3-bromosprio[fluorene-9,9'-xanthene CAS 1609484-28-7
| CAS No. | 1609484-28-7 |
| Molecular Formula | C25H15BrO |
| Molecular Weight | 411.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
3-bromosprio[fluorene-9,9'-xanthene (CAS 1609484-28-7), molecular formula C25H15BrO and molecular weight 411.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C25H15BrO, 3-bromosprio[fluorene-9,9'-xanthene contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 411.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-bromosprio[fluorene-9,9'-xanthene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H15BrO |
| Molecular Weight | 411.29 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Recommended Standards
- 2'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1477458-14-2)
- 4'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1609484-29-8)
- 4-(3-Bromobenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-94-5)
- 4-Bromospiro[fluorene-9,9’-xanthene] (CAS 1609484-45-8)
- N-((2-Ethylbutanoyl)oxy)-2-(quinolin-8-yloxy)acetimidamide (CAS 88758-38-7)
- 3-Ethynyl-4-methoxybenzoic acid (CAS 1197358-11-4)
- (4-methyl-3-nitrophenyl)(pyridin-2-yl)methanol (CAS 1803589-16-3)
- 3-Bromo-4-nitrobenzyl bromide (CAS 142906-81-8)
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- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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 18665070610 / Nicole.chen@cato-chem.com