2,7,10,15-Tetrabromodibenzo[g,p]chrysene CAS 2135768-85-1
| CAS No. | 2135768-85-1 |
| Molecular Formula | C26H12Br4 |
| Molecular Weight | 643.99 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 2,7,10,15-Tetrabromodibenzo[g,p]chrysene.
CATO supplies 2,7,10,15-Tetrabromodibenzo[g,p]chrysene (CAS 2135768-85-1), a certified reference material (molecular formula C26H12Br4, MW 643.99 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H12Br4, 2,7,10,15-Tetrabromodibenzo[g,p]chrysene contains bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 643.99 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H12Br4 |
| Molecular Weight | 643.99 g/mol |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
Related Tetrabromodibenzo Standards
- 3,6,11,14-Tetrabromodibenzo[g,p]chrysene (CAS 2127391-91-5)
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- 1,2,3,4-Tetrabromodibenzo-p-dioxin (CAS 104549-41-9)
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Recommended Standards
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- 7,9,9-Trimethyl-1,4-dioxaspiro[4.5]dec-6-en-8-one (CAS 14203-64-6)
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- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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