Diphenyleneiodonium chloride
Diphenyleneiodonium chloride (CAS: 4673-26-1), with the molecular formula C12H8ClI and a molecular weight of 314.55 g/mol, is a premium grade chemical supplied by Tech Serve Solutions. This compound serves as a valuable tool in biochemical research, particularly as an inhibitor of nitric oxide synthase (NOS) enzymes. Its utility extends to cell biology studies, aiding in the investigation of cellular signaling pathways and enzyme inhibition.
- IUPAC
- DPI,Dibenziodolium chloride
- Synonyms
- DPIDibenziodolium chloride

Nitric Oxide Synthase (NOS) Inhibition
Diphenyleneiodonium chloride is a well-established inhibitor of nitric oxide synthase (NOS) enzymes. It is widely used in research to study the roles of NOS isoforms (NOS1, NOS2, NOS3) in various physiological and pathological processes, including inflammation and neurotransmission.
Cell Signaling Research
This compound is employed in cell biology to investigate cellular signaling pathways. By inhibiting NOS, it helps researchers elucidate the downstream effects of nitric oxide production on cellular functions and responses.
Biochemical Studies
As a bioactive small molecule and biochemical reagent, Diphenyleneiodonium chloride is utilised in fundamental biochemical research. It aids in understanding enzyme mechanisms and the impact of enzyme inhibition on biological systems.
| Molecular weight | 314.55 |
|---|---|
| Empirical formula | C12H8ClI |
| Assay | ≥98% |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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.
| Quality Level | PREMIUM |
|---|---|
| Gene Information | human ... NOS1(4842), NOS2(4843), NOS2B(201288), NOS2C(645740), NOS3(4846)mouse ... Pik3r1(18708) |
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 Diphenyleneiodonium chloride used for?
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Diphenyleneiodonium chloride is primarily used as an inhibitor of nitric oxide synthase (NOS) enzymes and in cell signaling research to study cellular pathways.
What are the CAS number and formula for Diphenyleneiodonium chloride?
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The CAS number is 4673-26-1 and the molecular formula is C12H8ClI.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenyleneiodonium chloride at a minimum purity of 98% (PREMIUM grade). We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
How should Diphenyleneiodonium chloride be handled safely?
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Handle with care using appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Note that it has a WGK Germany rating of 3.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, adhering to all necessary regulations for international shipment.
How can I request a quote or sample?
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Please contact our sales team via the website to request a quote or a sample of Diphenyleneiodonium chloride.
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