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5-Carboxyfluorescein

PubChem CID
123755
Structure
5-Carboxyfluorescein_small.png
5-Carboxyfluorescein_3D_Structure.png
Molecular Formula
Synonyms
  • 5-Carboxyfluorescein
  • 76823-03-5
  • 5-FAM
  • 4-carboxyfluorescein
  • 3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid
Molecular Weight
376.3 g/mol
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Dates
  • Create:
    2005-07-19
  • Modify:
    2025-01-25
Description
5-carboxyfluorescein is a monocarboxylic acid. It has a role as a fluorochrome. It is functionally related to a fluorescein (lactone form).

1 Structures

1.1 2D Structure

Chemical Structure Depiction
5-Carboxyfluorescein.png

1.2 3D Conformer

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid
Computed by Lexichem TK 2.7.0 (PubChem release 2024.11.20)

2.1.2 InChI

InChI=1S/C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21/h1-9,22-23H,(H,24,25)
Computed by InChI 1.07.0 (PubChem release 2024.11.20)

2.1.3 InChIKey

NJYVEMPWNAYQQN-UHFFFAOYSA-N
Computed by InChI 1.07.0 (PubChem release 2024.11.20)

2.1.4 SMILES

C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

C21H12O7
Computed by PubChem 2.2 (PubChem release 2024.11.20)

2.3 Other Identifiers

2.3.1 CAS

2.3.2 Deprecated CAS

500533-95-9

2.3.3 European Community (EC) Number

2.3.4 UNII

2.3.5 ChEBI ID

2.3.6 DSSTox Substance ID

2.3.7 HMDB ID

2.3.8 Nikkaji Number

2.3.9 Wikidata

2.4 Synonyms

2.4.1 MeSH Entry Terms

  • 4(5)-carboxyfluorescein
  • 4-carboxyfluorescein
  • 5-carboxyfluorescein

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
376.3 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
XLogP3-AA
Property Value
2.9
Reference
Computed by XLogP3 3.0 (PubChem release 2024.11.20)
Property Name
Hydrogen Bond Donor Count
Property Value
3
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Hydrogen Bond Acceptor Count
Property Value
7
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Rotatable Bond Count
Property Value
1
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Exact Mass
Property Value
376.05830272 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Monoisotopic Mass
Property Value
376.05830272 Da
Reference
Computed by PubChem 2.2 (PubChem release 2024.11.20)
Property Name
Topological Polar Surface Area
Property Value
113 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Heavy Atom Count
Property Value
28
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
637
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2024.11.20)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
1
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2021.10.14)

5 Chemical Vendors

6 Safety and Hazards

6.1 Hazards Identification

6.1.1 GHS Classification

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements

H315 (20%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statement Codes

P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

(The corresponding statement to each P-code can be found at the GHS Classification page.)

ECHA C&L Notifications Summary

Aggregated GHS information provided per 5 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

6.1.2 Hazard Classes and Categories

Skin Irrit. 2 (20%)

Eye Irrit. 2 (100%)

7 Literature

7.1 Consolidated References

7.2 NLM Curated PubMed Citations

7.3 Springer Nature References

7.4 Chemical Co-Occurrences in Literature

7.5 Chemical-Gene Co-Occurrences in Literature

7.6 Chemical-Disease Co-Occurrences in Literature

8 Patents

8.1 Depositor-Supplied Patent Identifiers

8.2 WIPO PATENTSCOPE

8.3 Chemical Co-Occurrences in Patents

8.4 Chemical-Disease Co-Occurrences in Patents

8.5 Chemical-Gene Co-Occurrences in Patents

9 Interactions and Pathways

9.1 Protein Bound 3D Structures

9.1.1 Ligands from Protein Bound 3D Structures

PDBe Ligand Code
PDBe Structure Code
PDBe Conformer

9.2 Chemical-Target Interactions

10 Classification

10.1 MeSH Tree

10.2 ChEBI Ontology

10.3 ChemIDplus

10.4 UN GHS Classification

10.5 EPA DSSTox Classification

10.6 MolGenie Organic Chemistry Ontology

11 Information Sources

  1. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  2. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  3. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  4. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
    3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic acid
    https://echa.europa.eu/substance-information/-/substanceinfo/100.219.163
    3',6'-dihydroxy-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic acid (EC: 691-482-7)
    https://echa.europa.eu/information-on-chemicals/cl-inventory-database/-/discli/details/224719
  5. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  6. ChEBI
  7. Comparative Toxicogenomics Database (CTD)
    LICENSE
    It is to be used only for research and educational purposes. Any reproduction or use for commercial purpose is prohibited without the prior express written permission of NC State University.
    http://ctdbase.org/about/legal.jsp
  8. Human Metabolome Database (HMDB)
    LICENSE
    HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications.
    http://www.hmdb.ca/citing
  9. Japan Chemical Substance Dictionary (Nikkaji)
  10. Protein Data Bank in Europe (PDBe)
  11. RCSB Protein Data Bank (RCSB PDB)
    LICENSE
    Data files contained in the PDB archive (ftp://ftp.wwpdb.org) are free of all copyright restrictions and made fully and freely available for both non-commercial and commercial use. Users of the data should attribute the original authors of that structural data.
    https://www.rcsb.org/pages/policies
  12. Springer Nature
  13. Wikidata
  14. PubChem
  15. Medical Subject Headings (MeSH)
    LICENSE
    Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.
    https://www.nlm.nih.gov/copyright.html
  16. GHS Classification (UNECE)
  17. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
  18. PATENTSCOPE (WIPO)
CONTENTS