Pigment Red 81:2 structure

Pigment Red 81:2

TL;DR: Pigment Red 81:2 (CAS 75627-12-2) is a chemical compound with molecular formula C27H30N2O3 and molecular weight 430.23 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

methyl 2-[3,6-bis(ethylamino)-2,7-dimethyl-1H-xanthen-9-yl]benzoate

Also Known As: Pigment Red 81:2, EINECS 278-270-6, Xanthylium, 3,6-bis(ethylamino)-9-[2-(methoxycarbonyl)phenyl]-2,7-dimethyl-, molybdatesilicate, methyl 2-[3,6-bis(ethylamino)-2,7-dimethyl-1H-xanthen-9-yl]benzoate, Xanthylium, 3,6-bis(ethylamino)-9-(2-(methoxycarbonyl)phenyl)-2,7-dimethyl-, molybdatesilicate

CAS: 75627-12-2
Molecular Formula C27H30N2O3
Molecular Weight 430.23 g/mol
LogP 5.57882
Topological Polar Surface Area 59.59 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 5
Rotatable Bonds 6
Exact Mass 430.22565
Heavy Atoms 32
Complexity 1171.4191

Chemical Identifiers

CAS Number 75627-12-2
SMILES CCNC1=CC2=C(C=C1C)C(=C3CC(=C(C=C3O2)NCC)C)C4=CC=CC=C4C(=O)OC

Product Overview

Pigment Red 81:2 (CAS 75627-12-2), with molecular formula C27H30N2O3 and molecular weight 430.23 g/mol. IUPAC: methyl 2-[3,6-bis(ethylamino)-2,7-dimethyl-1H-xanthen-9-yl]benzoate.

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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 81:2

XLogP
5.57882
TPSA (Topological Polar Surface Area)
59.59
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
5
Rotatable Bonds
6
Heavy Atoms
32
Complexity
1171.4191
Exact Mass
430.22565
Monoisotopic Mass
430.22565
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 81:2

The XLogP value of 5.57882 indicates that Pigment Red 81:2 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 59.59 Ų, Pigment Red 81:2 exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Pigment Red 81:2 has 2 hydrogen bond donor(s) and 5 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 81:2?

The CAS number of Pigment Red 81:2 is 75627-12-2.

What is the molecular formula of Pigment Red 81:2?

The molecular formula of Pigment Red 81:2 is C27H30N2O3.

What is the molecular weight of Pigment Red 81:2?

The molecular weight of Pigment Red 81:2 is 430.23 g/mol.

Where can I buy Pigment Red 81:2?

You can request a quote for Pigment Red 81:2 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pigment Red 81:2?

Yes, KEHONG BIO provides custom synthesis services for Pigment Red 81:2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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