Acid Yellow 27 structure

Acid Yellow 27

TL;DR: Acid Yellow 27 (CAS 1934-22-1) is a chemical compound with molecular formula C16H10N4Na2O6S and molecular weight 432.01 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

disodium;5-oxo-4-phenyldiazenyl-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate

Also Known As: Acid Yellow 27, Tartrazine Impurity 3, Tartrazine Impurity 5, EINECS 217-700-9, C.I. Acid Yellow 27, disodium salt

CAS: 1934-22-1
Molecular Formula C16H10N4Na2O6S
Molecular Weight 432.01 g/mol
LogP -5.7963
Topological Polar Surface Area 154.72 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 9
Rotatable Bonds 5
Exact Mass 432.01166
Heavy Atoms 29
Complexity 1058.5774

Chemical Identifiers

CAS Number 1934-22-1
SMILES C1=CC=C(C=C1)N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-].[Na+].[Na+]

Product Overview

Acid Yellow 27 (CAS 1934-22-1), with molecular formula C16H10N4Na2O6S and molecular weight 432.01 g/mol. IUPAC: disodium;5-oxo-4-phenyldiazenyl-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate.

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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 27

XLogP
-5.7963
TPSA (Topological Polar Surface Area)
154.72
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
9
Rotatable Bonds
5
Heavy Atoms
29
Complexity
1058.5774
Exact Mass
432.01166
Monoisotopic Mass
432.01166
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 27

The XLogP value of -5.7963 indicates that Acid Yellow 27 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 154.72 Ų indicates high polarity, suggesting Acid Yellow 27 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Acid Yellow 27 has 0 hydrogen bond donor(s) and 9 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

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 27?

The CAS number of Acid Yellow 27 is 1934-22-1.

What is the molecular formula of Acid Yellow 27?

The molecular formula of Acid Yellow 27 is C16H10N4Na2O6S.

What is the molecular weight of Acid Yellow 27?

The molecular weight of Acid Yellow 27 is 432.01 g/mol.

Where can I buy Acid Yellow 27?

You can request a quote for Acid Yellow 27 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Acid Yellow 27?

Yes, KEHONG BIO provides custom synthesis services for Acid Yellow 27 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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