Biotin-PEG4-STP Ester

PG-20161-50249

Product information

Catalog No.
PG-20161-50249
Product Name
Biotin-PEG4-STP Ester
CAS No.
Not specified
Molecular Formula
C27H37F4N3O11S2
Molecular Weight
719.7
Purity
Not specified
Storage
-20°C
Shipping
Ambient Temperature
Documents

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Packaging and pricing for PG-20161-50249
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General Information

Product Name
Biotin-PEG4-STP Ester
CAS No.
Not specified
Synonyms
Not specified
Molecular Formula
C27H37F4N3O11S2
Molecular Weight
719.7
Appearance
Not specified
Solubility
DMSO, DMF, Water
Description

Biotin-PEG4-STP Ester is an amine-reactive biotin labeling reagent containing a 4-Sulfo-2,3,5,6-tetrafluorophenyl ester and a hydrophilic PEG spacer. It can label proteins, antibodies, and other amine-containing biopolymers in 100% aqueous media. Listed solvents include DMSO, DMF, Water.

The flexible PEG spacer separates biotin from the labeled molecule, helping limit steric interference during avidin binding. The spacer also contributes water solubility to the conjugate and can reduce aggregation of labeled proteins in solution.