Vector Laboratories

Fluorescein Maleimide

Special Offer: Purchase One Vector product and get 50% of a 2nd Vector product you've never tried before! 50% discount is applicable to the list price of a product not previously purchased by the customer. Cannot be combined with other offers or discounts. Please enter Promotion Code VECT22NEW in the Notes Section of your Order, and our Customer Service Dept. will apply the discount on your Order Confirmation. Valid until November 30, 2022.

Product Description

  • Fluorescein Maleimide is designed for fluoresceinating proteins, nucleic acids or other molecules containing one or more thiol groups. Molecules to be labeled with Fluorescein Maleimide require free thiol groups. In the case of proteins, Fluorescein Maleimide will react with exposed cysteine residues. Alternatively, free thiols may be generated by reducing disulfide bonds or by modifying other reactive groups such as primary amines with compounds like Traut's reagent (2-iminothiolane).For labeling nucleic acids, thiols can be introduced into DNA, RNA, or oligonucleotides using the FastTag, 5' EndTag or 3' EndTag nucleic acid labeling systems.This fluorescent label can be directly detected or used as a hapten and detected with our high affinity antibody reagents. (Excitation maximum at 495 nm; emission maximum at 515 nm).

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Product Options

Product Number Description Package Size List Price (CAD)
VECTSP1502 Fluorescein Maleimide, 12 mg 12MG
CA$188.20
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