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Chemical structure of Fluorescein-PEG6-NHS ester

GC66849

Fluorescein-PEG6-NHS ester

Also known as (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-yl)carbamothioylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate

Fluorescein-PEG6-NHS ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs

ChemicalCAS1818294-35-7MW839.86FormulaC40H45N3O15S
CAS number
1818294-35-7
Molecular weight
839.86
Formula
C40H45N3O15S
InChIKey
JRSZEPYWIPLVEA-UHFFFAOYSA-N
Catalogue number
GC66849
Brand
GLPBIO
Computed properties PubChem CID 91757931 · XLogP 1.1 · TPSA 251 Ų · H-bond donors 4
XLogP
1.1
TPSA
251 Ų
H-bond donors
4
H-bond acceptors
16
Rotatable bonds
24
Heavy atoms
59

SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCNC(=S)NC2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O

Computed descriptors from PubChem (CID 91757931), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
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Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
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Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.