Fluorescein-PEG6-NHS ester CAS 1818294-35-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1818294-35-7 |
| Molecular Formula | C40H45N3O15S |
| Molecular Weight | 839.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Fluorescein-PEG6-NHS ester (CAS 1818294-35-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C40H45N3O15S. Molecular weight: 839.86 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C40H45N3O15S |
| Molecular Weight | 839.86 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.) | 1995 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Fluorescein Standards
- Fluorescein Biotin (Technical Grade) (CAS 134759-22-1)
- Fluorescein mercuric acetate (CAS 3570-80-7)
- FMA-Fluorescein Mercuric Acetate (CAS 32382-27-7)
- Fluorescein-6-carbonyl-Tyr-Val-Ala-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-69-0)
- Fluorescein-PEG5-NHS ester (CAS 2353409-62-6)
- Fluorescein-6-carbonyl-Asp(OMe)-Glu(OMe)-Val-DL-Asp(OMe)-fluoromethylketone (CAS 1926163-65-6)
- Fluorescein-6-carbonyl-Leu-Glu(OMe)-His-DL-Asp(OMe)-fluoromethylketone (N-1910.0500) (CAS 1926163-67-8)
- Fluorescein-6-carbonyl-Val-Asp(OMe)-Val-Ala-DL-Asp(OMe)-fluoromethylketone (N-1950.1000) (CAS 1926163-70-3)
Recommended Standards
- N-[(11bR)-2,6-Di-9-anthracenyl-8,9,10,11,12,13,14,15-octahydro-8-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide (CAS 1227374-65-3)
- 3'-DMTr-dG(iBu) (CAS 140839-24-3)
- N-[(11bS)-2,6-Di-9-anthracenyl-8,9,10,11,12,13,14,15-octahydro-8-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide (CAS 1227374-64-2)
- (9H-fluoren-9-yl)methyl (R)-(1-hydroxy-5-methylhexan-3-yl)carbamate (CAS 1353293-63-6)
- Tert-butyl (2S,6R)-4-(chlorosulfonyl)-2,6-dimethylpiperidine-1-carboxylate (CAS 2091264-03-6)
- LaSOM 63, 98% (CAS 19492-61-6)
- [4-(Aminomethyl)benzyl]dimethylaminedihydrochloride (CAS 34490-85-2)
- (((2R,3R,4S,5R,6S)-3,5-Bis(benzyloxy)-2-((benzyloxy)methyl)-6-(p-tolylthio)tetrahydro-2h-pyran-4-yl)oxy)(tert-butyl)dimethylsilane (CAS 1363157-70-3)
- 2-((2-Methylbenzyl)thio)-5-(pyridin-4-yl)-1,3,4-oxadiazole (CAS 477857-03-7)
- Osteoblast-Adhesive Peptide (CAS 193613-75-1)
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