Description
DBCO-Cy₃ is a dibenzocyclooctyne–cyanine dye conjugate supplied at a minimum purity of 90 % for chemical and biochemical laboratory applications. Registered under CAS number 1782950-79-1, it has the empirical formula C₅₀H₅₄N₄O₁₁S₃ and a molar mass of 983,18 g/mol. provides a concentrated research quantity suited to labelling, conjugation, and fluorescence-oriented experimental setups that rely on a defined DBCO-linked Cy₃ structure. Material from manufacturer Carl ROTH is presented with clear molecular mass and assay data so users can calculate molar amounts and prepare working solutions with confidence. As a specialty biochemical reagent, DBCO-Cy₃ supports workflows in which a strained alkyne handle is paired with a Cy₃ fluorophore motif under controlled laboratory conditions. Stated purity and formula details help align protocols, stock preparation, and analytical verification with the manufacturer’s specification set.
This article is part of Fluorescent dyes & labels, in Dyes, stains & indicators.
Key features
- Colour: deep red
- Form: solid
- Purity (NMR): ≥90 %
- CAS number: 1782950-79-1
- Pack sizes: 1 mg, 2 mg, 5 mg
- Purity: min. 90 %
- Empirical formula: C₅₀H₅₄N₄O₁₁S₃
- Molar mass: 983,18 g/mol
- Storage temperature: +2 to +8 °C
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about DBCO-Cy3, min. 90 %, 1 mg
What is this article?
DBCO-Cy3, min. 90 %, 1 mg is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Fluorescent dyes & labels, inside Dyes, stains & indicators, in Lab chemicals.
A fluorescent dye absorbs at one wavelength and emits at a longer one. As a label it is attached to a protein, a nucleic acid or a cell. Excitation and emission maxima, and the reactive group if it must conjugate, are the specification. The colour name does not tell you the wavelengths.
A dye or a stain binds, or changes colour, so that something invisible becomes visible. An indicator changes at a pH or a redox point. A fluorescent dye absorbs one wavelength and emits another, which is how a microscope or a plate reader picks it out. The excitation and emission, or the transition interval, are the specification. The colour name on the label is not. Structures are on PubChem under IUPAC names. Methods are in the PubMed literature.
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