trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate CAS 57405-00-2
| CAS No. | 57405-00-2 |
| Molecular Formula | C34H24O4 |
| Molecular Weight | 496.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 496.55 g/mol gives trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate (CAS 57405-00-2) is a high-purity analytical reference standard with the molecular formula C34H24O4 and a molecular weight of 496.55 g/mol.
Based on its molecular formula C34H24O4, trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 496.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
As a certified reference material (CRM), trans-7,8,9,10-Tetrahydro-benzo[a]pyrene-7,8-diol Dibenzoate 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 | C34H24O4 |
| Molecular Weight | 496.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
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