Carboxyfluorescein-PEG12-NHS

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Carboxyfluorescein-PEG12-NHS

Carboxyfluorescein-PEG12-NHS | 2246595-66-2

Catalog Number F04-0017
Category Fluorescein FAM
Molecular Formula C52H68N2O22
Molecular Weight 1073.1
Catalog Number Size Price Quantity
F04-0017 -- $--

Product Introduction

Carboxy Fluorescein-PEG12-NHS is a fluorescein labeled PEG linker containing a NHS group, which enables labeling for antibodies and other purified proteins at primary amines (lysine side chains). The hydrophilic PEG spacer arm increases solubility in aqueous media.

Chemical Information

Synonyms Carboxy Fluorescein-PEG12-NHS
Purity 96%
IUPAC Name (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[(3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carbonyl)amino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)C2=CC3=C(C=C2)C4(C5=C(C=C(C=C5)O)OC6=C4C=CC(=C6)O)OC3=O
InChI InChI=1S/C52H68N2O22/c55-39-2-5-43-45(36-39)74-46-37-40(56)3-6-44(46)52(43)42-4-1-38(35-41(42)51(61)75-52)50(60)53-10-12-63-14-16-65-18-20-67-22-24-69-26-28-71-30-32-73-34-33-72-31-29-70-27-25-68-23-21-66-19-17-64-15-13-62-11-9-49(59)76-54-47(57)7-8-48(54)58/h1-6,35-37,55-56H,7-34H2,(H,53,60)
InChI Key BRVYSOCTDPGOSJ-UHFFFAOYSA-N
Solubility Water, DMSO, DMF, DCM
  • Product Specification
Excitation 494
Emission 517
Storage -20 °C

Computed Properties

XLogP3 -0.1
Hydrogen Bond Donor Count 3
Hydrogen Bond Acceptor Count 22
Rotatable Bond Count 42
Exact Mass 1072.42637180 g/mol
Monoisotopic Mass 1072.42637180 g/mol
Topological Polar Surface Area 280Ų
Heavy Atom Count 76
Formal Charge 0
Complexity 1660
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes
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