4,4'-(((9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(azanediyl))bis(4-oxobutanoic acid) CAS 457922-91-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 457922-91-7 |
| Molecular Formula | C33H28N2O6 |
| Molecular Weight | 548.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(((9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(azanediyl))bis(4-oxobutanoic acid) (CAS 457922-91-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C33H28N2O6. Molecular weight: 548.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C33H28N2O6 |
| Molecular Weight | 548.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related H Standards
- 2,2'-((((((9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(methylene))bis(oxirane) (CAS 259881-39-5)
- 2,2'-(((9H-fluorene-9,9-diyl)bis(naphthalene-6,2-diyl))bis(oxy))bis(ethan-1-ol) (CAS 334008-97-8)
- 2,2'-((((9H-fluorene-9,9-diyl)bis(naphthalene-6,2-diyl))bis(oxy))bis(methylene))bis(oxirane) (CAS 1238475-45-0)
- 4,4'-(((9H-Fluorene-9,9-diyl)bis(4,1-phenylene))bis(oxy))dianiline (CAS 47823-88-1)
- 2,2'-((9H-Fluorene-2,7-disulfonyl)bis(azanediyl))bis(3-methylbutanoic acid) (CAS 307941-68-0)
- 5,5'-(9H-Fluorene-2,7-diyl)diisophthalic acid (CAS 1424351-59-6)
- 2,2'-((((9H-fluorene-9,9-diyl)bis(2-methyl-4,1-phenylene))bis(oxy))bis(methylene))bis(oxirane) (CAS 114205-89-9)
- [[(9H-Fluorene-9,9-diyl)bis(4,1-phenylene)]bis(oxy)]bis(2-hydroxypropane-3,1-diyl) Diacrylate (CAS 143182-97-2)
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