Pigment Red 261
TL;DR: Pigment Red 261 (CAS 16195-23-6) is a chemical compound with molecular formula C32H26N4O5 and molecular weight 546.1903 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
3-hydroxy-N-(2-methoxyphenyl)-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl]naphthalene-2-carboxamide
Also Known As: Pigment Red 261, 1H-Pyrrole-2,5-dione,4-hydroxy-3-(2-(pyridyl)-4-thiazolyl), 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methoxyphenyl)-4-(2-(2-methoxy-5-((phenylamino)carbonyl)phenyl)diazenyl)-, 3-Hydroxy-N-(2-methoxyphenyl)-4-[[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl]naphthalene-2-carboxamide, 2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)-N-(2-methoxyphenyl)-
Technical Specifications
| Molecular Formula | C32H26N4O5 |
| Molecular Weight | 546.1903 g/mol |
| XLogP | 6.8 |
| Topological Polar Surface Area (TPSA) | 122.0 Ų |
| Hydrogen Bond Donors | 3 |
| Hydrogen Bond Acceptors | 7 |
| Rotatable Bonds | 8 |
| Exact Mass | 546.1903 Da |
| Heavy Atoms | 41 |
| Complexity | 895.0 |
| SMILES | COC1=C(C=C(C=C1)C(=O)NC2=CC=CC=C2)N=NC3=C(C(=CC4=CC=CC=C43)C(=O)NC5=CC=CC=C5OC)O |
| InChIKey | HTIYWMBRMPXSEQ-UHFFFAOYSA-N |
Chemical Property Profile of Pigment Red 261
Property Insights of Pigment Red 261
The XLogP value of 6.8 indicates that Pigment Red 261 is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 122.0 Ų falls within the moderate polarity range, balancing permeability and solubility for Pigment Red 261. Following Lipinski's Rule of Five, Pigment Red 261 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 CAS number of Pigment Red 261?
The CAS number of Pigment Red 261 is 16195-23-6.
What is the molecular formula of Pigment Red 261?
The molecular formula of Pigment Red 261 is C32H26N4O5.
What is the molecular weight of Pigment Red 261?
The molecular weight of Pigment Red 261 is 546.1903 g/mol.
Where can I buy Pigment Red 261?
You can request a quote for Pigment Red 261 directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Pigment Red 261?
Yes, CoreyChem provides custom synthesis services for Pigment Red 261 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.