FD&C Yellow No. 2
TL;DR: FD&C Yellow No. 2 (CAS 549-34-8) is a chemical compound with molecular formula C10H4K2N2O8S and molecular weight 389.90 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.
dipotassium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate
Also Known As: Sulfur Yellow S, Naphthol Yellow S, Dipotassium flavianate, FD&C Yellow No. 2, FD and C Yellow No. 2
| Molecular Formula | C10H4K2N2O8S |
|---|---|
| Molecular Weight | 389.90 g/mol |
| LogP | -5.36 |
| Topological Polar Surface Area | 180.0 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 8 |
| Rotatable Bonds | 0 |
| Exact Mass | 389.89624 |
| Heavy Atoms | 23 |
| Complexity | 519.0 |
Chemical Identifiers
| CAS Number | 549-34-8 |
|---|---|
| SMILES | C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[K+].[K+] |
| InChIKey | JEAVZHPHDNESJD-UHFFFAOYSA-L |
Product Overview
FD&C Yellow No. 2 (CAS 549-34-8), with molecular formula C10H4K2N2O8S and molecular weight 389.90 g/mol. IUPAC: dipotassium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate.
Chemical Property Profile of FD&C Yellow No. 2
Property Insights of FD&C Yellow No. 2
The XLogP value of -5.36 indicates that FD&C Yellow No. 2 is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. The TPSA of 180.0 Ų indicates high polarity, suggesting FD&C Yellow No. 2 may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, FD&C Yellow No. 2 has 0 hydrogen bond donor(s) and 8 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
Frequently Asked Questions
What is the CAS number of FD&C Yellow No. 2?
The CAS number of FD&C Yellow No. 2 is 549-34-8.
What is the molecular formula of FD&C Yellow No. 2?
The molecular formula of FD&C Yellow No. 2 is C10H4K2N2O8S.
What is the molecular weight of FD&C Yellow No. 2?
The molecular weight of FD&C Yellow No. 2 is 389.90 g/mol.
Where can I buy FD&C Yellow No. 2?
You can request a quote for FD&C Yellow 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 Yellow No. 2?
Yes, KEHONG BIO provides custom synthesis services for FD&C Yellow No. 2 and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.