5-Hydroxythiabendazole
5-Hydroxythiabendazole (CAS 948-71-0, C10H7N3OS, MW 217.25) is a benzimidazole derivative supplied by Tech Serve Solutions. This compound is recognised for its analytical standard grade, making it suitable for laboratory research and development. Its chemical structure lends itself to applications requiring precise chemical synthesis and as a reference material in analytical and chromatographic procedures. TSS ensures reliable sourcing and supply of this specialised chemical.
- IUPAC
- 2-(4-Thiazolyl)-5-benzimidazolol,5-Hydroxy-2-(4-thiazolyl)benzimidazole

Analytical Reference Standard
5-Hydroxythiabendazole serves as a critical reference standard in analytical chemistry. It is used to calibrate instruments and validate analytical methods, particularly in chromatography and spectroscopy, ensuring accuracy and reliability in experimental results.
Chemical Synthesis Intermediate
As a building block in organic synthesis, this compound can be employed in the creation of more complex molecules. Its benzimidazole and thiazole moieties offer reactive sites for further chemical transformations.
Research and Development
This chemical is valuable for research purposes, including the study of benzimidazole derivatives and their potential biological activities or material properties. It supports investigations in areas such as medicinal chemistry and material science.
| Molecular weight | 217.25 |
|---|---|
| Empirical formula | C10H7N3OS |
| Grade | PESTANAL®, analytical standard |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50/53 |
| Safety statements (S) | 60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-Hydroxythiabendazole used for?
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5-Hydroxythiabendazole is primarily used as an analytical standard for calibration and method validation in chromatography and spectroscopy. It also serves as a chemical synthesis intermediate and is utilised in research and development.
What is the CAS number and formula for 5-Hydroxythiabendazole?
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The CAS number for 5-Hydroxythiabendazole is 948-71-0, and its empirical formula is C10H7N3OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Hydroxythiabendazole in PESTANAL®, analytical standard grade. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Hydroxythiabendazole be handled safely?
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5-Hydroxythiabendazole is classified as a Warning with hazards H302 (Harmful if swallowed) and H400 (Very toxic to aquatic life). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid release to the environment (P273).
Is 5-Hydroxythiabendazole packed and exported by TSS?
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Yes, Tech Serve Solutions packs and exports 5-Hydroxythiabendazole globally. For shipping details, please refer to the UN 3077 classification (Environmentally hazardous substance, solid, n.o.s.).
How can I request a quote or sample for 5-Hydroxythiabendazole?
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To request a quote or a sample of 5-Hydroxythiabendazole, please contact our sales team through the website or by phone, providing your specific requirements.
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