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Fluorescein-PEG5-Acid - 98%, high purity , CAS No.2183440-40-4

Item Number

F596574

Grouped product items
SKU	Size	Availability	Price
F596574-25mg	25mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$1,141.90
F596574-50mg	50mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$2,071.90
F596574-100mg	100mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$2,986.90

Fluorescein Acid

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Basic Description

Specifications & Purity	98%
Storage Temp	Store at -20°C
Shipped In	Ice chest + Ice pads
Product Description	Fluorescein-PEG5-Acid is a xanthene dye with excitation/emission maximum of 494/517 nm and a free terminal carboxyl acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. It be used as quantum yield standard. Hydrophilic PEG spacer increases solubility in aqueous media and reduces steric hindrance during binding.

Molecular Weight	698.8

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Solubility	Solubility in Water, DMSO, DMF, DCM

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