Pyrimethamine; sulfadoxine structure

Pyrimethamine; sulfadoxine

TL;DR: Pyrimethamine; sulfadoxine (CAS 37338-39-9) is a chemical compound with molecular formula C24H27ClN8O4S and molecular weight 558.16 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

4-amino-N-(5,6-dimethoxypyrimidin-4-yl)benzenesulfonamide;5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine

Also Known As: Fansidar, Suldox, Fansidar (TN), sulfadoxine-pyrimethamine, Pyrimethamine-sulfadoxine

CAS: 37338-39-9
Molecular Formula C24H27ClN8O4S
Molecular Weight 558.16 g/mol
LogP 3.4
Topological Polar Surface Area 203.0 Ų
Hydrogen Bond Donors 4
Hydrogen Bond Acceptors 12
Rotatable Bonds 7
Exact Mass 558.15643
Heavy Atoms 38
Complexity 662.0

Chemical Identifiers

CAS Number 37338-39-9
SMILES CCC1=C(C(=NC(=N1)N)N)C2=CC=C(C=C2)Cl.COC1=C(N=CN=C1OC)NS(=O)(=O)C2=CC=C(C=C2)N
InChIKey LUBUTTBEBGYNJN-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 8 IPC patent classification(s) across the SureChEMBL global patent database.

Agrochemicals (10 patents) Analytical Reagents (14 patents) Biotechnology (16 patents) Heterocyclic Building Blocks (276 patents) Organic Building Blocks (38 patents) +3 more

Product Overview

Pyrimethamine; sulfadoxine (CAS 37338-39-9), with molecular formula C24H27ClN8O4S and molecular weight 558.16 g/mol. IUPAC: 4-amino-N-(5,6-dimethoxypyrimidin-4-yl)benzenesulfonamide;5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine.

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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 Pyrimethamine; sulfadoxine

XLogP
3.4
TPSA (Topological Polar Surface Area)
203.0
Hydrogen Bond Donors
4
Hydrogen Bond Acceptors
12
Rotatable Bonds
7
Heavy Atoms
38
Complexity
662.0
Exact Mass
558.15643
Monoisotopic Mass
558.15643
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 Pyrimethamine; sulfadoxine

The XLogP value of 3.4 indicates that Pyrimethamine; sulfadoxine is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 203.0 Ų indicates high polarity, suggesting Pyrimethamine; sulfadoxine may have limited membrane permeability but good aqueous solubility. Following Lipinski's Rule of Five, Pyrimethamine; sulfadoxine has 4 hydrogen bond donor(s) and 12 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 Pyrimethamine; sulfadoxine?

The CAS number of Pyrimethamine; sulfadoxine is 37338-39-9.

What is the molecular formula of Pyrimethamine; sulfadoxine?

The molecular formula of Pyrimethamine; sulfadoxine is C24H27ClN8O4S.

What is the molecular weight of Pyrimethamine; sulfadoxine?

The molecular weight of Pyrimethamine; sulfadoxine is 558.16 g/mol.

Where can I buy Pyrimethamine; sulfadoxine?

You can request a quote for Pyrimethamine; sulfadoxine directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for Pyrimethamine; sulfadoxine?

Yes, KEHONG BIO provides custom synthesis services for Pyrimethamine; sulfadoxine and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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