EINECS 257-228-0 structure

EINECS 257-228-0

TL;DR: EINECS 257-228-0 (CAS 51473-76-8) is a chemical compound with molecular formula C36H25N9Na4O13S4 and molecular weight 1011.00 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

tetrasodium;(6Z)-4-amino-3-[[4-[(E)-2-[4-[(2,4-diaminophenyl)diazenyl]-2-sulfonatophenyl]ethenyl]-3-sulfonatophenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate

Also Known As: EINECS 257-228-0, 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[2-[4-[(2,4-diaminophenyl)azo]-2-sulfophenyl]ethenyl]-3-sulfophenyl]azo]-5-hydroxy-6-(phenylazo)-, tetrasodium salt, Tetrasodium 4-amino-3-((4-(2-(4-((2,4-diaminophenyl)azo)-2-sulphonatophenyl)vinyl)-3-sulphonatophenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate, Tetrasodium 4-amino-3-[[4-[2-[4-[(2,4-diaminophenyl)azo]-2-sulphonatophenyl]vinyl]-3-sulphonatophenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

CAS: 51473-76-8
Molecular Formula C36H25N9Na4O13S4
Molecular Weight 1011.00 g/mol
LogP -7.2868
Topological Polar Surface Area 397.76 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 22
Rotatable Bonds 12
Exact Mass 1011.0045
Heavy Atoms 66
Complexity 3340.656

Chemical Identifiers

CAS Number 51473-76-8
SMILES C1=CC=C(C=C1)N/N=C/2\C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC(=C(C=C4)/C=C/C5=C(C=C(C=C5)N=NC6=C(C=C(C=C6)N)N)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Product Overview

EINECS 257-228-0 (CAS 51473-76-8), with molecular formula C36H25N9Na4O13S4 and molecular weight 1011.00 g/mol. IUPAC: tetrasodium;(6Z)-4-amino-3-[[4-[(E)-2-[4-[(2,4-diaminophenyl)diazenyl]-2-sulfonatophenyl]ethenyl]-3-sulfonatophenyl]diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate.

🧪
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 EINECS 257-228-0

XLogP
-7.2868
TPSA (Topological Polar Surface Area)
397.76
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
22
Rotatable Bonds
12
Heavy Atoms
66
Complexity
3340.656
Exact Mass
1011.0045
Monoisotopic Mass
1011.0045
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 EINECS 257-228-0

The XLogP value of -7.2868 indicates that EINECS 257-228-0 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 397.76 Ų indicates high polarity, suggesting EINECS 257-228-0 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, EINECS 257-228-0 has 4 hydrogen bond donor(s) and 22 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 EINECS 257-228-0?

The CAS number of EINECS 257-228-0 is 51473-76-8.

What is the molecular formula of EINECS 257-228-0?

The molecular formula of EINECS 257-228-0 is C36H25N9Na4O13S4.

What is the molecular weight of EINECS 257-228-0?

The molecular weight of EINECS 257-228-0 is 1011.00 g/mol.

Where can I buy EINECS 257-228-0?

You can request a quote for EINECS 257-228-0 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for EINECS 257-228-0?

Yes, KEHONG BIO provides custom synthesis services for EINECS 257-228-0 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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