Triclabendazole

Also known as: 5-Chloro-6-(2,3-dichlorophenoxy)-2-(methylthio)-1H-benzimidazole, 6-Chloro-5-(2,3-dichlorophenoxy)-2-(methylthio)benzimidazole, 5-Chloro-6-(2,3-dichlorophenoxy)-2-(methylsulfanyl)-1H-benzimidazole, CGA-89317, Fasinex, Egaten, MFCD00864519

Triclabendazole (CAS 68786-66-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H9Cl3N2OS and a molecular weight of 359.658 g/mol. Key properties include a melting point of 175-176°C, a boiling point of 495.9±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 253.7±31.5 °C. GHS hazard statements: H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 68786-66-3
Jingsj CID: J-32741-3
Molecular Formula: C₁₄H₉Cl₃N₂OS
Molecular Weight: 359.658 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	175-176°C
Boiling Point	495.9±55.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	253.7±31.5 °C
Exact Mass	357.950104
PSA	63.21000
LogP	5.97
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.724

GHS Safety & Compliance

H413

Activity & Biological Data

Additional Information	[1]. Moll, L., et al., Resistance of Fasciola hepatica against triclabendazole in cattle and sheep in The netherlands. Vet Parasitol, 2000. 91(1-2): p. 153-8. [2]. Robinson, M.W., et al., Triclabendazole-resistant Fasciola hepatica: beta-tubulin and response to in vitro treatment with triclabendazole. Parasitology, 2002. 124(Pt 3): p. 325-38. [3]. Fairweather, I., Triclabendazole: new skills to unravel an old(ish) enigma. J Helminthol, 2005. 79(3): p. 227-34.

Additional Information

[1]. Moll, L., et al., Resistance of Fasciola hepatica against triclabendazole in cattle and sheep in The netherlands. Vet Parasitol, 2000. 91(1-2): p. 153-8. [2]. Robinson, M.W., et al., Triclabendazole-resistant Fasciola hepatica: beta-tubulin and response to in vitro treatment with triclabendazole. Parasitology, 2002. 124(Pt 3): p. 325-38. [3]. Fairweather, I., Triclabendazole: new skills to unravel an old(ish) enigma. J Helminthol, 2005. 79(3): p. 227-34.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Triclabendazole?

The CAS number of Triclabendazole is 68786-66-3.

What are the molecular formula and molecular weight of Triclabendazole?

Triclabendazole has molecular formula C14H9Cl3N2OS and molecular weight 359.658 g/mol.

Is Triclabendazole hazardous?

Triclabendazole has GHS hazard statements H413.

What are the upstream and downstream products of Triclabendazole?

For Triclabendazole, Upstream Products: Dimethyl sulfate, iodomethane, 4-Chloro-5-(2,3-dichlorophenoxy)-2-nitroaniline; Downstream Products: Triclabendazole sulfoxide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Triclabendazole (CAS 68786-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32741-3 (accessed 2026-11-09).

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