Polar Yellow structure

Polar Yellow

TL;DR: Polar Yellow (CAS 6372-96-9) is a chemical compound with molecular formula C23H19ClN4O7S2 and molecular weight 562.04 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

5-chloro-2-[3-methyl-4-[[4-(4-methylphenyl)sulfonyloxyphenyl]diazenyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonic acid

Also Known As: Polar Yellow, Milling Yellow E, Polar Yellow 2G, Polar Yellow 5G, Sandofast Yellow N

CAS: 6372-96-9
Molecular Formula C23H19ClN4O7S2
Molecular Weight 562.04 g/mol
LogP 4.2
Topological Polar Surface Area 172.0 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 10
Rotatable Bonds 7
Exact Mass 562.0384
Heavy Atoms 37
Complexity 1100.0

Chemical Identifiers

CAS Number 6372-96-9
SMILES CC1=CC=C(C=C1)S(=O)(=O)OC2=CC=C(C=C2)N=NC3C(=NN(C3=O)C4=C(C=C(C=C4)Cl)S(=O)(=O)O)C
InChIKey FUIFCOARNSUCDE-UHFFFAOYSA-N

Product Overview

Polar Yellow (CAS 6372-96-9), with molecular formula C23H19ClN4O7S2 and molecular weight 562.04 g/mol. IUPAC: 5-chloro-2-[3-methyl-4-[[4-(4-methylphenyl)sulfonyloxyphenyl]diazenyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonic 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 Polar Yellow

XLogP
4.2
TPSA (Topological Polar Surface Area)
172.0
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
10
Rotatable Bonds
7
Heavy Atoms
37
Complexity
1100.0
Exact Mass
562.0384
Monoisotopic Mass
562.0384
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 Polar Yellow

The XLogP value of 4.2 indicates that Polar Yellow is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 172.0 Ų indicates high polarity, suggesting Polar Yellow may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Polar Yellow has 1 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 Polar Yellow?

The CAS number of Polar Yellow is 6372-96-9.

What is the molecular formula of Polar Yellow?

The molecular formula of Polar Yellow is C23H19ClN4O7S2.

What is the molecular weight of Polar Yellow?

The molecular weight of Polar Yellow is 562.04 g/mol.

Where can I buy Polar Yellow?

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

Does KEHONG BIO offer custom synthesis for Polar Yellow?

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

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