2,4,6,8-Tetramethyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-1(4),1(6),3(4),3(6),5(4),5(6),7(4),7(6)-octaol CAS 65338-98-9
| CAS No. | 65338-98-9 |
| Molecular Formula | C32H32O8 |
| Molecular Weight | 544.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2,4,6,8-Tetramethyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-1(4),1(6),3(4),3(6),5(4),5(6),7(4),7(6)-octaol 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.
CATO supplies 2,4,6,8-Tetramethyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-1(4),1(6),3(4),3(6),5(4),5(6),7(4),7(6)-octaol (CAS 65338-98-9), a certified reference material (molecular formula C32H32O8, MW 544.59 g/mol) for analytical method development and quality control.
Structurally, 2,4,6,8-Tetramethyl-1,3,5,7(1,3)-tetrabenzenacyclooctaphan-1(4),1(6),3(4),3(6),5(4),5(6),7(4),7(6)-octaol (C32H32O8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 544.59 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C32H32O8 |
| Molecular Weight | 544.59 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
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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
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com