material (molecular formula C12H3Cl5O, MW 340.42 g/mol) for analytical method development and quality control.
Structurally, 1,2,4,7,9-Pentachlorodibenzo[b,d]furan (C12H3Cl5O) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 340.42 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 1,2,4,7,9-Pentachlorodibenzo[b,d]furan 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.) | 1977 |
| Halogen Content | Cl-containing |
Related Pentachlorodibenzo Standards
- 1,2,3,7,8-pentachlorodibenzo[b,d]furan (CAS 57117-41-6)
- 1,2,4,6,7-Pentachlorodibenzo[b,d]furan (CAS 83704-50-1)
- 1,2,4,8,9-Pentachlorodibenzo[b,d]furan (CAS 70648-23-6)
- 2,3,4,6,7-Pentachlorodibenzo[b,d]furan (CAS 57117-43-8)
- 1,2,3,4,7-Pentachlorodibenzo-p-dioxin (CAS 39227-61-7)
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- 1,2,3,8,9-Pentachlorodibenzo-p-dioxin (CAS 71925-18-3)
- 1,2,4,7,8-Pentachlorodibenzo-p-dioxin (CAS 58802-08-7)
Recommended Standards
- 1,2,4,7,8-Pentachlorodibenzofuran (CAS 58802-15-6)
- 1,2,4,6,8-Pentachlorodibenzofuran (CAS 69698-57-3)
- 1,3,4,6,7-Pentachlorodibenzofuran (CAS 83704-36-3)
- 1,3,4,7,8-Pentachlorodibenzofuran (CAS 58802-16-7)
- rac-trans-1-Deshydroxy Rasagiline (CAS 1429220-16-5)
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- 1-(2-bromophenyl)-7-oxabicyclo[4.1.0]heptane (CAS 1909318-61-1)
- 1017781-39-3 A800451 sodium 2-hydroxy-6-methoxy-3,4-dihydro-1H-naphthalene-2-sulfonate sodium 6-methoxy-2-oxidanyl-3,4-dihydro-1H-naphthalene-2-sulfonate (CAS 1017781-39-3)
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