CAS 68786-66-3|Triclabendazole

Introduction:Basic information about CAS 68786-66-3|Triclabendazole, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameTriclabendazole
CAS Number68786-66-3Molecular Weight359.658
Density1.6±0.1 g/cm3Boiling Point495.9±55.0 °C at 760 mmHg
Molecular FormulaC14H9Cl3N2OSMelting Point175-176°C
MSDSChineseUSAFlash Point253.7±31.5 °C

Names

NameTriclabendazole
SynonymMore Synonyms

Triclabendazole BiologicalActivity

DescriptionTriclabendazole(CGA89317) is a benzimidazole, it binds to tubulin impairing intracellular transport mechanisms and interferes with protein synthesis.Target: Microtubule/TubulinTriclabendazole treatment produces percentage decreases of the fluke egg output by 15.3%, 4.3% and 36.6%, respectively, in sheep, dairy cows and heifers, these results indicate the presence of TCBZ-resistant Fasciola hepatica in sheep and cattle on this farm [1]. Triclabendazole sulphoxide (50 mg/mL) results in extensive damage to the tegument of triclabendazole-susceptible F. hepatica, whereas triclabendazole-resistant flukes shows only localized and relatively minor disruption of the tegument covering the spines [2].Triclabendazole is metabolized into a number of compounds, depending on the route of administration, plasma levels peak at 18-24 hours (Triclabendazole sulphoxide) and 36-48 hours (Triclabendazole sulphone), neither Triclabendazole nor any toher metabolites can be detected in plasma. Triclabendazole sulphoxide blocks the transport of secretory bodies from the cell body to the tegumental surface, the block occurs at the site of their formation by the Golgi complex in the cell body, in their movement through the cytoplasmic connections to the syncytium, and in their movement from the base to the apex of the syncytium. Triclabendazole binds to the colchicine binding site on the β-tubulin molecule and this has been used at the basis for evaluating the relative acitvity of Triclabendazole [3].
Related CatalogSignaling Pathways >>Cell Cycle/DNA Damage >>Microtubule/TubulinSignaling Pathways >>Cytoskeleton >>Microtubule/TubulinResearch Areas >>Infection
References

[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.

Chemical & Physical Properties

Density1.6±0.1 g/cm3
Boiling Point495.9±55.0 °C at 760 mmHg
Melting Point175-176°C
Molecular FormulaC14H9Cl3N2OS
Molecular Weight359.658
Flash Point253.7±31.5 °C
Exact Mass357.950104
PSA63.21000
LogP5.97
Vapour Pressure0.0±1.3 mmHg at 25°C
Index of Refraction1.724
InChIKeyNQPDXQQQCQDHHW-UHFFFAOYSA-N
SMILESCSc1nc2cc(Oc3cccc(Cl)c3Cl)c(Cl)cc2[nH]1
StabilityStability

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DD6747000
CHEMICAL NAME :
1H-Benzimidazole, 5-chloro-6-(2,3-dichlorophenoxy)-2-(methylthio)-
CAS REGISTRY NUMBER :
68786-66-3
LAST UPDATED :
199106
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C14-H9-Cl3-N2-O-S
MOLECULAR WEIGHT :
359.66

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 21,227,1985
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 21,227,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 21,227,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>8 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 21,227,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
206 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MDACAP Medicamentos de Actualidad. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1965- Volume(issue)/page/year: 21,227,1985 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
800 mg/kg
SEX/DURATION :
female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 43,283,1987

Safety Information

Hazard StatementsH413
Personal Protective EquipmentEyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard CodesXn: Harmful;
Risk PhrasesR36/37/38
Safety PhrasesS26-S36
RIDADRNONH for all modes of transport
WGK Germany3
RTECSDD6747000
HS Code2933990090

Customs

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles38

More Articles
Time-course and accumulation of triclabendazole and its metabolites in bile, liver tissues and flukes collected from treated sheep.

Exp. Parasitol. 136 , 14-9, (2014)

The flukicidal compound triclabendazole (TCBZ) has a complex metabolic pattern that includes the systemic presence of its sulphoxide (TCBZ.SO) and sulphone (TCBZ.SO2) metabolites, usually recovered fr...

The anthelmintic triclabendazole and its metabolites inhibit the membrane transporter ABCG2/BCRP.

Antimicrob. Agents Chemother. 56(7) , 3535-43, (2012)

ABCG2/BCRP is an ATP-binding cassette transporter that extrudes compounds from cells in the intestine, liver, kidney, and other organs, such as the mammary gland, affecting pharmacokinetics and milk s...

Isothermal microcalorimetry to study the activity of triclabendazole and its metabolites on juvenile and adult Fasciola hepatica.

Exp. Parasitol. 133(3) , 265-8, (2013)

Isothermal microcalorimetry (IMC) is an analytical tool that continuously measures the heat flow generated by chemical, physical or biological processes. We have demonstrated that IMC is a useful tool...

Synonyms

Fasinex
MFCD00864519
Triclabendazole
6-Chloro-5-(2,3-dichlorophenoxy)-2-methylthio-benzimidazole
5-Chloro-6-(2,3-dichlorophenoxy)-2-(methylsulfanyl)-1H-benzimidazole
1H-Benzimidazole, 6-chloro-5-(2,3-dichlorophenoxy)-2-(methylthio)-
5-Chloro-6-(2,3-dichlorophenoxy)-2-methylthio-1H-benzimidazole
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