5-Carboxyfluorescein Diacetate CAS 79955-27-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 79955-27-4 |
| Molecular Formula | 2*C25H16O9 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Carboxyfluorescein Diacetate (CAS 79955-27-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: 2*C25H16O9. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | 2*C25H16O9 |
| Molecular Weight | 460.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1979 |
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Recommended Standards
- 2,4-Dimethoxy-6-methyl-1,3,5-triazine (CAS 4000-78-6)
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- 4-(4-Chlorophenyl)-2-methyl-2,4,5,6-tetrahydropyrrolo[2,3-c]pyrazol-3-ol (CAS 1710195-21-3)
- 5-Allyl-2-chloro-3-fluoroisonicotinaldehyde (CAS 1236769-86-0)
- 3-Ethyl 7-methyl 4-(dimethylamino)quinoline-3,7-dicarboxylate (CAS 1171523-92-4)
- 1-(3-Bromo-5-(trifluoromethyl)phenyl)-4-methylpiperidine (CAS 1704068-87-0)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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