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Sku CI16898_250_MG
Chem Impex
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Product Information

Product Name
5-Carboxyfluorescein
Brand Name
Chem Impex
Product Number
16898
CAS
76823-03-5
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
123755
IUPAC Name
3',6'-dihydroxy-3-oxospiro2-benzofuran-1,9'-xanthene-5-carboxylic acid
InChI Key
NJYVEMPWNAYQQN-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Description

5-Carboxyfluorescein is widely utilized in research focused on:

Fluorescent Probes: This compound serves as an effective fluorescent marker in biological assays, allowing researchers to visualize cellular processes and track biomolecules in real-time.

pH Indicators: Due to its pH-sensitive fluorescence, it is used in various applications to measure acidity levels in solutions, making it valuable in environmental monitoring and food safety testing.

Drug Delivery Systems: Its properties enable it to be incorporated into drug formulations, enhancing the tracking of drug release and distribution within biological systems, which is crucial in pharmaceutical research.

Immunoassays: The compound is commonly employed in enzyme-linked immunosorbent assays (ELISAs) for the detection of specific proteins, aiding in clinical diagnostics and research.

Bioconjugation: It is often used to label antibodies and other biomolecules, facilitating studies in proteomics and molecular biology by improving the detection and analysis of target molecules.

References Data Source From Pubchem

Aliphatic Chain-Derived Fluorescein Aggregates for Surfactants Discrimination and CMC Determination

Publication Name: Journal of Fluorescence
Publication Date: 2026-03-02
DOI: 10.1007/s10895-026-04739-y

Sparcl1 mitigates abdominal aortic aneurysm through inhibiting lymphangiogenesis-mediated TLS formation

Publication Name: Nature Immunology
Publication Date: 2026-02-27
DOI: 10.1038/s41590-026-02454-1

VAMP7 governs ferroptosis suppression and cisplatin resistance in esophageal cancer: a dual-targeting therapeutic paradigm

Publication Name: Cancer Cell International
Publication Date: 2026-02-03
DOI: 10.1186/s12935-025-04153-7

Proteomic antibacterial characterization of flavonoid xanthohumol and probiotic Clostridium butyricum on pathogenic Clostridioides difficile

Publication Name: Chinese Medicine
Publication Date: 2026-02-03
DOI: 10.1186/s13020-026-01343-x

Creating unimolecular multivalent diversity in protein conjugates via the Passerini multicomponent bioconjugation with isocyanoproteins

Publication Name: Communications Chemistry
Publication Date: 2026-01-22
DOI: 10.1038/s42004-025-01827-1