9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] CAS 2192306-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2192306-77-5 |
| Molecular Formula | C29H17BrO |
| Molecular Weight | 461.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] (CAS 2192306-77-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H17BrO. Molecular weight: 461.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H17BrO |
| Molecular Weight | 461.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
Related Bromospiro Standards
- 5-Bromospiro[benzo[c]fluorene-7,9'-fluorene] (CAS 1175203-78-7)
- 2'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1477458-14-2)
- 4'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1609484-29-8)
- 4-Bromospiro[fluorene-9,9’-xanthene] (CAS 1609484-45-8)
- 3'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1621397-55-4)
- 2-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] (CAS 899422-06-1)
- Benzyl 5-bromospiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 1375076-92-8)
- 1’-Boc-6-bromospiro[chroman-2,4’-piperidin]-4-one (CAS 690632-38-3)
Recommended Standards
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- 4,6-Dibromo-3-hydroxypicolinonitrile (CAS 1859081-53-0)
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- Esmolol Impurity 44 (CAS CATO-C4X-189144)
- Ethyl 2-methylcyclopropane-1-carboxylate (CAS 20913-25-1)
- 1-Bromo-2-methyl-4-pentafluoroethoxybenzene (CAS 1965305-10-5)
- Methyl 3-hydroxy-7-azabicyclo[2.2.1]Heptane-1-carboxylate hydrochloride (CAS 2375194-20-8)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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