3,3',6,6'-Tetraethynyl-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] CAS 1801236-38-3
| CAS No. | 1801236-38-3 |
| Molecular Formula | C37H24O4 |
| Molecular Weight | 532.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,3',6,6'-Tetraethynyl-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] 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.
CATO supplies 3,3',6,6'-Tetraethynyl-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] (CAS 1801236-38-3), a certified reference material (molecular formula C37H24O4, MW 532.58 g/mol) for analytical method development and quality control.
Structurally, 3,3',6,6'-Tetraethynyl-2,2',7,7'-tetramethoxy-9,9'-spirobi[fluorene] (C37H24O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 26.0, corresponding to approximately 26 ring(s) or double-bond equivalent(s). With a molecular weight of 532.58 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).
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 | C37H24O4 |
| Molecular Weight | 532.58 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) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
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