Cas No.: 51649-83-3
PRODUCT INFORMATION
Description
Synonyms: 6-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one (isomer II) / Fluoresceinamine (isomer II). This is the fluorescein fluorophore functionalized with a primary amine. The amine acts as a nucleophilic handle, allowing it to be coupled to activated carboxyl groups (e.g., on a protein) using EDC/NHS chemistry. It is a versatile building block for synthesizing custom fluorescein-based probes, or for labeling biomolecules at their carboxylic acid sites with a bright, green-fluorescent tag.
Molecular Weight
347.33
Purity
>95.0%
Formula
C₂₀H₁₃NO₅
Product Type
Fluorescent Labels
Ex
494 nm
Em
521 nm
Form (20 deg.C)
Solid
Storage Condition
2-8°C
Molecular Structure
For Research Use Only | Not For Clinical Use
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