(−)-Scopolamine hydrochloride
(−)-Scopolamine hydrochloride (CAS: 55-16-3) is a chemical compound with the formula C17H21NO4 · HCl and a molecular weight of 339.81 g/mol. This white powder is known for its anticholinergic properties, acting as a muscarinic antagonist. It finds utility in research settings, particularly within neuroscience and cell biology, for investigating cholinergic pathways and their associated physiological effects. TSS supplies this compound for laboratory and research applications.
- IUPAC
- Hyoscine hydrochloride,Scopine tropate

Neuroscience Research
Used as a tool compound to investigate the role of cholinergic neurotransmission in the central and peripheral nervous systems. It helps researchers study receptor interactions and signalling pathways.
Cell Biology Studies
Applicable in studies related to cell signaling and the effects of cholinergic modulation on cellular functions. Its antagonist properties are useful for dissecting complex biological mechanisms.
Pharmacological Research
Serves as a reference standard or a research chemical for developing and testing new therapeutic agents that target muscarinic receptors.
| Molecular weight | 339.81 |
|---|---|
| Empirical formula | C17H21NO4 · HCl |
| Assay | ≥90% (HPLC) |
| Form | powder |
| Colour | white |
| Solubility | H2O: soluble50 mg/mL |
| Optical activity | [α]25/D ~−27°, c = 1 in H2O(lit.) |

Hazard statements
- H300Fatal if swallowed
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
- P302IF ON SKIN
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Flash point | 77 °C / 170.6 °F |
| Transport (UN / ADR) | UN 1544 6.1/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 26/27/28 |
| Safety statements (S) | 28-36/37-45 |
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 (–)-Scopolamine hydrochloride used for?
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(–)-Scopolamine hydrochloride is primarily used in research settings, particularly within neuroscience and cell biology, to investigate cholinergic pathways and muscarinic receptor antagonism.
What are the CAS number and chemical formula for (–)-Scopolamine hydrochloride?
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The CAS number is 55-16-3, and the chemical formula is C17H21NO4 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (–)-Scopolamine hydrochloride with an assay of ≥90% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should (–)-Scopolamine hydrochloride be handled safely?
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Due to its high toxicity, handle (–)-Scopolamine hydrochloride with extreme caution. Use appropriate personal protective equipment, including eyeshields, face shields, gloves, and P2 respirator cartridges. Ensure adequate ventilation and avoid inhalation, ingestion, or skin contact.
Is (–)-Scopolamine hydrochloride a controlled substance?
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Information regarding controlled substance status is not provided in the product data. Customers are advised to consult local regulations.
How is (–)-Scopolamine hydrochloride packaged and shipped?
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This product is typically supplied as a white powder. Shipping and handling adhere to international regulations for hazardous materials, including UN 1544 classification.
How can I request a sample or quote for (–)-Scopolamine hydrochloride?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team via our website or direct inquiry.
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