5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE) ≥98% (by TLC)

Supplier: Biotium

Synonyms: 5(6)-FAM SE , NHS-Fluorescein , FLUOS

90024

89139-558EA 132.21 USD

89139-558

5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE) ≥98% (by TLC)

5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE)

5(6)-FAM SE (full name: 5-(and-6)-Carboxyfluorescein, succinimidyl ester mixed isomers) is an amine-reactive green fluorescent dye widely used for labeling proteins or other molecules that contain a primary or secondary aliphatic amine. The coupling reaction is usually carried out at pH 8-9.5. The amide linkage from the coupling reaction is much more stable than the thiourea linkage formed from the coupling of an amine and an isothiocyanate.

λEx/λEm = 495/519 nm
Yellow solid soluble in DMSO or DMF
Store at -20°C and protect from light

Formula: C₂₅H₁₅NO₉
MW: 473.39 g/mol
Storage Temperature: Freezer

MDL Number: MFCD04119713
CAS Number: 117548-22-8

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