Fluorescein-PEG4-acid CAS 1807518-76-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1807518-76-8 |
| Molecular Formula | C32H34N2O11S |
| Molecular Weight | 654.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Fluorescein-PEG4-acid (CAS 1807518-76-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C32H34N2O11S. Molecular weight: 654.68 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C32H34N2O11S |
| Molecular Weight | 654.68 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorescein Standards
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Recommended Standards
- Baloxavir Marboxil Impurity 242 (CAS CATO-C4X-2108242)
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- Vortioxetine Impurity 118 (CAS 94041-16-4)
- Ethyl 5,5,7,7-tetramethyl-2-(2-(methyl(1-methylpiperidin-4-yl)amino)acetamido)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (CAS 744204-47-5)
- 3-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1,4-diazepan-1-yl)propanoic acid (CAS 1227954-72-4)
- tert-Butyl 4-(2-hydroxyethylidene)piperidine-1-carboxylate (CAS 198892-80-7)
- 5-Bromo-7-fluoro-1,1-dimethyl-1H-inden-4-amine (CAS 1935388-77-4)
- 3-(Methoxymethoxy)pyridine (CAS 81245-25-2)
- Diethylenetriaminepentaacetic acid α, ω-bis(biocytinamide) (CAS 118896-98-3)
- Biotinyl-S6 Phosphate Acceptor Peptide trifluoroacetate salt (CAS 1815618-12-2)
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