(−)-Tetramisole hydrochloride
(−)-Tetramisole hydrochloride (CAS: 16595-80-5), a synthetic imidazothiazole derivative with the formula C11H12N2S · HCl and a molecular weight of 240.75 g/mol, is primarily utilised as an inhibitor of various mammalian alkaline phosphatases. It is crucial in biochemical research for studying enzyme activity. TSS supplies this compound with an assay of ≥99% (GC).
- IUPAC
- (S)-(−)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride,L(−)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole hydrochloride,Levamisole hydrochloride
- Synonyms
- (S)-(−)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochlorideL(−)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole hydrochlorideLevamisole hydrochloride

Biochemical Research
Used as a potent inhibitor for various mammalian alkaline phosphatases, including those found in liver, kidney, placenta, and bone. It is instrumental in enzymatic studies and research into enzyme-related pathways.
Enzyme Inhibition Studies
Specifically targets and inhibits alkaline phosphatase activity in multiple mammalian tissues. Its effectiveness allows for detailed investigation into the role of these enzymes in biological processes.
Reagent in Life Sciences
Serves as a key reagent in life science applications, particularly in areas requiring the modulation of alkaline phosphatase activity, such as immunohistochemistry (IHC) research.
| Molecular weight | 240.75 |
|---|---|
| Empirical formula | C11H12N2S · HCl |
| Assay | ≥99% (GC) |
| Application | Suitable for inhibition of various mammalian alkaline phosphatase (i.e., liver, kidney, placenta, bone and tumor). Intestinal alkaline phosphatases are only slightly inhibited. Not for veterinary use. |
| Melting point | 228-230 °C |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 36/37/39-45 |
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 (–)-Tetramisole hydrochloride used for?
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This compound is primarily used as an inhibitor of various mammalian alkaline phosphatases in biochemical and life science research. It is not for veterinary use.
What are the CAS number and chemical formula for (–)-Tetramisole hydrochloride?
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The CAS number is 16595-80-5, and the chemical formula is C11H12N2S · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (–)-Tetramisole hydrochloride with an assay of ≥99% (GC). This is a high-purity grade suitable for research applications. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling (–)-Tetramisole hydrochloride?
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(–)-Tetramisole hydrochloride is classified as Dangerous (GHS06, Signal Word: Danger) and carries the hazard statement H301 (Toxic if swallowed). Appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges, must be used. Handle with extreme care in a well-ventilated area.
Does Tech Serve Solutions export (–)-Tetramisole hydrochloride?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (–)-Tetramisole hydrochloride.
How can I request a quote or sample for (–)-Tetramisole hydrochloride?
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Please contact our sales team directly via our website or telephone to request a quotation or to arrange for a sample of (–)-Tetramisole hydrochloride.
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