2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin CAS 76523-40-5
| CAS No. | 76523-40-5 |
| Molecular Formula | [13C]12H4Cl4O2 |
| Molecular Weight | 333.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin 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.
2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin (CAS 76523-40-5), molecular formula [13C]12H4Cl4O2 and molecular weight 333.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula [13C]12H4Cl4O2, 2,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin contains chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 333.88 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | [13C]12H4Cl4O2 |
| Molecular Weight | 333.88 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
Related Tetrachloro Standards
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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 18665070610 / Nicole.chen@cato-chem.com