5-Carboxy-fluorescein diacetate N-succinimidyl ester

CAS 150206-05-6C29H19NO11Biochemicals & Reagents

5-Carboxy-fluorescein diacetate N-succinimidyl ester (CAS: 150206-05-6; Formula: C29H19NO11; MW: 557.46) is a fluorescent labeling reagent. It functions as a succinimidyl ester, enabling conjugation to amine groups. This compound is valuable for introducing a fluorescein moiety into biomolecules for fluorescent detection and imaging in various biological and biochemical research applications.

IUPAC: 5-Carboxy-di-O-acetylfluorescein N-succinimidyl ester
Synonyms: 5-Carboxy-di-O-acetylfluorescein N-succinimidyl ester

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5-Carboxy-fluorescein diacetate N-succinimidyl ester (C29H19NO11) — chemical structure, CAS 150206-05-6; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsFluorescein and DerivativesFluorescenceFluorescent LabelsFluorescent ProbesLabelsParticles and StainsMolecular BiologyProtein ModificationProtein Structural Analysis

01 /Applications

Fluorescent Labeling of Amines

This reagent covalently labels primary amine groups on proteins, peptides, and other biomolecules. The resulting fluorescent conjugates can be detected and quantified using fluorescence spectroscopy or microscopy.

Biomolecule Detection and Imaging

The fluorescein label allows for sensitive detection of labeled biomolecules in diverse biological systems. Applications include immunofluorescence, flow cytometry, and live-cell imaging.

Biochemical Assays

Used in developing fluorescent assays for studying enzyme activity, protein-protein interactions, and other biochemical processes where amine labeling is required.

02 /Properties

Molecular weight	557.46
Empirical formula	C29H19NO11
Assay	≥95.0% (HPLC)
Grade	for fluorescence
Solubility	DMF: solubleDMSO: soluble
Storage temperature	−20°C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

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

04 /Identifiers & registry

CAS number

150206-05-6

MDL number

MFCD00037466

05 /Additional specifications

Fluorescence	λex 492 nm; λem 517 nm

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 5-Carboxy-fluorescein diacetate N-succinimidyl ester used for?

5-Carboxy-fluorescein diacetate N-succinimidyl ester is primarily used for the fluorescent labeling of amine groups on biomolecules, enabling their detection and imaging in biological research.

What is the CAS number and formula for 5-Carboxy-fluorescein diacetate N-succinimidyl ester?

The CAS number is 150206-05-6 and the molecular formula is C29H19NO11.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies this product with an assay of ≥95.0% (HPLC), suitable for fluorescence applications. We do not represent this product as USP, EP, BP or pharmacopoeia grade.

What are the safety and handling recommendations?

Handling requires personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany of 3, indicating it is hazardous to water.

How is this chemical packed, shipped, and exported?

This chemical is typically stored at -20°C. As a global supplier, Tech Serve Solutions adheres to all relevant international shipping regulations for chemical export.