ATTO 647 NHS
ATTO 647 NHS is a water-soluble fluorescent labeling reagent targeting primary amine (-NH₂) groups with excitation wavelength of 645 nm and emission wavelength of 669 nm.
- Catalog number
- QH-20-2009
- Product category
- Reactive Fluorescent Dyes
- Product series
- ATTO Fluorescent Dyes
- Excitation maximum
- 645 nm
Product information
Only fields confirmed in the current product master data are shown.
- Catalog number
- QH-20-2009
- Product category
- Reactive Fluorescent Dyes
- Product series
- ATTO Fluorescent Dyes
- Excitation maximum
- 645 nm
- Emission maximum
- 669 nm
- Fluorophore
- ATTO 647
- Reactive group
- NHS
Formats and quotation
Pricing, availability and delivery timing are confirmed in a formal StellaCyte quotation. No inventory status is claimed on this page.
View the source product recordCustom labeling with ATTO 647 NHS
To apply this dye to your antibody or protein, submit the sample information, intended application and requested labeling outcome.
Spectral and selection information
Published excitation and emission maxima support instrument and application matching.
Peak positions are plotted from published parameters and do not represent complete absorption or emission spectra.
Chemistry and handling information
Product parameters come from the source master data. General reaction guidance is summarized from established reagent-supplier technical materials; conditions must be optimized for the sample.
- Product category
- Reactive Fluorescent Dyes
- Product series
- ATTO Fluorescent Dyes
- Fluorophore
- ATTO 647
- Reactive group
- NHS
- Labeling target
- Primary amines on lysine side chains, N-termini or amine-modified oligonucleotides
- Reaction type
- Amine-reactive · stable amide bond
- Typical use
- Labeling antibodies, proteins, peptides and amine-modified nucleic acids
- Handling note
- Use an amine-free buffer; prepare dye immediately before use in anhydrous DMSO or DMF and protect from light
Technical documents and support
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Product instructions
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Contact technical supportProduct description
ATTO 647 NHS is a water-soluble fluorescent labeling reagent targeting primary amine (-NH₂) groups with excitation wavelength of 645 nm and emission wavelength of 669 nm.