2,7-Diiodo-9H-fluorene CAS 16218-28-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16218-28-3 |
| Molecular Formula | C13H8I2 |
| Molecular Weight | 418.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,7-Diiodo-9H-fluorene (CAS 16218-28-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8I2. Molecular weight: 418.01 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8I2 |
| Molecular Weight | 418.01 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | I-containing |
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Recommended Standards
- 2-Fluoro-3,4-diiodo-6-(pyrrolidin-1-yl)pyridine (CAS 1228665-88-0)
- Ledipasvir Impurity 59 (CAS CATO-C4X-331359)
- Bisoprolol Impurity 123 (CAS CATO-C4X-1247123)
- Chromane-3,8-diol (CAS 81486-17-1)
- 1-(3-azetidinyl)-3,3-difluoro-Pyrrolidine 2,2,2-trifluoroacetate (1:2) (CAS 1706462-59-0)
- Lifitegrast Impurity 128 (CAS CATO-C4X-2409128)
- Avatrombopag Impurity 73 (CAS CATO-C4X-223473)
- (3-Bromo-2,5-dimethylphenyl)boronic acid (CAS 1259318-83-6)
- Formamide-1-d1 (CAS 35692-88-7)
- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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