Direct Yellow 34 structure

Direct Yellow 34

TL;DR: Direct Yellow 34 (CAS 6420-38-8) is a chemical compound with molecular formula C36H29N5Na2O8S2 and molecular weight 769.13 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;3-[(2,4-dimethylphenyl)diazenyl]-7-[[6-[(2,4-dimethylphenyl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]amino]-4-hydroxynaphthalene-2-sulfonate

Also Known As: Direct Yellow 34, 7,7'-Iminobis(4-hydroxy-3-((2,4-dimethylphenyl)azo)-2-naphthalenesulfonic acid), disodium salt, 2-Naphthalenesulfonic acid, 7,7'-iminobis(3-((2,4-dimethylphenyl)azo)-4-hydroxy-, disodium salt, 2-Naphthalenesulfonic acid, 7,7'-iminobis(3-(2-(2,4-dimethylphenyl)diazenyl)-4-hydroxy-, sodium salt (1:2), Disodium 7,7'-iminobis(3-((2,4-dimethylphenyl)azo)-4-hydroxynaphthalene-2-sulphonate)

CAS: 6420-38-8
Molecular Formula C36H29N5Na2O8S2
Molecular Weight 769.13 g/mol
LogP 3.03
Topological Polar Surface Area 233.0 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 13
Rotatable Bonds 6
Exact Mass 769.1253
Heavy Atoms 53
Complexity 1340.0

Chemical Identifiers

CAS Number 6420-38-8
SMILES CC1=CC(=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=C(C=C(C=C6)C)C)S(=O)(=O)[O-])S(=O)(=O)[O-])C.[Na+].[Na+]
InChIKey RCTVEBBEUVRZRT-UHFFFAOYSA-L

Product Overview

Direct Yellow 34 (CAS 6420-38-8), with molecular formula C36H29N5Na2O8S2 and molecular weight 769.13 g/mol. IUPAC: disodium;3-[(2,4-dimethylphenyl)diazenyl]-7-[[6-[(2,4-dimethylphenyl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]amino]-4-hydroxynaphthalene-2-sulfonate.

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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 34

XLogP
3.03
TPSA (Topological Polar Surface Area)
233.0
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
13
Rotatable Bonds
6
Heavy Atoms
53
Complexity
1340.0
Exact Mass
769.1253
Monoisotopic Mass
769.1253
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 34

The XLogP value of 3.03 indicates that Direct Yellow 34 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 233.0 Ų indicates high polarity, suggesting Direct Yellow 34 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Yellow 34 has 3 hydrogen bond donor(s) and 13 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 34?

The CAS number of Direct Yellow 34 is 6420-38-8.

What is the molecular formula of Direct Yellow 34?

The molecular formula of Direct Yellow 34 is C36H29N5Na2O8S2.

What is the molecular weight of Direct Yellow 34?

The molecular weight of Direct Yellow 34 is 769.13 g/mol.

Where can I buy Direct Yellow 34?

You can request a quote for Direct Yellow 34 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Yellow 34?

Yes, KEHONG BIO provides custom synthesis services for Direct Yellow 34 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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