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Evans blue free acid

CHEBI:CHEBI_87634

Definition

A naphthalenesulfonic acid that is the free acid form of the dye Evans blue. The tetrasodium salt is used as a counterstain, especially in fluorescent methods to suppress background autofluorescence.

Chemical Information

Molecular Formula
C34H28N6O14S4
Molecular Mass
872.87800
Charge
0
SMILES
Cc1cc(ccc1N=Nc1ccc2c(cc(c(N)c2c1O)S(O)(=O)=O)S(O)(=O)=O)-c1ccc(N=Nc2ccc3c(cc(c(N)c3c2O)S(O)(=O)=O)S(O)(=O)=O)c(C)c1
InChI
InChI=1S/C34H28N6O14S4/c1-15-11-17(3-7-21(15)37-39-23-9-5-19-25(55(43,44)45)13-27(57(49,50)51)31(35)29(19)33(23)41)18-4-8-22(16(2)12-18)38-40-24-10-6-20-26(56(46,47)48)14-28(58(52,53)54)32(36)30(20)34(24)42/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54)
InChIKey
COXVTLYNGOIATD-UHFFFAOYSA-N

Alternative Names

  • 6,6'-{(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[diazene-2,1-diyl]}bis(4-amino-5-hydroxynaphthalene-1,3-disulfonic acid)
  • Evans blue acid
  • Evans blue free acid form
  • NSC 8680

Drug Classification

Important Medical Information

⚕️ This information is sourced from ChEBI (Chemical Entities of Biological Interest) database and is intended for educational purposes only.

  • Always consult with a healthcare professional before starting, stopping, or modifying any medication.
  • Side effects may vary and this list may not be comprehensive.
  • Drug interactions may occur with other medications.

Additional Identifiers

oboInOwl#hasDbXref
Reaxys:1838846
core#notation
CHEBI:87634

Additional References

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Additional Attributes

chebi#is_conjugate_base_of
http://purl.obolibrary.org/obo/CHEBI_87636
owl#annotatedSource
t314225
owl#someValuesFrom
t313495
oboInOwl#hasOBONamespace
chebi_ontology
oboInOwl#hasDbXref
Reaxys:1838846
oboInOwl#id
CHEBI:87634
core#notation
CHEBI:87634
RO_0000087
http://purl.obolibrary.org/obo/CHEBI_38633
oboInOwl#inSubset
http://purl.obolibrary.org/obo/chebi#3_STAR
chebi#is_conjugate_acid_of
http://purl.obolibrary.org/obo/CHEBI_87636
22-rdf-syntax-ns#type
http://www.w3.org/2002/07/owl#Class