Pigment Red 11 structure

Pigment Red 11

TL;DR: Pigment Red 11 (CAS 6535-48-4) is a chemical compound with molecular formula C25H19Cl2N3O2 and molecular weight 463.09 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

N-(5-chloro-2-methylphenyl)-4-[(5-chloro-2-methylphenyl)diazenyl]-3-hydroxynaphthalene-2-carboxamide

Also Known As: Pigment Red 11, C.I.Pigment Red 11, C.I. Pigment Red 11, 2-Naphthalenecarboxamide, N-(5-chloro-2-methylphenyl)-4-[(5-chloro-2-methylphenyl)azo]-3-hydroxy-, 2-Naphthalenecarboxamide, N-(5-chloro-2-methylphenyl)-4-((5-chloro-2-methylphenyl)azo)-3-hydroxy-

CAS: 6535-48-4
Molecular Formula C25H19Cl2N3O2
Molecular Weight 463.09 g/mol
LogP 8.0
Topological Polar Surface Area 74.1 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 4
Rotatable Bonds 4
Exact Mass 463.08542
Heavy Atoms 32
Complexity 678.0

Chemical Identifiers

CAS Number 6535-48-4
SMILES CC1=C(C=C(C=C1)Cl)NC(=O)C2=CC3=CC=CC=C3C(=C2O)N=NC4=C(C=CC(=C4)Cl)C
InChIKey QXBPSANXMNTNKH-UHFFFAOYSA-N

Product Overview

Pigment Red 11 (CAS 6535-48-4), with molecular formula C25H19Cl2N3O2 and molecular weight 463.09 g/mol. IUPAC: N-(5-chloro-2-methylphenyl)-4-[(5-chloro-2-methylphenyl)diazenyl]-3-hydroxynaphthalene-2-carboxamide.

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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 11

XLogP
8.0
TPSA (Topological Polar Surface Area)
74.1
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
Rotatable Bonds
4
Heavy Atoms
32
Complexity
678.0
Exact Mass
463.08542
Monoisotopic Mass
463.08542
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 11

The XLogP value of 8.0 indicates that Pigment Red 11 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 74.1 Ų falls within the moderate polarity range, balancing permeability and solubility for Pigment Red 11. Following Lipinski's Rule of Five, Pigment Red 11 has 2 hydrogen bond donor(s) and 4 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 11?

The CAS number of Pigment Red 11 is 6535-48-4.

What is the molecular formula of Pigment Red 11?

The molecular formula of Pigment Red 11 is C25H19Cl2N3O2.

What is the molecular weight of Pigment Red 11?

The molecular weight of Pigment Red 11 is 463.09 g/mol.

Where can I buy Pigment Red 11?

You can request a quote for Pigment Red 11 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pigment Red 11?

Yes, KEHONG BIO provides custom synthesis services for Pigment Red 11 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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