4′-(Methylthio)acetophenone
4′-(Methylthio)acetophenone (CAS: 1778-09-2), with the linear formula CH3SC6H4COCH3 and a molecular weight of 166.24 g/mol, is a valuable organic building block. This sulfur-containing compound is primarily utilised in chemical synthesis and as an intermediate in the development of more complex molecules. Its specific structure lends itself to various chemical transformations, making it a useful reagent for researchers and industrial chemists.

Organic Synthesis Intermediate
4′-(Methylthio)acetophenone serves as a key intermediate in organic synthesis. Its functional groups allow for diverse chemical reactions, facilitating the construction of novel organic compounds and complex molecular architectures.
Building Block for Specialty Chemicals
As a versatile building block, this compound finds application in the synthesis of specialty chemicals. The presence of both a ketone and a methylthio group offers unique reactivity for targeted synthetic routes.
Research and Development
This chemical is employed in research and development laboratories for exploring new synthetic pathways and developing novel materials. Its specific properties make it a useful reagent for academic and industrial R&D projects.
| Molecular weight | 166.24 |
|---|---|
| Linear formula | CH3SC6H4COCH3 |
| Assay | 97% |
| Melting point | 80-82 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 |
| 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 4′-(Methylthio)acetophenone used for?
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4′-(Methylthio)acetophenone is used as a building block and intermediate in organic synthesis, as well as in research and development for creating complex molecules.
What are the CAS number and formula for 4′-(Methylthio)acetophenone?
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The CAS number is 1778-09-2, and the linear formula is CH3SC6H4COCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4′-(Methylthio)acetophenone with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4′-(Methylthio)acetophenone be handled safely?
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According to GHS, 4′-(Methylthio)acetophenone is a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
Is 4′-(Methylthio)acetophenone a controlled substance?
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There is no information available in the provided data to suggest that 4′-(Methylthio)acetophenone is a controlled substance.
How is 4′-(Methylthio)acetophenone packed and shipped?
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4′-(Methylthio)acetophenone is packed according to industry standards for safe transport and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 4′-(Methylthio)acetophenone?
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To request a sample or quote for 4′-(Methylthio)acetophenone, please contact the Tech Serve Solutions sales team via our website or by phone.
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