Milling Red G structure

Milling Red G

TL;DR: Milling Red G (CAS 6661-25-2) is a chemical compound with molecular formula C32H22N4O8S3 and molecular weight 686.06 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

6-hydroxy-5-[[4-[4-[(2-hydroxy-6-sulfonaphthalen-1-yl)diazenyl]phenyl]sulfanylphenyl]diazenyl]naphthalene-2-sulfonic acid

Also Known As: Milling Red G, C.I. 25110, 2-Naphthalenesulfonic acid,5'-[thiobis(4,1-phenyleneazo)]bis[6-hydroxy-, disodium salt, 2-Naphthalenesulfonic acid,5'-[thiobis(p-phenyleneazo)]bis[6-hydroxy-, disodium salt

CAS: 6661-25-2
Molecular Formula C32H22N4O8S3
Molecular Weight 686.06 g/mol
LogP 6.8
Topological Polar Surface Area 241.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 13
Rotatable Bonds 8
Exact Mass 686.06
Heavy Atoms 47
Complexity 1220.0

Chemical Identifiers

CAS Number 6661-25-2
SMILES C1=CC(=CC=C1N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)O)O)SC4=CC=C(C=C4)N=NC5=C(C=CC6=C5C=CC(=C6)S(=O)(=O)O)O
InChIKey WFRSJMGBYITKEB-UHFFFAOYSA-N

Product Overview

Milling Red G (CAS 6661-25-2), with molecular formula C32H22N4O8S3 and molecular weight 686.06 g/mol. IUPAC: 6-hydroxy-5-[[4-[4-[(2-hydroxy-6-sulfonaphthalen-1-yl)diazenyl]phenyl]sulfanylphenyl]diazenyl]naphthalene-2-sulfonic acid.

🧪
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 Milling Red G

XLogP
6.8
TPSA (Topological Polar Surface Area)
241.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
13
Rotatable Bonds
8
Heavy Atoms
47
Complexity
1220.0
Exact Mass
686.06
Monoisotopic Mass
686.06
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 Milling Red G

The XLogP value of 6.8 indicates that Milling Red G is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 241.0 Ų indicates high polarity, suggesting Milling Red G may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Milling Red G has 4 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 Milling Red G?

The CAS number of Milling Red G is 6661-25-2.

What is the molecular formula of Milling Red G?

The molecular formula of Milling Red G is C32H22N4O8S3.

What is the molecular weight of Milling Red G?

The molecular weight of Milling Red G is 686.06 g/mol.

Where can I buy Milling Red G?

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

Does KEHONG BIO offer custom synthesis for Milling Red G?

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

🤖 科弘生物 AI 助手 ×
您好!我是 科弘生物 AI 助手。可以问我产品搜索、询价、样品或技术问题。如何帮助您?