HEX NHS ester, 6-isomer
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
2B220 | 5 mg | $175 | in stock |
Activated NHS-ester of HEX (Hexachlorofluorescein) dye, a pure 6-isomer. This NHS ester is an amine-reactive dye for labeling of amine groups in proteins, peptides, amino-modified oligos, and other target molecules.
HEX is a hexachlorinated derivate of the fluorescent dye fluorescein. HEX exhibits an excitation peak at 533 nm and an emission peak at 549 in the green-yellow area. It can serve as a substitute for JOE, BODIPY™ 530/550, VIC™ because of their similar spectral characteristics.
HEX NHS ester is widely used in nucleic acid sequencing, PCR/qPCR, and related research.
Absorption and emission spectra of HEX
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General properties
Appearance: | light orange powder |
Molecular weight: | 680.06 |
CAS number: | 2129651-79-0 |
Molecular formula: | C25H9Cl6NO9 |
Solubility: | very soluble in DMSO, DMF |
Quality control: | NMR 1H and HPLC-MS (95+%) |
Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light. |
MSDS: | Download |
Product specifications |
Spectral properties
Excitation/absorption maximum, nm: | 533 |
ε, L⋅mol−1⋅cm−1: | 87770 |
Emission maximum, nm: | 549 |
Fluorescence quantum yield: | 0.57 |
CF260: | 0.30 |
CF280: | 0.13 |
BODIPY™, VIC™ are trademarks of Thermo Fisher Scientific.
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