5-(Tetrachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene CAS 34571-15-8
| CAS No. | 34571-15-8 |
| Molecular Formula | C13H4Cl10 |
| Molecular Weight | 514.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(Tetrachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene.
5-(Tetrachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene (CAS 34571-15-8), molecular formula C13H4Cl10 and molecular weight 514.70 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to chlorine substitution, an aromatic ring system, 5-(Tetrachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 514.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 5-(Tetrachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H4Cl10 |
| Molecular Weight | 514.70 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
Related Tetrachlorophenyl Standards
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