Fluorescein-PEG5-NHS ester CAS 2353409-62-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2353409-62-6 |
| Molecular Formula | C38H41N3O14S |
| Molecular Weight | 795.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fluorescein-PEG5-NHS ester (CAS 2353409-62-6) pharmaceutical standards reference standard. Molecular formula: C38H41N3O14S. Molecular weight: 795.81 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C38H41N3O14S |
| Molecular Weight | 795.81 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Fluorescein Standards
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- Fluorescein-thiourea-PEG6-acid (CAS 2055014-69-0)
- Fluorescein mercuric acetate (CAS 3570-80-7)
- FMA-Fluorescein Mercuric Acetate (CAS 32382-27-7)
- Fluorescein Dimer Impurity 3 (isomeric mixture) (CAS CATO-C4X-290011)
- Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-69-0)
- Fluorescein-6-carbonyl-Asp(OMe)-Glu(OMe)-Val-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-65-6)
Recommended Standards
- Cefixime Impurity 84 (CAS CATO-C4X-113984)
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- Avanafil Impurity 145 (CAS CATO-C4X-1118145)
- 3-Acetyl-1,5-dimethylpyridin-2(1H)-one (CAS 2169091-61-4)
- (1S,4S)-2-Ethyl-2,5-diaza-bicyclo[2.2.1]heptane (CAS 1127236-01-4)
- 2-chloro-2'-(4-methylpiperazinomethyl) benzophenone (CAS 898762-30-6)
- 2-(2-Chloro-6-(difluoromethyl)-3-hydroxypyridin-4-yl)acetic acid (CAS 1805263-64-2)
- N-((5-(Thiophen-3-yl)pyridin-3-yl)methyl)furan-2-carboxamide (CAS 1795190-56-5)
- N,N-Dimethyl-4-[(4-methylphenyl)sulfanyl]-6-(trifluoromethyl)pyrimidin-2-amine (CAS 338792-53-3)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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