Yellow 2G structure

Yellow 2G

TL;DR: Yellow 2G (CAS 25739-65-5) is a chemical compound with molecular formula C16H12Cl2N4O7S2 and molecular weight 505.95 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfophenyl)diazenyl]-4H-pyrazol-1-yl]benzenesulfonic acid

Also Known As: Yellow 2G, yellow2G, Acid yellow 17, C.I. Food Yellow 5, Acid Leather Yellow 2GL

CAS: 25739-65-5
Molecular Formula C16H12Cl2N4O7S2
Molecular Weight 505.95 g/mol
LogP 2.1
Topological Polar Surface Area 183.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 10
Rotatable Bonds 5
Exact Mass 505.95245
Heavy Atoms 31
Complexity 969.0

Chemical Identifiers

CAS Number 25739-65-5
SMILES CC1=NN(C(=O)C1N=NC2=CC=C(C=C2)S(=O)(=O)O)C3=CC(=C(C=C3Cl)S(=O)(=O)O)Cl
InChIKey DWYWPBYWDAZKNX-UHFFFAOYSA-N

Product Overview

Yellow 2G (CAS 25739-65-5), with molecular formula C16H12Cl2N4O7S2 and molecular weight 505.95 g/mol. IUPAC: 2,5-dichloro-4-[3-methyl-5-oxo-4-[(4-sulfophenyl)diazenyl]-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 Yellow 2G

XLogP
2.1
TPSA (Topological Polar Surface Area)
183.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
10
Rotatable Bonds
5
Heavy Atoms
31
Complexity
969.0
Exact Mass
505.95245
Monoisotopic Mass
505.95245
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 Yellow 2G

The XLogP value of 2.1 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Yellow 2G. The TPSA of 183.0 Ų indicates high polarity, suggesting Yellow 2G may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Yellow 2G has 2 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 Yellow 2G?

The CAS number of Yellow 2G is 25739-65-5.

What is the molecular formula of Yellow 2G?

The molecular formula of Yellow 2G is C16H12Cl2N4O7S2.

What is the molecular weight of Yellow 2G?

The molecular weight of Yellow 2G is 505.95 g/mol.

Where can I buy Yellow 2G?

You can request a quote for Yellow 2G directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Yellow 2G?

Yes, KEHONG BIO provides custom synthesis services for Yellow 2G and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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