4-(Methylthio)benzaldehyde
4-(Methylthio)benzaldehyde (CAS: 3446-89-7), with the molecular formula C8H8OS, is a key organic intermediate. This aldehyde, featuring a methylthio group, serves as a valuable building block in organic synthesis. Its distinct chemical structure makes it useful for the preparation of more complex molecules within the fine chemical and pharmaceutical sectors. Tech Serve Solutions offers this compound with a minimum assay of 95% for research and development purposes.
- IUPAC
- 4-(Methylmercapto)benzaldehyde

Organic Synthesis Intermediate
4-(Methylthio)benzaldehyde is widely employed as a versatile building block in the synthesis of various organic compounds. Its aldehyde and methylthio functionalities allow for diverse chemical transformations.
Pharmaceutical Research
It serves as a precursor in the development of novel pharmaceutical agents. The compound's structure can be incorporated into potential drug candidates for further investigation.
Material Science
This benzaldehyde derivative can be utilized in the design and synthesis of new materials with specific electronic or optical properties.
| Molecular weight | 152.21 |
|---|---|
| Linear formula | CH3SC6H4CHO |
| Assay | 95% |
| Boiling point | 86-90 °C/1 mmHg(lit.) |
| Density | 1.144 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.646(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 110 °C / 230 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
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)benzaldehyde used for?
+
4-(Methylthio)benzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceuticals and novel materials.
What are the CAS number and molecular formula?
+
The CAS number is 3446-89-7 and the molecular formula is C8H8OS.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-(Methylthio)benzaldehyde with a minimum assay of 95%. This product is suitable for research and development; TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations for handling 4-(Methylthio)benzaldehyde?
+
Handling requires appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection (half-mask respirator or multi-purpose combination cartridge). It has a flash point of 110 °C (230 °F) and is classified as WGK 3 in Germany.
How is 4-(Methylthio)benzaldehyde shipped?
+
This chemical is classified under UN 3334 and is shipped globally by Tech Serve Solutions, adhering to all relevant regulations for hazardous materials.
How can I request a sample or quote for 4-(Methylthio)benzaldehyde?
+
Please contact our sales team directly via our website or by phone to request a sample or a detailed quotation.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis