1,1',3,3'-Tetraiodo-4H,4'H,6H,6'H-5,5'-spirobi[silolo[3,4-c]thiophene] CAS 138452-52-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138452-52-5 |
| Molecular Formula | C12H8I4S2Si |
| Molecular Weight | 752.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1,1',3,3'-Tetraiodo-4H,4'H,6H,6'H-5,5'-spirobi[silolo[3,4-c]thiophene] (CAS 138452-52-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H8I4S2Si. Molecular weight: 752.03 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H8I4S2Si |
| Molecular Weight | 752.03 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | I-containing |
| Sulfur Atoms | 2 |
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- 2,4,5,7-Tetraiodo-3-oxo-9-(2,3,4,5-tetrachlorophenyl)-3H-xanthen-6-yl acetate (CAS 133433-82-6)
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