Famotidine
Famotidine (CAS: 76824-35-6) is a selective histamine H2-receptor antagonist with the molecular formula C8H15N7O2S3 and a molecular weight of 337.45 g/mol. It functions by reducing the amount of acid produced in the stomach. Famotidine is primarily recognised as an approved therapeutic agent. Its applications extend to biochemical research and cell biology studies.
- IUPAC
- N′-(Aminosulfonyl)-3-([2-(diaminomethyleneamino)-4-thiazolyl]methylthio)propanamidine

Histamine H2-Receptor Antagonist
Famotidine acts as a potent and selective antagonist of histamine H2 receptors. It is widely used in research settings to investigate pathways involving histamine signalling and gastric acid secretion.
Pharmaceutical Research
As an approved therapeutic, Famotidine serves as a valuable reference compound in pharmaceutical research and development. It is utilised in studies related to gastrointestinal disorders and drug discovery.
Biochemical and Cell Biology Studies
This compound is employed in biochemical research and cell biology to explore cellular mechanisms and signalling pathways. Its interaction with H2 receptors makes it a tool for studying cell responses.
| Molecular weight | 337.45 |
|---|---|
| Empirical formula | C8H15N7O2S3 |
| 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 ... HRH2(3274) |
|---|
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 Famotidine primarily used for?
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Famotidine is primarily known as an approved therapeutic agent that acts as a selective histamine H2-receptor antagonist, reducing stomach acid production. It is also used in biochemical research and cell biology studies.
What are the CAS number and formula for Famotidine?
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The CAS number for Famotidine is 76824-35-6, and its empirical formula is C8H15N7O2S3.
What grade and purity does Tech Serve Solutions supply for Famotidine?
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Tech Serve Solutions supplies Famotidine in a technical/research grade. TSS does not represent this product as USP/BP/EP grade.
What are the safety and handling recommendations for Famotidine?
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When handling Famotidine, it is recommended to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. Famotidine is classified with a WGK Germany of 2.
How is Famotidine packed, shipped, and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Famotidine. Products are carefully packed and shipped to meet international regulations.
How can I request a sample or quote for Famotidine?
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To request a sample or a quote for Famotidine, please contact the Tech Serve Solutions sales team via our website or your designated account manager.
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