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

Details

Stereochemistry ACHIRAL
Molecular Formula C21H18O5S
Molecular Weight 382.43
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of CRESOL RED

SMILES

CC1=CC(=CC=C1O)C2(OS(=O)(=O)C3=CC=CC=C23)C4=CC=C(O)C(C)=C4

InChI

InChIKey=OBRMNDMBJQTZHV-UHFFFAOYSA-N
InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3

HIDE SMILES / InChI

Molecular Formula C21H18O5S
Molecular Weight 382.43
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

Patents

Patents

Substance Class Chemical
Created
by admin
on Mon Mar 31 19:58:07 GMT 2025
Edited
by admin
on Mon Mar 31 19:58:07 GMT 2025
Record UNII
839K2R4B8K
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
CRESOL RED
MI  
Common Name English
NSC-7224
Preferred Name English
.ALPHA.-HYDROXY-.ALPHA.,.ALPHA.-BIS(4-HYDROXY-M-TOLYL)-O-TOLUENESULFONIC ACID .GAMMA.-SULTONE
Common Name English
CRESOL RED [MI]
Common Name English
4,4'-(1,1-DIOXIDO-3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-METHYLPHENOL)
Systematic Name English
O-CRESOLSULFONPHTHALEIN
Common Name English
Code System Code Type Description
EPA CompTox
DTXSID8061929
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
FDA UNII
839K2R4B8K
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
WIKIPEDIA
CRESOL RED
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
MESH
C009743
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
CAS
1733-12-6
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
NSC
7224
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
ECHA (EC/EINECS)
217-064-2
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
PUBCHEM
73013
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY
MERCK INDEX
m3838
Created by admin on Mon Mar 31 19:58:07 GMT 2025 , Edited by admin on Mon Mar 31 19:58:07 GMT 2025
PRIMARY Merck Index