N-[2-(Dansylamino)ethyl]maleimide

CAS 160291-45-2C18H19N3O4SBiochemicals & Reagents

N-[2-(Dansylamino)ethyl]maleimide (CAS: 160291-45-2) is a fluorescent label with the molecular formula C18H19N3O4S and a molecular weight of 373.43 g/mol. This compound is suitable for fluorescence applications, exhibiting excitation at 327 nm and emission at 547 nm. It is supplied by Tech Serve Solutions for research and biochemical use.

IUPAC: N-(2-Maleimidoethyl)-5-dimethylamino-1-naphthalenesulfonamide,N-(2-Maleimidoethyl)dansylamide
Synonyms: N-(2-Maleimidoethyl)dansylamide, N-(2-Dansylaminoethyl)maleimide

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N-[2-(Dansylamino)ethyl]maleimide (C18H19N3O4S) — chemical structure, CAS 160291-45-2; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsFluorescent LabelsFluorescent ProbesLabelsParticles and StainsOther Fluorescent Labels

01 /Applications

Fluorescent Labeling

N-[2-(Dansylamino)ethyl]maleimide serves as a fluorescent probe for biomolecules. Its ability to react with thiol groups allows for the labelling of proteins and other biological targets.

Biochemical Research

This compound is used in biochemical studies to track or detect molecules due to its inherent fluorescent properties. It aids in understanding biological processes at a molecular level.

Fluorescence Assays

It is suitable for developing fluorescence-based assays, where its spectral characteristics can be exploited to quantify or detect specific analytes in biological samples.

02 /Properties

Molecular weight	373.43
Empirical formula	C18H19N3O4S
Assay	≥99.0% (HPLC)
Storage temperature	2-8°C
Suitability	suitable for fluorescence

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

160291-45-2

05 /Additional specifications

Product Line	BioReagent
Fluorescence	λex 327 nm; λem 547 nm in 0.1 M phosphate pH 7.0, 2-mercaptoethanol

06 /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.

07 /Frequently asked questions

What is N-[2-(Dansylamino)ethyl]maleimide used for?

N-[2-(Dansylamino)ethyl]maleimide is primarily used as a fluorescent label for biomolecules, particularly for attaching to thiol groups on proteins and in various biochemical research and fluorescence assay applications.

What are the CAS number and formula for N-[2-(Dansylamino)ethyl]maleimide?

The CAS number is 160291-45-2, and the empirical formula is C18H19N3O4S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies N-[2-(Dansylamino)ethyl]maleimide with an assay of ≥99.0% (HPLC). This product is intended for research use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.

How should N-[2-(Dansylamino)ethyl]maleimide be handled?

N-[2-(Dansylamino)ethyl]maleimide is classified as harmful if swallowed (H302). When handling, use a dust mask type N95 (US), safety eyeshields, and gloves. Store at 2-8°C.

How is this chemical packed, shipped, and exported?

Tech Serve Solutions carefully packs and exports fine chemicals, laboratory reagents, and pharmaceutical intermediates globally, adhering to all necessary shipping regulations.