FD&C Red No. 2
TL;DR: FD&C Red No. 2 (CAS 642-59-1) is a chemical compound with molecular formula C20H14N2O10S3 and molecular weight 537.98 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.
3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid
Also Known As: amaranth acid, amarante, Amaranth S, Bordeaux S, Amaranthe
| Molecular Formula | C20H14N2O10S3 |
|---|---|
| Molecular Weight | 537.98 g/mol |
| LogP | 2.6 |
| Topological Polar Surface Area | 233.0 Ų |
| Hydrogen Bond Donors | 4 |
| Hydrogen Bond Acceptors | 12 |
| Rotatable Bonds | 5 |
| Exact Mass | 537.9811 |
| Heavy Atoms | 35 |
| Complexity | 1120.0 |
Chemical Identifiers
| CAS Number | 642-59-1 |
|---|---|
| SMILES | C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)O)N=NC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O |
| InChIKey | IRPXADUBAQAOKL-UHFFFAOYSA-N |
Patent-Derived Application Labels
Derived from 9 IPC patent classification(s) across the SureChEMBL global patent database.
Product Overview
FD&C Red No. 2 (CAS 642-59-1), with molecular formula C20H14N2O10S3 and molecular weight 537.98 g/mol. IUPAC: 3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid.
Chemical Property Profile of FD&C Red No. 2
Property Insights of FD&C Red No. 2
The XLogP value of 2.6 suggests moderate lipophilicity, balancing water solubility and membrane permeability for FD&C Red No. 2. The TPSA of 233.0 Ų indicates high polarity, suggesting FD&C Red No. 2 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, FD&C Red No. 2 has 4 hydrogen bond donor(s) and 12 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.
Frequently Asked Questions
Frequently Asked Questions
What is the CAS number of FD&C Red No. 2?
The CAS number of FD&C Red No. 2 is 642-59-1.
What is the molecular formula of FD&C Red No. 2?
The molecular formula of FD&C Red No. 2 is C20H14N2O10S3.
What is the molecular weight of FD&C Red No. 2?
The molecular weight of FD&C Red No. 2 is 537.98 g/mol.
Where can I buy FD&C Red No. 2?
You can request a quote for FD&C Red No. 2 directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.
Does KEHONG BIO offer custom synthesis for FD&C Red No. 2?
Yes, KEHONG BIO provides custom synthesis services for FD&C Red No. 2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.