Acid Yellow 76 free acid structure

Acid Yellow 76 free acid

TL;DR: Acid Yellow 76 free acid (CAS 26455-70-9) is a chemical compound with molecular formula C23H20N4O7S2 and molecular weight 528.08 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

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

Also Known As: Acid Yellow 76 free acid, Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)-5-oxo-1H-pyrazol-1-yl)-, Benzenesulfonic acid, 4-(4,5-dihydro-3-methyl-4-(2-(4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)-5-oxo-1H-pyrazol-1-yl)-, Benzenesulfonic acid, p-(4-((p-hydroxyphenyl)azo)-3-methyl-5-oxo-2-pyrazolin-1-yl)-, p-toluenesulfonate (ester), 4-[(4Z)-3-methyl-4-[[4-(4-methylphenyl)sulfonyloxyphenyl]hydrazinylidene]-5-oxopyrazol-1-yl]benzenesulfonic acid

CAS: 26455-70-9
Molecular Formula C23H20N4O7S2
Molecular Weight 528.08 g/mol
LogP 4.0
Topological Polar Surface Area 172.0 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 10
Rotatable Bonds 7
Exact Mass 528.07733
Heavy Atoms 36
Complexity 1070.0

Chemical Identifiers

CAS Number 26455-70-9
SMILES CC1=CC=C(C=C1)S(=O)(=O)OC2=CC=C(C=C2)N=NC3=C(NN(C3=O)C4=CC=C(C=C4)S(=O)(=O)O)C
InChIKey UBQRJILBZSHWRL-UHFFFAOYSA-N

Product Overview

Acid Yellow 76 free acid (CAS 26455-70-9), with molecular formula C23H20N4O7S2 and molecular weight 528.08 g/mol. IUPAC: 4-[5-methyl-4-[[4-(4-methylphenyl)sulfonyloxyphenyl]diazenyl]-3-oxo-1H-pyrazol-2-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 Acid Yellow 76 free acid

XLogP
4.0
TPSA (Topological Polar Surface Area)
172.0
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
10
Rotatable Bonds
7
Heavy Atoms
36
Complexity
1070.0
Exact Mass
528.07733
Monoisotopic Mass
528.07733
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 Acid Yellow 76 free acid

The XLogP value of 4.0 indicates that Acid Yellow 76 free acid is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 172.0 Ų indicates high polarity, suggesting Acid Yellow 76 free acid may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Acid Yellow 76 free acid 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 Acid Yellow 76 free acid?

The CAS number of Acid Yellow 76 free acid is 26455-70-9.

What is the molecular formula of Acid Yellow 76 free acid?

The molecular formula of Acid Yellow 76 free acid is C23H20N4O7S2.

What is the molecular weight of Acid Yellow 76 free acid?

The molecular weight of Acid Yellow 76 free acid is 528.08 g/mol.

Where can I buy Acid Yellow 76 free acid?

You can request a quote for Acid Yellow 76 free acid directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Acid Yellow 76 free acid?

Yes, KEHONG BIO provides custom synthesis services for Acid Yellow 76 free acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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