Direct Red 20 free acid
TL;DR: Direct Red 20 free acid (CAS 25188-33-4) is a chemical compound with molecular formula C24H16ClN3O7S3 and molecular weight 588.98 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.
5-chloro-4-hydroxy-3-[[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid
Also Known As: Direct Red 20 free acid, C.i. direct Red 20 free acid, 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-((4-(6-methyl-2-benzothiazolyl)phenyl)azo)-, 2,7-Naphthalenedisulfonic acid, 5-chloro-4-hydroxy-3-(2-(4-(6-methyl-2-benzothiazolyl)phenyl)diazenyl)-, 5-chloro-3-[[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]hydrazinylidene]-4-oxonaphthalene-2,7-disulfonic acid
| Molecular Formula | C24H16ClN3O7S3 |
|---|---|
| Molecular Weight | 588.98 g/mol |
| LogP | 6.69272 |
| Topological Polar Surface Area | 166.58 Ų |
| Hydrogen Bond Donors | 3 |
| Hydrogen Bond Acceptors | 9 |
| Rotatable Bonds | 5 |
| Exact Mass | 588.9839 |
| Heavy Atoms | 38 |
| Complexity | 2004.5417 |
Chemical Identifiers
| CAS Number | 25188-33-4 |
|---|---|
| SMILES | CC1=CC2=C(C=C1)N=C(S2)C3=CC=C(C=C3)N=NC4=C(C5=C(C=C(C=C5C=C4S(=O)(=O)O)S(=O)(=O)O)Cl)O |
Product Overview
Direct Red 20 free acid (CAS 25188-33-4), with molecular formula C24H16ClN3O7S3 and molecular weight 588.98 g/mol. IUPAC: 5-chloro-4-hydroxy-3-[[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]diazenyl]naphthalene-2,7-disulfonic acid.
Chemical Property Profile of Direct Red 20 free acid
Property Insights of Direct Red 20 free acid
The XLogP value of 6.69272 indicates that Direct Red 20 free acid is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 166.58 Ų indicates high polarity, suggesting Direct Red 20 free acid may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Direct Red 20 free acid has 3 hydrogen bond donor(s) and 9 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
Frequently Asked Questions
Frequently Asked Questions
What is the CAS number of Direct Red 20 free acid?
The CAS number of Direct Red 20 free acid is 25188-33-4.
What is the molecular formula of Direct Red 20 free acid?
The molecular formula of Direct Red 20 free acid is C24H16ClN3O7S3.
What is the molecular weight of Direct Red 20 free acid?
The molecular weight of Direct Red 20 free acid is 588.98 g/mol.
Where can I buy Direct Red 20 free acid?
You can request a quote for Direct Red 20 free acid directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.
Does KEHONG BIO offer custom synthesis for Direct Red 20 free acid?
Yes, KEHONG BIO provides custom synthesis services for Direct Red 20 free acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.