Direct Brown 59 structure

Direct Brown 59

TL;DR: Direct Brown 59 (CAS 3476-90-2) is a chemical compound with molecular formula C35H25N5O7S and molecular weight 659.15 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(3Z)-3-[[4-[4-[(2E)-2-(7-anilino-1-oxo-3-sulfonaphthalen-2-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid

Also Known As: Direct Brown 59, Direct Fast Brown B, EINECS 222-450-9, C.I. Direct Brown 59, disodium salt, Benzoic acid, 2-hydroxy-5-((4'-((1-hydroxy-7-(phenylamino)-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt

CAS: 3476-90-2
Molecular Formula C35H25N5O7S
Molecular Weight 659.15 g/mol
LogP 5.9081
Topological Polar Surface Area 186.62 Ų
Hydrogen Bond Donors 5
Hydrogen Bond Acceptors 10
Rotatable Bonds 9
Exact Mass 659.14746
Heavy Atoms 48
Complexity 2221.0793

Chemical Identifiers

CAS Number 3476-90-2
SMILES C1=CC=C(C=C1)NC2=CC3=C(C=C2)C=C(/C(=N/NC4=CC=C(C=C4)C5=CC=C(C=C5)N/N=C\6/C=CC(=O)C(=C6)C(=O)O)/C3=O)S(=O)(=O)O

Product Overview

Direct Brown 59 (CAS 3476-90-2), with molecular formula C35H25N5O7S and molecular weight 659.15 g/mol. IUPAC: (3Z)-3-[[4-[4-[(2E)-2-(7-anilino-1-oxo-3-sulfonaphthalen-2-ylidene)hydrazinyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic 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 Brown 59

XLogP
5.9081
TPSA (Topological Polar Surface Area)
186.62
Hydrogen Bond Donors
5
Hydrogen Bond Acceptors
10
Rotatable Bonds
9
Heavy Atoms
48
Complexity
2221.0793
Exact Mass
659.14746
Monoisotopic Mass
659.14746
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 Brown 59

The XLogP value of 5.9081 indicates that Direct Brown 59 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 186.62 Ų indicates high polarity, suggesting Direct Brown 59 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Brown 59 has 5 hydrogen bond donor(s) and 10 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 Brown 59?

The CAS number of Direct Brown 59 is 3476-90-2.

What is the molecular formula of Direct Brown 59?

The molecular formula of Direct Brown 59 is C35H25N5O7S.

What is the molecular weight of Direct Brown 59?

The molecular weight of Direct Brown 59 is 659.15 g/mol.

Where can I buy Direct Brown 59?

You can request a quote for Direct Brown 59 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Direct Brown 59?

Yes, KEHONG BIO provides custom synthesis services for Direct Brown 59 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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