Direct Red 24 free acid

4-hydroxy-7-[[5-hydroxy-6-[(2-methoxyphenyl)diazenyl]-7-sulfonaphthalen-2-yl]carbamoylamino]-3-[(2-methyl-4-sulfophenyl)diazenyl]naphthalene-2-sulfonic acid

CAS: 25188-08-3

Molecular Formula	`C35H28N6O13S3`
Molecular Weight	836.8 g/mol
LogP	4.4
Topological Polar Surface Area	329.0 A2
Hydrogen Bond Donors	7
Hydrogen Bond Acceptors	17
Rotatable Bonds	10
Exact Mass	836.08765
Heavy Atoms	57
Complexity	1800.0

Chemical Identifiers

CAS Number	25188-08-3
SMILES	`CC1=C(C=CC(=C1)S(=O)(=O)O)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6OC)S(=O)(=O)O)S(=O)(=O)O`
InChIKey	`RQOXTBNOVJMAHF-UHFFFAOYSA-N`

📖 Product Overview

Direct Red 24 free acid (CAS: 25188-08-3) is a chemical compound with molecular formula C35H28N6O13S3 and molecular weight 836.8 g/mol. Its IUPAC systematic name is 4-hydroxy-7-[[5-hydroxy-6-[(2-methoxyphenyl)diazenyl]-7-sulfonaphthalen-2-yl]carbamoylamino]-3-[(2-methyl-4-sulfophenyl)diazenyl]naphthalene-2-sulfonic acid. LogP 4.4 Topological Polar Surface Area 329.0 A2 Hydrogen Bond Donors 7 Hydrogen Bond Acceptors 17 Rotatable Bonds 10 Exact Mass 836.08765 Heavy Atoms 57 Complexity 1800.0 InChI Key: RQOXTBNOVJMAHF-UHFFFAOYSA-N. SMILES: CC1=C(C=CC(=C1)S(=O)(=O)O)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=CC=C6OC)S(=O)(=O)O)S(=O)(=O)O.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.

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