C.I. Acid Yellow 17 structure

C.I. Acid Yellow 17

TL;DR: C.I. Acid Yellow 17 (CAS 744162-57-0) 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-[5-methyl-3-oxo-4-[(4-sulfophenyl)diazenyl]-1H-pyrazol-2-yl]benzenesulfonic acid

Also Known As: Yellow 2G, Acid yellow 17, C.I. Food Yellow 5, C.I. Acid Yellow 17, lissamine fast yellow (acid form)

CAS: 744162-57-0
Molecular Formula C16H12Cl2N4O7S2
Molecular Weight 505.95 g/mol
LogP 3.68962
Topological Polar Surface Area 171.25 Ų
Hydrogen Bond Donors 3
Hydrogen Bond Acceptors 7
Rotatable Bonds 5
Exact Mass 505.95245
Heavy Atoms 31
Complexity 1475.3401

Chemical Identifiers

CAS Number 744162-57-0
SMILES CC1=C(C(=O)N(N1)C2=CC(=C(C=C2Cl)S(=O)(=O)O)Cl)N=NC3=CC=C(C=C3)S(=O)(=O)O

Product Overview

C.I. Acid Yellow 17 (CAS 744162-57-0), with molecular formula C16H12Cl2N4O7S2 and molecular weight 505.95 g/mol. IUPAC: 2,5-dichloro-4-[5-methyl-3-oxo-4-[(4-sulfophenyl)diazenyl]-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 C.I. Acid Yellow 17

XLogP
3.68962
TPSA (Topological Polar Surface Area)
171.25
Hydrogen Bond Donors
3
Hydrogen Bond Acceptors
7
Rotatable Bonds
5
Heavy Atoms
31
Complexity
1475.3401
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 C.I. Acid Yellow 17

The XLogP value of 3.68962 indicates that C.I. Acid Yellow 17 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 171.25 Ų indicates high polarity, suggesting C.I. Acid Yellow 17 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, C.I. Acid Yellow 17 has 3 hydrogen bond donor(s) and 7 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 C.I. Acid Yellow 17?

The CAS number of C.I. Acid Yellow 17 is 744162-57-0.

What is the molecular formula of C.I. Acid Yellow 17?

The molecular formula of C.I. Acid Yellow 17 is C16H12Cl2N4O7S2.

What is the molecular weight of C.I. Acid Yellow 17?

The molecular weight of C.I. Acid Yellow 17 is 505.95 g/mol.

Where can I buy C.I. Acid Yellow 17?

You can request a quote for C.I. Acid Yellow 17 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for C.I. Acid Yellow 17?

Yes, KEHONG BIO provides custom synthesis services for C.I. Acid Yellow 17 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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