proguanil   Click here for help

GtoPdb Ligand ID: 9676

Synonyms: Bigumal® | chloroguanide | Paludrine®
Approved drug PDB Ligand Antimalarial Ligand
proguanil is an approved drug (FDA (2000) in combination with atovaquone)
Compound class: Synthetic organic
Comment: Proguanil is a biguanide derivative that, once administered, is converted to the active metabolite cycloguanil. It is an antimalarial drug, used in combination with atovaquone or with chloroquine.
The marketed formulations contain proguanil hydrochloride (PubChem CID 9570076).
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 5
Hydrogen bond donors 3
Rotatable bonds 4
Topological polar surface area 88.79
Molecular weight 253.11
XLogP 1.84
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES CC(N=C(/N=C(/Nc1ccc(cc1)Cl)\N)N)C
Isomeric SMILES CC(N=C(/N=C(/Nc1ccc(cc1)Cl)\N)N)C
InChI InChI=1S/C11H16ClN5/c1-7(2)15-10(13)17-11(14)16-9-5-3-8(12)4-6-9/h3-7H,1-2H3,(H5,13,14,15,16,17)
InChI Key SSOLNOMRVKKSON-UHFFFAOYSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
Classification Click here for help
Compound class Synthetic organic
Ligand families/groups Antimalarial ligands
Approved drug? Yes (FDA (2000) in combination with atovaquone)
WHO Essential Medicine WHO Essential Medicines List (EML) (23rd List, 2023). Access PDF version.
Click to view more information about the WHO Model Lists of Essential Medicines.
IUPAC Name Click here for help
(1E)-1-[amino-(4-chloroanilino)methylidene]-2-propan-2-ylguanidine
International Nonproprietary Names Click here for help
INN number INN
418 proguanil
Synonyms Click here for help
Bigumal® | chloroguanide | Paludrine®
Database Links Click here for help
CAS Registry No. 500-92-5 (source: Scifinder)
ChEBI CHEBI:8455
ChEMBL Ligand CHEMBL1377
DrugBank Ligand DB01131
DrugCentral Ligand 2282
GtoPdb PubChem SID 348353635
PubChem CID 6178111
RCSB PDB Ligand XEW
Search Google for chemical match using the InChIKey SSOLNOMRVKKSON-UHFFFAOYSA-N
Search Google for chemicals with the same backbone SSOLNOMRVKKSON
Search PubMed clinical trials proguanil
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UniChem Compound Search for chemical match using the InChIKey SSOLNOMRVKKSON-UHFFFAOYSA-N
UniChem Connectivity Search for chemical match using the InChIKey SSOLNOMRVKKSON-UHFFFAOYSA-N
Wikipedia Proguanil