Fenbendazole

About Fenbendazole

Fenbendazole is an impurity of Febantel carrying the CAS registry number 43210-67-9. With the molecular formula C15H13N3O2S, it has a molar mass of 299.3 g/mol. Systematically, it is named methyl N-(6-phenylsulfanyl-1H-benzimidazol-2-yl)carbamate. Alternative names: Fenbendazol and Phenbendasol.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Febantel impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Febantel

View every impurity, metabolite and intermediate we list for Febantel.

Febantel impurities

Specifications & identifiers

Chemical identifiers
Product name	Fenbendazole
Catalogue No.	VQ-022636
CAS Number	43210-67-9
IUPAC name	methyl N-(6-phenylsulfanyl-1H-benzimidazol-2-yl)carbamate
Molecular formula	C₁₅H₁₃N₃O₂S
Molecular weight	299.3 g/mol
Exact mass	299.0728
Grade	Reference Standard
HSN code	38229090
InChIKey	HDDSHPAODJUKPD-UHFFFAOYSA-N
SMILES	COC(=O)NC1=NC2=C(N1)C=C(C=C2)SC3=CC=CC=C3
PubChem CID	3334

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
H-bond donors / acceptors	2 / 4
TPSA	92.3 Å²
Synonyms	Fenbendazol, Phenbendasol, Hoe 881v, Methyl 5-(phenylthio)-2-benzimidazolecarbamate, Safe-quard, Safe-Guard, HOE-881v, Panacur aquasol, 2-(Methoxycarbonylamino)-5-(phenylthio)benzimidazole, Fenbendazole for veterinary use, HOE-881Y, Carbamic acid, (5-(phenylthio)-1H-benzimidazol-2-yl)-, methyl ester

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P260, P273, P280, P318, P319, P391, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Fenbendazole?

The CAS Registry Number of Fenbendazole is 43210-67-9. It is also known as Fenbendazol, Phenbendasol, Hoe 881v.

What is the molecular formula and molecular weight of Fenbendazole?

Fenbendazole has the molecular formula C15H13N3O2S and a molecular weight of 299.3 g/mol. Its IUPAC name is methyl N-(6-phenylsulfanyl-1H-benzimidazol-2-yl)carbamate.

What is Fenbendazole used for?

Fenbendazole is supplied as a characterised reference material related to Febantel. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Fenbendazole can I order?

We supply Fenbendazole in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fenbendazole?

Yes. Every lot of Fenbendazole is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Fenbendazole be shipped internationally?

Yes. Fenbendazole is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.