Proguanil Proguanil (chlorguanide, chloroguanide) is a prophylactic antimalarial drug. It inhibits the dihydrofolate reductase of plasmodia and thereby blocks the biosynthesis of purines and pyrimidines, which are essential for DNA synthesis and cell multiplication.

Specifications

Synonyms

Specifications & Purity

Moligand™, ≥96%

Biochemical and Physiological Mechanisms

Proguanil (chlorguanide, chloroguanide) is a prophylactic antimalarial drug. It inhibits the dihydrofolate reductase of plasmodia and thereby blocks the biosynthesis of purines and pyrimidines, which are essential for DNA synthesis and cell multiplication

Storage

Store at -20°C

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Moligand™

Purity

≥96%

Product Properties

ALogP	2.226
HBD Count	3
Rotatable Bond	6

Names and Identifiers

Pubchem Sid	504764028
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504764028
Canonical Smiles	CC(C)N=C(N)N=C(N)NC1=CC=C(C=C1)Cl
IUPAC Name	(1E)-1-[amino-(4-chloroanilino)methylidene]-2-propan-2-ylguanidine
InChIKey	SSOLNOMRVKKSON-UHFFFAOYSA-N
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)
Isomeric SMILES	CC(C)N=C(N)/N=C(\N)/NC1=CC=C(C=C1)Cl
PubChem CID	6178111
Molecular Weight	253.73

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic nitrogen compounds
  - Class Organonitrogen compounds
    - Subclass Guanidines
      - Level5 Biguanides
        Level6 Arylbiguanides
        Level7 1-arylbiguanides

Kingdom	Organic compounds
Superclass	Organic nitrogen compounds
Class	Organonitrogen compounds
Subclass	Guanidines
Intermediate Tree Nodes	Biguanides - Arylbiguanides
Direct Parent	1-arylbiguanides
Alternative Parents	Chlorobenzenes Aryl chlorides Carboximidamides Organopnictogen compounds Organochlorides Imines Hydrocarbon derivatives
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	1-arylbiguanide - Halobenzene - Chlorobenzene - Benzenoid - Monocyclic benzene moiety - Aryl halide - Aryl chloride - Carboximidamide - Organopnictogen compound - Hydrocarbon derivative - Organochloride - Organohalogen compound - Imine - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as 1-arylbiguanides. These are organonitrogen compounds containing a biguanide that is N-arylsubstituted at only the 1-position.
External Descriptors	monochlorobenzenes - biguanides
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

F2 Tclin Thrombin (11687 Activities)

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ESR1 Tclin Estrogen receptor alpha (17718 Activities)

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PGR Tclin Progesterone receptor (8562 Activities)

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CHRM2 Tclin Muscarinic acetylcholine receptor M2 (10671 Activities)

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HTR1A Tclin Serotonin 1a (5-HT1a) receptor (14969 Activities)

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ADRA2A Tclin Alpha-2a adrenergic receptor (9450 Activities)

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AR Tclin Androgen Receptor (11781 Activities)

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CHRM1 Tclin Muscarinic acetylcholine receptor M1 (12690 Activities)

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MAOA Tclin Monoamine oxidase A (11911 Activities)

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DRD1 Tclin Dopamine D1 receptor (9720 Activities)

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ACHE Tclin Acetylcholinesterase (18204 Activities)

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PTGS1 Tclin Cyclooxygenase-1 (9233 Activities)

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SLC6A2 Tclin Norepinephrine transporter (10102 Activities)

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SLC6A4 Tclin Serotonin transporter (12625 Activities)

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ADRA1A Tclin Alpha-1a adrenergic receptor (8359 Activities)

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OPRM1 Tclin Mu opioid receptor (19785 Activities)

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DRD3 Tclin Dopamine D3 receptor (14368 Activities)

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SLC6A3 Tclin Dopamine transporter (10535 Activities)

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KCNH2 Tclin HERG (29587 Activities)

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PDE3A Tclin Phosphodiesterase 3A (3309 Activities)

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HTR2B Tclin Serotonin 2b (5-HT2b) receptor (10323 Activities)

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TBXA2R Tclin Thromboxane A2 receptor (5717 Activities)

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PDE4A Tclin Phosphodiesterase 4A (1943 Activities)

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ADORA3 Tchem Adenosine A3 receptor (15931 Activities)

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HRH3 Tclin Histamine H3 receptor (10389 Activities)

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KDR Tclin Vascular endothelial growth factor receptor 2 (20924 Activities)

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CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)

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CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)

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CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)

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CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)

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CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)

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Homo sapiens (32628 Activities)

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T-24 (2342 Activities)

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UMUC3 (278 Activities)

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A549 (127892 Activities)

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HCT-116 (91556 Activities)

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A2780 (11979 Activities)

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HeLa (62764 Activities)

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ABCG2 Tchem ATP-binding cassette sub-family G member 2 (4927 Activities)

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LMNA Tbio Prelamin-A/C (36751 Activities)

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PMP22 Tbio Peripheral myelin protein 22 (699 Activities)

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PRKAA2 Tchem AMP-activated protein kinase, AMPK (12273 Activities)

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TAAR5 Tchem Trace amine-associated receptor 5 (2 Activities)

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Associated Targets(non-human)

Hdac6 Histone deacetylase 6 (222 Activities)

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Streptococcus mutans (2687 Activities)

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Plasmodium falciparum (966862 Activities)

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Human respirovirus 3 (1674 Activities)

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Influenza B virus (2113 Activities)

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Sindbis virus (1599 Activities)

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Yellow fever virus (1530 Activities)

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Vesicular stomatitis virus (4460 Activities)

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Influenza A virus (11224 Activities)

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Punta Toro virus (1491 Activities)

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Coxsackievirus B4 (2249 Activities)

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Respiratory syncytial virus (3434 Activities)

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MDCK (10148 Activities)

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Vero (26788 Activities)

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Taar1 Trace amine-associated receptor 1 (899 Activities)

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Mammalian orthoreovirus 1 (1523 Activities)

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SARS-CoV-2 (38078 Activities)

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Mechanisms of Action

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot Number	Certificate Type	Date	Item
C23031128	Certificate of Analysis	Dec 12, 2025	P413369
C23031140	Certificate of Analysis	Dec 12, 2025	P413369
C23031177	Certificate of Analysis	Dec 12, 2025	P413369
C23031188	Certificate of Analysis	Dec 12, 2025	P413369

Chemical and Physical Properties

Solubility	Solubility (25°C) In vitro DMSO: 51 mg/mL (201.0 mM); Ethanol: 51 mg/mL (201.0 mM); Water: Insoluble;
DMSO(mg / mL) Max Solubility	51
DMSO(mM) Max Solubility	201.001064123281
Water(mg / mL) Max Solubility	1
Water(mM) Max Solubility	3.9411973357506
Molecular Weight	253.730 g/mol
XLogP3	1.500
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	4
Exact Mass	253.109 Da
Monoisotopic Mass	253.109 Da
Topological Polar Surface Area	88.800 Å²
Heavy Atom Count	17
Formal Charge	0
Complexity	292.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	1
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	1
Covalently-Bonded Unit Count	1

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Reviews

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Proguanil - Moligand™, ≥96% , CAS No.500-92-5

Why this grade

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

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