Propionylthiocholine iodide
Propionylthiocholine iodide (CAS: 1866-73-5) is a sulfur-containing organic compound with a molecular weight of 303.20 g/mol. It serves as a valuable building block in chemical synthesis, particularly within organic chemistry. This compound features a protected thiol group, making it useful for reactions requiring a sulfur nucleophile under controlled conditions. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- (2-Mercaptoethyl)trimethylammonium iodide propionate

Organic Synthesis
Propionylthiocholine iodide functions as a versatile building block in the synthesis of complex organic molecules. Its protected thiol functionality allows for controlled introduction of sulfur into target structures.
Chemical Research
This compound is utilised in laboratory settings for fundamental chemical research and exploration. It provides a specific sulfur-containing moiety for researchers investigating novel chemical pathways and material properties.
Medicinal Chemistry Intermediate
As an organic building block, Propionylthiocholine iodide may find application as an intermediate in the synthesis of potential pharmaceutical agents. Its structure can be modified to create diverse chemical entities for biological screening.
| Molecular weight | 303.20 |
|---|---|
| Linear formula | C8H18NOSI |
| Assay | ≥98% |
| Storage temperature | −20°C |
| Melting point | 200-202 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-41 |
| Safety statements (S) | 26-36 |
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 Propionylthiocholine iodide used for?
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Propionylthiocholine iodide is used as a building block in chemical synthesis, particularly in organic chemistry and for research purposes. It is also potentially an intermediate in medicinal chemistry.
What is the CAS number and formula for Propionylthiocholine iodide?
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The CAS number is 1866-73-5 and its linear formula is C₈H₁₈NOSI.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Propionylthiocholine iodide with an assay of ≥98%. This product is intended for research and technical use and is not supplied as USP, BP, EP, or other pharmacopoeial grades.
How should Propionylthiocholine iodide be handled safely?
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Handle Propionylthiocholine iodide with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid dust formation and ensure adequate ventilation, as it can cause skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335).
How is Propionylthiocholine iodide packed and shipped?
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Propionylthiocholine iodide is typically stored at -20°C. It is carefully packed and exported by Tech Serve Solutions in compliance with all relevant shipping regulations for chemical substances.
How can I request a quote or sample of Propionylthiocholine iodide?
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To request a quote or a sample of Propionylthiocholine iodide, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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