Direct Yellow 118 structure

Direct Yellow 118

TL;DR: Direct Yellow 118 (CAS 67969-87-3) is a chemical compound with molecular formula C31H23N6Na3O11S3 and molecular weight 820.03 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

trisodium;7-[[4-[[2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl]carbamoylamino]-2-methylphenyl]diazenyl]naphthalene-1,3-disulfonate

Also Known As: Direct Yellow 118, 1,3-Naphthalenedisulfonic acid, 7-((4-((((2-methoxy-4-((3-sulfophenyl)azo)phenyl)amino)carbonyl)amino)-2-methylphenyl)azo)-, trisodium salt, 1,3-Naphthalenedisulfonic acid, 7-(2-(4-((((2-methoxy-4-(2-(3-sulfophenyl)diazenyl)phenyl)amino)carbonyl)amino)-2-methylphenyl)diazenyl)-, sodium salt (1:3), trisodium 7-[(e)-{4-[({2-methoxy-4-[(e)-(3-sulfonatophenyl)diazenyl]phenyl}carbamoyl)amino]-2-methylphenyl}diazenyl]naphthalene-1,3-disulfonate, 1,3-Naphthalenedisulfonic acid, 7-[[4-[[[[2-methoxy-4-[(3-sulfophenyl)azo]phenyl]amino]carbonyl]amino]-2-methylphenyl]azo]-, trisodium salt

CAS: 67969-87-3
Molecular Formula C31H23N6Na3O11S3
Molecular Weight 820.03 g/mol
LogP -2.64
Topological Polar Surface Area 297.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 15
Rotatable Bonds 7
Exact Mass 820.028
Heavy Atoms 54
Complexity 1560.0

Chemical Identifiers

CAS Number 67969-87-3
SMILES CC1=C(C=CC(=C1)NC(=O)NC2=C(C=C(C=C2)N=NC3=CC(=CC=C3)S(=O)(=O)[O-])OC)N=NC4=CC5=C(C=C(C=C5C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]
InChIKey FWLOBTCGBAFLDZ-UHFFFAOYSA-K

Product Overview

Direct Yellow 118 (CAS 67969-87-3), with molecular formula C31H23N6Na3O11S3 and molecular weight 820.03 g/mol. IUPAC: trisodium;7-[[4-[[2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl]carbamoylamino]-2-methylphenyl]diazenyl]naphthalene-1,3-disulfonate.

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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 Yellow 118

XLogP
-2.64
TPSA (Topological Polar Surface Area)
297.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
15
Rotatable Bonds
7
Heavy Atoms
54
Complexity
1560.0
Exact Mass
820.028
Monoisotopic Mass
820.028
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 Yellow 118

The XLogP value of -2.64 indicates that Direct Yellow 118 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 297.0 Ų indicates high polarity, suggesting Direct Yellow 118 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Yellow 118 has 2 hydrogen bond donor(s) and 15 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 Yellow 118?

The CAS number of Direct Yellow 118 is 67969-87-3.

What is the molecular formula of Direct Yellow 118?

The molecular formula of Direct Yellow 118 is C31H23N6Na3O11S3.

What is the molecular weight of Direct Yellow 118?

The molecular weight of Direct Yellow 118 is 820.03 g/mol.

Where can I buy Direct Yellow 118?

You can request a quote for Direct Yellow 118 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Yellow 118?

Yes, KEHONG BIO provides custom synthesis services for Direct Yellow 118 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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