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Fexinidazole

Also known as: 1-Methyl-2-((4-(methylthio)phenoxy)methyl)-5-nitro-1H-imidazole, 1-Methyl-2-((p-(methylthio)phenoxy)methyl)-5-nitroimidazole, 1-Methyl-2-[[4-(methylthio)phenoxy]methyl]-5-nitro-1H-imidazole, 1-Methyl-2-{[4-(methylsulfanyl)phenoxy]methyl}-5-nitro-1H-imidazole, 1-methyl-2-(4-methylsulfanyl-phenoxymethyl)-5-nitro-1H-imidazole, 1-methyl-2-(4-methylthiophenyl-oxymethyl)-5-nitro-imidazole, 1-methyl-2-[(4-methylsulfanylphenoxy)methyl]-5-nitroimidazole, 1H-Imidazole, 1-methyl-2-[[4-(methylthio)phenoxy]methyl]-5-nitro-, Fexinidazol, Fexinidazole (HOE 239), Fexinidazole, 10 mM in DMSO, Fexinidazolum, HOE 239, HOE-239, HOE239, Hoe-239, antitrypanosomal,nitroimidazole,sleeping,HOE239,Fexinidazole,T.brucei,sickness,orally,HOE-239,Inhibitor,inhibit,HAT,Parasite

Fexinidazole (CAS 59729-37-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H13N3O3S and a molecular weight of 279.315 g/mol. Key properties include a boiling point of 511.3±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 263.0±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59729-37-2
Jingsj CID
J-1956560-7
Molecular Formula
C12H13N3O3S
Molecular Weight
279.315 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point511.3±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point263.0±27.3 °C
Exact Mass279.067749
PSA98.17000
LogP2.28
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.629
Storage Conditions2-8℃

Activity & Biological Data

Additional Information[1]. Kaiser M, et al. Antitrypanosomal activity of fexinidazole, a new oral nitroimidazole drug candidate for treatment of sleeping sickness. Antimicrob Agents Chemother. 2011 Dec;55(12):5602-8.

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Fexinidazole?

The CAS number of Fexinidazole is 59729-37-2.

What are the molecular formula and molecular weight of Fexinidazole?

Fexinidazole has molecular formula C12H13N3O3S and molecular weight 279.315 g/mol.

What are the upstream and downstream products of Fexinidazole?

For Fexinidazole, Upstream Products: 4-(Methylthio)phenol, 1-Methyl-5-nitro-1H-imidazole-2-methanol, Phenol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Fexinidazole (CAS 59729-37-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956560-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.