Pigment red 42 structure

Pigment red 42

TL;DR: Pigment red 42 (CAS 6358-90-3) is a chemical compound with molecular formula C38H34N8O8 and molecular weight 730.25 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

ethyl 4-[[4-[4-[(3-ethoxycarbonyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-oxo-1-phenyl-4H-pyrazole-3-carboxylate

Also Known As: Pigment red 42, C.I. Pigment Red 42, C.I.Pigment Red 42, Diethyl 4,4'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate), Diethyl 4,4'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydro-5-oxo-1-phenyl-1H-pyrazole-3-carboxylate]

CAS: 6358-90-3
Molecular Formula C38H34N8O8
Molecular Weight 730.25 g/mol
LogP 6.9
Topological Polar Surface Area 186.0 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 14
Rotatable Bonds 15
Exact Mass 730.24994
Heavy Atoms 54
Complexity 1370.0

Chemical Identifiers

CAS Number 6358-90-3
SMILES CCOC(=O)C1=NN(C(=O)C1N=NC2=C(C=C(C=C2)C3=CC(=C(C=C3)N=NC4C(=NN(C4=O)C5=CC=CC=C5)C(=O)OCC)OC)OC)C6=CC=CC=C6
InChIKey XKVXTRFJPVNNQZ-UHFFFAOYSA-N

Product Overview

Pigment red 42 (CAS 6358-90-3), with molecular formula C38H34N8O8 and molecular weight 730.25 g/mol. IUPAC: ethyl 4-[[4-[4-[(3-ethoxycarbonyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-3-methoxyphenyl]-2-methoxyphenyl]diazenyl]-5-oxo-1-phenyl-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 Pigment red 42

XLogP
6.9
TPSA (Topological Polar Surface Area)
186.0
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
14
Rotatable Bonds
15
Heavy Atoms
54
Complexity
1370.0
Exact Mass
730.24994
Monoisotopic Mass
730.24994
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 Pigment red 42

The XLogP value of 6.9 indicates that Pigment red 42 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 186.0 Ų indicates high polarity, suggesting Pigment red 42 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Pigment red 42 has 0 hydrogen bond donor(s) and 14 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 Pigment red 42?

The CAS number of Pigment red 42 is 6358-90-3.

What is the molecular formula of Pigment red 42?

The molecular formula of Pigment red 42 is C38H34N8O8.

What is the molecular weight of Pigment red 42?

The molecular weight of Pigment red 42 is 730.25 g/mol.

Where can I buy Pigment red 42?

You can request a quote for Pigment red 42 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pigment red 42?

Yes, KEHONG BIO provides custom synthesis services for Pigment red 42 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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