An anthelmintic
Technical Support & Resources

Information provided in the product description is from published literature. Due to the nature of scientific experimentation, your results (e.g., selectivity and effective concentrations) or specific application for this product may differ. If you have questions about how this product fits your application, please contact our technical support staff.

Visit our FAQ

Contact Us

Toll Free Phone (USA and Canada Only): (888) 526-5351
Direct Phone: (734) 975-3888

Request Technical Support

Technical Support Request

To streamline the process attach the appropriate questionnaire to your inquiry.

Download IHC QuestionnaireDownload WB Questionnaire

View Our Privacy Statement for details on how we use and protect your data. In addition, this site is protected by hCaptcha and its Privacy Policy and Terms of Service apply.

Oxfendazole

Item No. 29742

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
N-[6-(phenylsulfinyl)-1H-benzimidazol-2-yl]-carbamic acid, methyl ester
CAS Number
53716-50-0
Synonyms
  • Oxfenbendazole
  • Fenbendazole sulfoxide
  • HOE 8105
Molecular Formula
C15H13N3O3S
Formula Weight
315.3
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: slightly solubleDMSO: 1 mg/mlDMSO:PBS (pH 7.2) (1:4): 0.20 mg/ml
λmax
229, 297 nm
SMILES
O=S(C1=CC=C(N=C(NC(OC)=O)N2)C2=C1)C3=CC=CC=C3
InChi Code
InChI=1S/C15H13N3O3S/c1-21-15(19)18-14-16-12-8-7-11(9-13(12)17-14)22(20)10-5-3-2-4-6-10/h2-9H,1H3,(H2,16,17,18,19)
InChi Key
BEZZFPOZAYTVHN-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
Recommended Products

Certificates of Analysis & Batch Specific Data

Provide batch numbers separated by commas to download or request available product inserts, QC sheets, certificates of analysis, data packs, and GC-MS data.

Download most recent Certificate of Analysis for this product

    5 mg

    $69

    Add

    10 mg

    $120

    Add

    25 mg

    $263

    Add

    50 mg

    $493

    Add
    Cayman Chemical
    Neutrophil Biology Wall Poster

    Explore how neutrophils shape the immune response in health and disease. This poster highlights neutrophil pathogen defense mechanisms, including phagocytosis, degranulation, and NETosis, as well as neutrophil roles in inflammation and NET-associated pathologies.

    DOWNLOAD NOW
    Product Description

    Oxfendazole is a benzimidazole anthelmintic.1,2 In vivo, oxfendazole is curative in pig models of H. rubidus or A. suum infection when administered at doses of 3 and 6 mg/kg, respectively.1 It is lethal to H. contortus and T. circumcincta when administered to infected cattle (LD50s = 4.28 and 3.61 mg/kg of host weight, respectively).2 Formulations containing oxfendazole have been used in the treatment and prevention of helminth infections in livestock.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Kingsbury, P.A., Rowlands, D.T., and Reid, J.F. Anthelmintic activity of oxfendazole in pigs. Vet. Rec. 108(1), 10-11 (1981).

    2. Le Jambre, L.F., Prichard, P.K., Hennessy, D.R., et al. Efficiency of oxfendazole administered as a single dose or in a controlled release capsule against benzimidazole-resistant Haemonchus contortus, Ostertagia circumcincta and Trichostrongylus colubriformis. Res. Vet. Sci. 31(3), 289-294 (1981).