4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol CAS 835878-20-1
| CAS No. | 835878-20-1 |
| Molecular Formula | C40H26O4 |
| Molecular Weight | 570.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol 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.
4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol (CAS 835878-20-1) is a high-purity analytical reference standard with the molecular formula C40H26O4 and a molecular weight of 570.63 g/mol.
Structurally, 4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetraphenol (C40H26O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 28.0, corresponding to approximately 28 ring(s) or double-bond equivalent(s). With a molecular weight of 570.63 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C40H26O4 |
| Molecular Weight | 570.63 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) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Pyrene Standards
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Recommended Standards
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