Atto 425

CAS 652966-03-5C22H27NO6Biochemicals & Reagents

Atto 425 (CAS 652966-03-5), with the empirical formula C22H27NO6 and a molecular weight of 401.45 g/mol, is a highly fluorescent label. Its rigid structure prevents cis-trans isomerization, ensuring high intensity and minimal spectral shifts upon conjugation. This property makes Atto 425 exceptionally suited for advanced applications requiring high sensitivity, such as single-molecule detection and the preparation of fluorescence labelling reagents.

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Atto 425 (C22H27NO6) — chemical structure, CAS 652966-03-5; Life Science, fine chemical supplied by Tech Serve Solutions

Atto LabelsBiochemicals and ReagentsFluorescent LabelsFluorescent ProbesLabelsParticles and Stains

01 /Applications

High-Sensitivity Fluorescence Detection

Atto 425 is ideal for applications demanding superior sensitivity, including single-molecule detection (SMD) due to its inherent brightness and photostability. Its spectral characteristics remain consistent during conjugation, preserving signal integrity.

Fluorescence Labelling Reagent Preparation

This compound serves as a key component in the synthesis of specialised fluorescence labelling reagents. Its predictable spectral behaviour and high quantum yield facilitate the creation of probes for various biological and chemical assays.

Biochemical and Biological Research

Atto 425, as a fluorescent probe and label, finds utility in various biochemical and biological research fields. It aids in visualising and quantifying biological processes at a molecular level, supporting advances in life sciences.

02 /Properties

Molecular weight	401.45
Empirical formula	C22H27NO6
Storage temperature	−20°C
Application	Atto fluorescent labels are designed for high sensitivity applications, including single molecule detection. Atto labels have rigid structures that do not show any cis-trans-isomerization. Thus these labels display exceptional intensity with minimal spectral shift on conjugation. Atto 425 is suitable for preparation of fluorescence labeling reagents.

03 /Identifiers & registry

CAS number

652966-03-5

04 /Additional specifications

Shipped In	wet ice
Fluorescence	λex 440 nm; λem 484 nm

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Atto 425 used for?

Atto 425 is primarily used for high-sensitivity fluorescence detection applications, including single-molecule detection, and for the preparation of fluorescence labelling reagents. It is also utilised in various biochemical and biological research contexts.

What is the CAS number and formula for Atto 425?

The CAS number for Atto 425 is 652966-03-5, and its empirical formula is C22H27NO6.

What grade and purity does Tech Serve Solutions supply for Atto 425?

Tech Serve Solutions supplies Atto 425 as a reagent for research and laboratory use. The specific assay or purity is detailed in the product specifications. It is not supplied as USP, BP, EP, or other pharmacopoeia grades.

How should Atto 425 be handled and stored?

Atto 425 should be stored at -20°C. As with all fine chemicals, handle with appropriate personal protective equipment in a well-ventilated area to avoid exposure. Consult the Safety Data Sheet (SDS) for comprehensive handling and safety information.