Direct Red 26 free acid structure

Direct Red 26 free acid

TL;DR: Direct Red 26 free acid (CAS 25188-35-6) is a chemical compound with molecular formula C38H28N6O13S3 and molecular weight 872.09 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

4-hydroxy-7-[[5-hydroxy-7-sulfo-6-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalen-2-yl]carbamoylamino]-3-[(2-methoxyphenyl)diazenyl]naphthalene-2-sulfonic acid

Also Known As: Direct Red 26 free acid, C.I. Direct Red 26, 1-Naphthalenesulfonic acid, 4-(2-(1-hydroxy-6-((((5-hydroxy-6-(2-(2-methoxyphenyl)diazenyl)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-sulfo-2-naphthalenyl)diazenyl)-, 4-(2-(1-Hydroxy-6-((((5-hydroxy-6-(2-(2-methoxyphenyl)diazenyl)-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-sulfo-2-naphthalenyl)diazenyl)-1-naphthalenesulfonic acid, 4-[1-Hydroxy-6-[[[[5-hydroxy-6-(2-methoxyphenylazo)-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-sulfo-2-naphthalenylazo]-1-naphthalenesulfonic acid

CAS: 25188-35-6
Molecular Formula C38H28N6O13S3
Molecular Weight 872.09 g/mol
LogP 5.3
Topological Polar Surface Area 329.0 Ų
Hydrogen Bond Donors 7
Hydrogen Bond Acceptors 17
Rotatable Bonds 10
Exact Mass 872.08765
Heavy Atoms 60
Complexity 1910.0

Chemical Identifiers

CAS Number 25188-35-6
SMILES COC1=CC=CC=C1N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC=C(C7=CC=CC=C76)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
InChIKey VJTOUMLYKLAGLU-UHFFFAOYSA-N

Product Overview

Direct Red 26 free acid (CAS 25188-35-6), with molecular formula C38H28N6O13S3 and molecular weight 872.09 g/mol. IUPAC: 4-hydroxy-7-[[5-hydroxy-7-sulfo-6-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalen-2-yl]carbamoylamino]-3-[(2-methoxyphenyl)diazenyl]naphthalene-2-sulfonic acid.

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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.
View MSDS →

Chemical Property Profile of Direct Red 26 free acid

XLogP
5.3
TPSA (Topological Polar Surface Area)
329.0
Hydrogen Bond Donors
7
Hydrogen Bond Acceptors
17
Rotatable Bonds
10
Heavy Atoms
60
Complexity
1910.0
Exact Mass
872.08765
Monoisotopic Mass
872.08765
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Direct Red 26 free acid

The XLogP value of 5.3 indicates that Direct Red 26 free acid is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 329.0 Ų indicates high polarity, suggesting Direct Red 26 free acid may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Red 26 free acid has 7 hydrogen bond donor(s) and 17 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of Direct Red 26 free acid?

The CAS number of Direct Red 26 free acid is 25188-35-6.

What is the molecular formula of Direct Red 26 free acid?

The molecular formula of Direct Red 26 free acid is C38H28N6O13S3.

What is the molecular weight of Direct Red 26 free acid?

The molecular weight of Direct Red 26 free acid is 872.09 g/mol.

Where can I buy Direct Red 26 free acid?

You can request a quote for Direct Red 26 free acid directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Red 26 free acid?

Yes, KEHONG BIO provides custom synthesis services for Direct Red 26 free acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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