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

Details

Stereochemistry ACHIRAL
Molecular Formula C25H28N2O7S2
Molecular Weight 532.629
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 2
Charge 0

SHOW SMILES / InChI
Structure of Xylene cyanol free acid

SMILES

CCNC1=CC=C(C=C1C)C(=C2C=CC(=NCC)C(C)=C2)C3=CC(O)=C(C=C3S(O)(=O)=O)S(O)(=O)=O

InChI

InChIKey=NSKAASUNQKDGPA-NVBHMFAJSA-N
InChI=1S/C25H28N2O7S2/c1-5-26-20-9-7-17(11-15(20)3)25(18-8-10-21(27-6-2)16(4)12-18)19-13-22(28)24(36(32,33)34)14-23(19)35(29,30)31/h7-14,26,28H,5-6H2,1-4H3,(H,29,30,31)(H,32,33,34)/b25-18+,27-21+

HIDE SMILES / InChI

Molecular Formula C25H28N2O7S2
Molecular Weight 532.629
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 2
Optical Activity NONE

Approval Year

Substance Class Chemical
Created
by admin
on Wed Apr 02 21:25:12 GMT 2025
Edited
by admin
on Wed Apr 02 21:25:12 GMT 2025
Record UNII
2NP5GW468D
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
1,3-Benzenedisulfonic acid, 4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-6-hydroxy-
Preferred Name English
Xylene cyanol free acid
Systematic Name English
4-[[4-(Ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-6-hydroxy-1,3-benzenedisulfonic acid
Systematic Name English
Toluene-2,4-disulfonic acid, ?-[4-(ethylamino)-m-tolyl]-?-[4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]-5-hydroxy-
Systematic Name English
Code System Code Type Description
CAS
2983339-56-4
Created by admin on Wed Apr 02 21:25:12 GMT 2025 , Edited by admin on Wed Apr 02 21:25:12 GMT 2025
ALTERNATIVE
FDA UNII
2NP5GW468D
Created by admin on Wed Apr 02 21:25:12 GMT 2025 , Edited by admin on Wed Apr 02 21:25:12 GMT 2025
PRIMARY
CAS
21563-96-2
Created by admin on Wed Apr 02 21:25:12 GMT 2025 , Edited by admin on Wed Apr 02 21:25:12 GMT 2025
PRIMARY
PUBCHEM
428499
Created by admin on Wed Apr 02 21:25:12 GMT 2025 , Edited by admin on Wed Apr 02 21:25:12 GMT 2025
PRIMARY
Related Record Type Details
SALT/SOLVATE -> PARENT