Fluorescein-PEG3-amine CAS 1807539-04-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1807539-04-3 |
| Molecular Formula | C29H31N3O8S |
| Molecular Weight | 581.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fluorescein-PEG3-amine (CAS 1807539-04-3) pharmaceutical standards reference standard. Molecular formula: C29H31N3O8S. Molecular weight: 581.64 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C29H31N3O8S |
| Molecular Weight | 581.64 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Fluorescein Standards
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- Fluorescein-5-EX, succinimidyl ester, 90% (CAS 123761-26-2)
- Fluorescein-thiourea-PEG2-azide (CAS 1146195-72-3)
- Fluorescein impurity 14 (CAS CATO-C4X-290014)
- Fluorescein-thiourea-PEG4-azide (CAS 1454662-54-4)
- Fluorescein-PEG4-acid (CAS 1807518-76-8)
- Fluorescein Glucuronide (CAS 74804-84-5)
Recommended Standards
- Topiramate Impurity 3 (CAS CATO-C4X-17683)
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- Silodosin Impurity N99 (CAS 885340-11-4)
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- 2-((4-Ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 577997-33-2)
- 3-(Aminomethylene)pentane-2,4-dione, 95% (CAS 71591-87-2)
- (2R)-4-Hydroxypyrrolidine-2-carboxylic acid (CAS 913000-57-4)
- Ethyl 2-(6-chloro-4-oxo-1,4-dihydropyrimidin-2-yl)acetate (CAS 1384070-82-9)
- 1-(1-Methyl-1H-pyrazol-4-yl)pyrrolidine-3-carbaldehyde (CAS 1707735-24-7)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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