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FAM isothiocyanate (FITC), 5-isomer

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4641-1g 1 g $276 12 天
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FAM-5-isothiocyanate or 5-FITC is an isothiocyanate derivative of fluorescein that reacts with nucleophilic substituents (e.g. amino, hydroxyl, thiol) of biomolecules. It is often used to label antibodies and other probes for use in various fluorescence-based techniques such as microscopy, flow cytometry, and immunofluorescence assays like immunochemistry, Western blotting, and ELISA.

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FAM isothiocyanate (FITC), 5- and 6-isomers

An isothiocyanate derivative of fluorescein for labeling of antibodies and other biomolecules. Mix of 5- and 6-isomers.

FAM NHS 酯,6-異構體 (FAM NHS ester, 6-isomer)

活化的螢光素 N-羥基琥珀醯亞胺酯 (FAM),純 6-異構體。

HEX NHS ester, 6-isomer

NHS-ester of HEX dye for proteins, peptides, and modified oligonucleotides labeling via reaction with amino groups.

General properties

Appearance: orange powder
Molecular weight: 389.39
CAS number: 3326-32-7
Molecular formula: C21H11NO5S
Solubility: good in DMF or DMSO
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 492
Emission maximum, nm: 517
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