Droxinostat
Droxinostat (CAS 99873-43-5), with the molecular formula C11H14ClNO3 and a molecular weight of 243.69 g/mol, is a bioactive small molecule. It functions within cellular processes, including cell biology, signaling, and gene regulation. This compound is primarily utilised in research settings for its role in understanding DNA-RNA transcription and broader gene expression mechanisms. Droxinostat is supplied as a white to off-white powder.
- IUPAC
- 4-(4-Chloro-2-methylphenoxy)-N-hydroxybutanamide

Research in Cell Biology
Droxinostat serves as a valuable tool in cell biology research, aiding investigations into cellular functions and signalling pathways. Its properties are useful for studying mechanisms at the molecular level.
Neuroscience and Cell Signaling
This compound finds application in neuroscience research, specifically in exploring cell signaling pathways relevant to the nervous system. It helps researchers understand complex biological interactions.
Gene Regulation Studies
Droxinostat is employed in studies focusing on gene regulation and expression. It assists in understanding how transcription processes, involving DNA and RNA, are controlled.
| Molecular weight | 243.69 |
|---|---|
| Empirical formula | C11H14ClNO3 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | DMSO: ≥20 mg/mL |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- 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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 Droxinostat used for?
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Droxinostat is primarily used in research settings for its role in cell biology, cell signaling, neuroscience, and the study of DNA-RNA transcription and gene regulation.
What is the CAS number and molecular formula for Droxinostat?
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The CAS number for Droxinostat is 99873-43-5 and its molecular formula is C11H14ClNO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Droxinostat with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Droxinostat be handled safely?
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Droxinostat is classified as Dangerous. It may cause respiratory irritation, skin irritation, and serious eye damage (Danger: H315, H318, H335). It is also harmful if swallowed (H302). Always handle with appropriate personal protective equipment in a well-ventilated area, avoiding dust formation and inhalation.
How is Droxinostat packed, shipped, and exported?
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Droxinostat is typically supplied as a white to off-white powder and stored at 2-8°C. TSS is a specialist global supplier and exporter of fine chemicals and laboratory reagents, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for Droxinostat?
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To request a sample or a quotation for Droxinostat, please contact our sales team through the website or by phone, providing your specific requirements.
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