Cilostazol
Cilostazol (CAS 73963-72-1), with the molecular formula C20H27N5O2 and a molecular weight of 369.46 g/mol, is an off-white powder. It functions as a phosphodiesterase inhibitor, specifically targeting PDE3A and PDE3B. This compound is recognised as an approved therapeutic and is utilized in research for its roles in cell signaling and neuroscience. TSS supplies Cilostazol for research and development purposes.
- IUPAC
- 6-[4-(1-Cyclohexyl-1H-tetrazol-5-yl)-butoxy]-3,4-dihydro-2(1H)-quinolinone,OPC 13013,OPC 21,Pletaal
- Synonyms
- 6-[4-(1-Cyclohexyl-1H-tetrazol-5-yl)-butoxy]-3,4-dihydro-2(1H)-quinolinoneOPC 13013OPC 21Pletaal

Phosphodiesterase Inhibition
Cilostazol is a selective inhibitor of phosphodiesterase type 3 (PDE3), influencing cyclic nucleotide metabolism. It is studied for its effects on PDE3A and PDE3B in biological systems.
Research in Cell Signaling
As a bioactive small molecule, Cilostazol finds application in cell biology and neuroscience research. Its mechanism of action involves modulating intracellular signaling pathways.
Drug Candidate Research
Classified as an approved therapeutic/drug candidate, Cilostazol is used in preclinical and research settings to explore its pharmacological profile and potential therapeutic applications.
| Molecular weight | 369.46 |
|---|---|
| Empirical formula | C20H27N5O2 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | off-white |
| Solubility | DMSO: soluble10 mg/mL, clear |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... PDE3A(5139), PDE3B(5140) |
|---|
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 Cilostazol used for?
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Cilostazol is primarily used as a phosphodiesterase inhibitor in research related to cell signaling, neuroscience, and as an approved therapeutic/drug candidate for investigating its pharmacological effects.
What is the CAS number and molecular formula for Cilostazol?
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The CAS number for Cilostazol is 73963-72-1, and its molecular formula is C20H27N5O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cilostazol with an assay of ≥98% (HPLC). This product is intended for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Cilostazol be handled?
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When handling Cilostazol, it is recommended to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. Refer to the Safety Data Sheet for comprehensive handling information. The WGK Germany classification is 2.
How is Cilostazol packed and exported?
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Cilostazol is typically supplied as an off-white powder. Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals, ensuring appropriate packaging for safe transit and export.
How can I request a quote or sample for Cilostazol?
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To request a quote or sample of Cilostazol, please contact our sales team through the website or by phone. Provide the product name and CAS number (73963-72-1) for prompt service.
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