U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ACHIRAL
Molecular Formula C17H13N2O5S.Na
Molecular Weight 380.35
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 1
Charge 0

SHOW SMILES / InChI
Structure of Acid red 4 sodium salt

SMILES

[Na+].COC1=C(C=CC=C1)\N=N\C2=C(O)C3=C(C=CC=C3)C(=C2)S([O-])(=O)=O

InChI

InChIKey=ZXGIHDNEIWPDFW-LTRPLHCISA-M
InChI=1S/C17H14N2O5S.Na/c1-24-15-9-5-4-8-13(15)18-19-14-10-16(25(21,22)23)11-6-2-3-7-12(11)17(14)20;/h2-10,20H,1H3,(H,21,22,23);/q;+1/p-1/b19-18+;

HIDE SMILES / InChI

Approval Year

Name Type Language
NSC-47706
Preferred Name English
Acid red 4 sodium salt
Common Name English
C.I. Acid red 4, monosodium salt
Common Name English
1-Naphthalenesulfonic acid, 4-hydroxy-3-[2-(2-methoxyphenyl)diazenyl]-, sodium salt
Systematic Name English
1-Naphthalenesulfonic acid, 4-hydroxy-3-[2-(2-methoxyphenyl)diazenyl]-, sodium salt (1:1)
Systematic Name English
Code System Code Type Description
NSC
47706
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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CAS
5858-39-9
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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CHEBI
87094
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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ECHA (EC/EINECS)
227-490-0
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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FDA UNII
7UFT2K4ZHF
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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EPA CompTox
DTXSID1064035
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
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PUBCHEM
135503196
Created by admin on Tue Apr 01 18:46:10 GMT 2025 , Edited by admin on Tue Apr 01 18:46:10 GMT 2025
PRIMARY