Fenbendazole Sulfone

Name: Fenbendazole Sulfone
Brand: Vaqora Chemicals
SKU: VQ-021226

About Fenbendazole Sulfone

Listed under CAS 54029-20-8, Fenbendazole Sulfone is an impurity of Oxfendazole available from Vaqora Chemicals. Formula C15H13N3O4S, molecular weight 331.3 g/mol. Its systematic (IUPAC) name is methyl N-[6-(benzenesulfonyl)-1H-benzimidazol-2-yl]carbamate. Common synonyms include Fenbendazole Sulphone and Fenbendazole.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Oxfendazole impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Fenbendazole Sulfone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Oxfendazole

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

Oxfendazole impurities

Specifications & identifiers

Chemical identifiers
Product name	Fenbendazole Sulfone
Catalogue No.	VQ-021226
CAS Number	54029-20-8
IUPAC name	methyl N-[6-(benzenesulfonyl)-1H-benzimidazol-2-yl]carbamate
Molecular formula	C₁₅H₁₃N₃O₄S
Molecular weight	331.3 g/mol
Exact mass	331.0627
Grade	Reference Standard
HSN code	38229090
InChIKey	UAFDGCOOJPIAHN-UHFFFAOYSA-N
SMILES	COC(=O)NC1=NC2=C(N1)C=C(C=C2)S(=O)(=O)C3=CC=CC=C3
PubChem CID	162136

Physical properties
Physical form	Solid
LogP (XLogP3)	2.3
H-bond donors / acceptors	2 / 5
TPSA	110 Å²
Synonyms	Fenbendazole Sulphone, Fenbendazole, Oxfendazole sulfone, HOE-5151, Methyl (5-(phenylsulfonyl)-1H-benzo[d]imidazol-2-yl)carbamate, Oxfendazole-sulfone, methyl N-[5-(benzenesulfonyl)-1H-1,3-benzodiazol-2-yl]carbamate, FBZ sulfone, carbamic acid,(5-(phenylsulfonyl)-1h-benzimidazol-2-yl)-,methyl ester, Carbamic acid, (5-(phenylsulfonyl)-1H-benzimidazol-2-yl)-, methyl ester, Methyl [6-(benzenesulfonyl)-1H-1,3-benzimidazol-2-yl]carbamate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction

Precautionary statements: P261, P264, P270, P272, P280, P301 + P317, P302 + P352, P321, P330, P332 + P317, P333 + P317, P362 + P364, 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 Sulfone?

The CAS Registry Number of Fenbendazole Sulfone is 54029-20-8. It is also known as Fenbendazole Sulphone, Fenbendazole, Oxfendazole sulfone.

What is the molecular formula and molecular weight of Fenbendazole Sulfone?

Fenbendazole Sulfone has the molecular formula C15H13N3O4S and a molecular weight of 331.3 g/mol. Its IUPAC name is methyl N-[6-(benzenesulfonyl)-1H-benzimidazol-2-yl]carbamate.

What is Fenbendazole Sulfone used for?

Fenbendazole Sulfone is supplied as a characterised reference material related to Oxfendazole. 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 Sulfone can I order?

We supply Fenbendazole Sulfone 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 Sulfone?

Yes. Every lot of Fenbendazole Sulfone 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 Sulfone be shipped internationally?

Yes. Fenbendazole Sulfone 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.