Direct Red 80 structure

Direct Red 80

TL;DR: Direct Red 80 (CAS 25188-41-4) is a chemical compound with molecular formula C45H32N10O21S6 and molecular weight 1240.01 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-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2-sulfonic acid

Also Known As: Direct Red 80, direct red 80 free acid, C.I. Direct Red 23, C.I. Direct Red 80, Sirius red F3B free acid

CAS: 25188-41-4
Molecular Formula C45H32N10O21S6
Molecular Weight 1240.01 g/mol
LogP 3.9
Topological Polar Surface Area 557.0 Ų
Hydrogen Bond Donors 10
Hydrogen Bond Acceptors 29
Rotatable Bonds 16
Exact Mass 1240.0068
Heavy Atoms 82
Complexity 2870.0

Chemical Identifiers

CAS Number 25188-41-4
SMILES C1=CC(=CC=C1N=NC2=CC(=C(C=C2)N=NC3=C(C=C4C=C(C=CC4=C3O)NC(=O)NC5=CC6=CC(=C(C(=C6C=C5)O)N=NC7=C(C=C(C=C7)N=NC8=CC=C(C=C8)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O
InChIKey IUNAENBIEJRAKZ-UHFFFAOYSA-N

Product Overview

Direct Red 80 (CAS 25188-41-4), with molecular formula C45H32N10O21S6 and molecular weight 1240.01 g/mol. IUPAC: 4-hydroxy-7-[[5-hydroxy-7-sulfo-6-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]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 80

XLogP
3.9
TPSA (Topological Polar Surface Area)
557.0
Hydrogen Bond Donors
10
Hydrogen Bond Acceptors
29
Rotatable Bonds
16
Heavy Atoms
82
Complexity
2870.0
Exact Mass
1240.0068
Monoisotopic Mass
1240.0068
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 80

The XLogP value of 3.9 indicates that Direct Red 80 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 557.0 Ų indicates high polarity, suggesting Direct Red 80 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Red 80 has 10 hydrogen bond donor(s) and 29 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 80?

The CAS number of Direct Red 80 is 25188-41-4.

What is the molecular formula of Direct Red 80?

The molecular formula of Direct Red 80 is C45H32N10O21S6.

What is the molecular weight of Direct Red 80?

The molecular weight of Direct Red 80 is 1240.01 g/mol.

Where can I buy Direct Red 80?

You can request a quote for Direct Red 80 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Red 80?

Yes, KEHONG BIO provides custom synthesis services for Direct Red 80 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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