2',7'-Dibromospiro[fluorene-9,9'-xanthene] CAS 1346002-88-7
| CAS No. | 1346002-88-7 |
| Molecular Formula | C25H14Br2O |
| Molecular Weight | 490.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2',7'-Dibromospiro[fluorene-9,9'-xanthene] (CAS 1346002-88-7), a certified reference material (molecular formula C25H14Br2O, MW 490.19 g/mol) for analytical method development and quality control.
Structurally, 2',7'-Dibromospiro[fluorene-9,9'-xanthene] (C25H14Br2O) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 490.19 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 2',7'-Dibromospiro[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 | C25H14Br2O |
| Molecular Weight | 490.19 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, 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.) | 1991 |
| Halogen Content | Br-containing |
Related Dibromospiro Standards
- 2,7-Dibromospiro[9H-fluorene-9,9'-[9H]xanthene] (CAS 198142-65-3)
- 1’-Boc-2,7-dibromospiro[fluorene-9,4’-piperidine] (CAS 1616113-98-4)
- 2',7'-Dibromospiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] (CAS 198142-63-1)
- 5,9-Dibromospiro[benzo[c]fluorene-7,9'-fluorene] (CAS 1242570-65-5)
- 2',7'-Dibromospiro[adamantane-2,9'-fluorene] (CAS 727730-32-7)
- 1’-Acetyl-2,7-dibromospiro[fluorene-9,4’-piperidine] (CAS 1616114-00-1)
- 2,7-Dibromospiro[fluorene-9,8'-indolo[3,2,1-de]acridine] (CAS 902525-12-6)
- 2,7-Dibromospiro[fluorene-9,2'-[1,3]dithiolane] (CAS 113425-39-1)
Recommended Standards
- Terbutaline Impurity 19 (CAS CATO-C4X-118319)
- Resmetirom impurity 120 (CAS CATO-C4X-2912120)
- 3,3'-Dibromo-9,9'-bicarbazole (CAS 2237969-71-8)
- Resmetirom impurity 110 (CAS CATO-C4X-2912110)
- 10-oxa-4-azatricyclo[5.2.1.0^{2,6}]dec-8-ene hydrochloride (CAS 1864058-33-2)
- 6-Chloro-3-methylpyridin-2-ol (CAS 1261576-82-2)
- 4-(4-Methyl-4-piperidinyl)pyridine (CAS 1342973-21-0)
- N-(4-chloro-3-(trifluoromethyl)phenyl)-1-phenylcyclopentane-1-carboxamide (CAS 1022791-84-9)
- 1,2-Bis(carboxymethylthio)ethane (CAS 7244-02-2)
- 5-Amino-2-chloro-4-hydroxybenzoic acid (CAS 1783628-13-6)
- Dimethyl 2-Methyl-3-oxosuccinate (CAS 63921-06-2)
- Ethyl 3,5-dibromo-2-(difluoromethoxy)phenylacetate (CAS 1805120-89-1)
- 6-Chloro-3-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1211590-25-8)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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