2,2',7,7'-Tetraiodo-9,9'-spirobi[fluorene] CAS 137181-59-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137181-59-0 |
| Molecular Formula | C25H12I4 |
| Molecular Weight | 819.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2',7,7'-Tetraiodo-9,9'-spirobi[fluorene] (CAS 137181-59-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H12I4. Molecular weight: 819.98 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H12I4 |
| Molecular Weight | 819.98 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | I-containing |
Related Tetraiodo Standards
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Recommended Standards
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- 1-Cyclopropanecarbonyl-2,3-dihydro-1h-indole (CAS 293324-65-9)
- Tert-butyl (4-amino-4-thioxobutan-2-yl)carbamate (CAS 159877-49-3)
- 4-(4-Fluorophenyl)piperidin-2-one (CAS 1891169-00-8)
- Ethyl 2-((ethoxycarbonyl)amino)-4-methyl-4H-pyrrolo[3,2-d]thiazole-5-carboxylate (CAS 72083-46-6)
- 6-Amino-3-ethyl-1,2,3,4-tetrahydro-β,2,4-trioxo-1-(phenylmethyl)-5-pyrimidinepropanenitrile (CAS 571149-75-2)
- Dulaglutide (CAS 923950-08-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com