1-Methyl-5-(tributylstannyl)-1H-pyrazole
1-Methyl-5-(tributylstannyl)-1H-pyrazole (CAS: 170682-50-5, C16H32N2Sn) is an organotin compound with a molecular weight of 371.15 g/mol. It is a valuable reagent in organic synthesis, particularly for introducing the 1-methyl-1H-pyrazol-5-yl moiety. This compound functions as a building block in the development of novel organic molecules and is supplied by Tech Serve Solutions with an assay of 97%.
- IUPAC
- (1-Methyl-1H-pyrazol-5-yl)tributylstannane
Organic Synthesis Building Block
Utilised in cross-coupling reactions, such as Stille coupling, to form new carbon-carbon bonds. This allows for the precise incorporation of the methylpyrazole group into complex organic structures.
Pharmaceutical Intermediate
Serves as a key intermediate in the synthesis pathways of potential pharmaceutical agents. Its structure allows for diversification in drug discovery programmes.
Materials Science
Can be employed in the creation of novel organic materials with tailored electronic or optical properties. The organotin functionality offers unique reactivity for polymerisation or functionalisation.
| Molecular weight | 371.15 |
|---|---|
| Empirical formula | C16H32N2Sn |
| Assay | 97% |
| Density | 1.160 g/mL at 25 °C |
Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P314Get medical attention if you feel unwell
- P501Dispose of contents and container per local regulations
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 2788 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 21-25-36/38-48/23/25-50/53 |
| Safety statements (S) | 35-36/37/39-45-60-61 |
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 1-Methyl-5-(tributylstannyl)-1H-pyrazole used for?
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1-Methyl-5-(tributylstannyl)-1H-pyrazole is primarily used as a building block in organic synthesis, particularly in cross-coupling reactions like the Stille coupling, for the introduction of the 1-methyl-1H-pyrazol-5-yl group into organic molecules. It also finds application as an intermediate in pharmaceutical and materials science research.
What is the CAS number and formula for 1-Methyl-5-(tributylstannyl)-1H-pyrazole?
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The CAS number is 170682-50-5, and the empirical formula is C16H32N2Sn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Methyl-5-(tributylstannyl)-1H-pyrazole with an assay of 97%. TSS does not represent this product as USP, BP, EP or pharmacopoeia grade.
How should 1-Methyl-5-(tributylstannyl)-1H-pyrazole be handled safely?
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This compound is classified under GHS06, GHS08, and GHS09 symbols with a Danger signal word. It is toxic if swallowed (H301), harmful in contact with skin (H312), causes skin irritation (H315), causes serious eye irritation (H319), and may cause damage to organs through prolonged or repeated exposure (H372). It is also very toxic to aquatic life with long lasting effects (H410). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for full details.
How is this chemical packed and shipped?
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This chemical is shipped as UN 2788, Hazard Class 6.1, Packing Group III. It is exported globally by Tech Serve Solutions, adhering to all relevant transport regulations.
How can I request a sample or quote for 1-Methyl-5-(tributylstannyl)-1H-pyrazole?
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Please contact Tech Serve Solutions directly via our website or sales department to request a sample or a formal quotation for 1-Methyl-5-(tributylstannyl)-1H-pyrazole.
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