N2,N7-Bis(4-chlorophenyl)-9-oxo-9H-fluorene-2,7-disulfonamide CAS 303059-41-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303059-41-8 |
| Molecular Formula | C25H16Cl2N2O5S2 |
| Molecular Weight | 559.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N2,N7-Bis(4-chlorophenyl)-9-oxo-9H-fluorene-2,7-disulfonamide (CAS 303059-41-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H16Cl2N2O5S2. Molecular weight: 559.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H16Cl2N2O5S2 |
| Molecular Weight | 559.44 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Recommended Standards
- 4-Methylumbelliferyl 3-4-6-tri-O-acetyl-2-deoxy-2-trifluoroacetamido-β-D-glucopyranoside (CAS 137686-93-2)
- Bosutinib Impurity 35 (CAS CATO-C4X-184735)
- 4-Methylumbelliferyl 3-4-6-tri-O-acetyl-2-deoxy-2-trifluoroacetamido-α-D-glucopyranoside (CAS 137686-92-1)
- N-(4-Bromo-2-methylphenyl)-2-((4-(4-chlorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 476484-45-4)
- 2,3-Difluoro-4'-methylsulfanylbiphenyl (CAS 157248-20-9)
- Oxaliplatin Impurity 11 (CAS 61848-66-6)
- 3-(3-Methoxyphenyl)tetrahydro-3-furancarbonitrile (CAS 1353500-72-7)
- 1-(1-(Tert-butyl)-1h-pyrazol-4-yl)-N-methylmethanamine (CAS 1158063-57-0)
- 6-Fluoro-3,3,4,4-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-03-4)
- Steroidogenesis-Activator Polypeptide (rat) (H-8855.0500) (CAS 108563-23-1)
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