Aminoguanidine hemisulfate salt
Aminoguanidine hemisulfate salt (CAS: 996-19-0) is a chemical compound with the formula CH6N4 · 1/2H2SO4 and a molecular weight of 123.12 g/mol. This substance is recognised for its ability to inhibit nitric oxide synthetase (NOS) enzymes, both constitutive and inducible. It has been employed in research settings to investigate the roles of nitric oxide in various biological processes, including ovulation, steroidogenesis, and prostaglandin production.
- IUPAC
- Guanylhydrazine hemisulfate salt

Nitric Oxide Synthase Inhibition
Aminoguanidine hemisulfate salt functions as an inhibitor for both constitutive (cNOS) and inducible (iNOS) isoforms of nitric oxide synthase. This property makes it a valuable tool for researchers studying the physiological and pathological roles of nitric oxide (NO).
Reproductive Physiology Research
The compound has been utilised to explore the influence of nitric oxide on ovulation and ovarian steroidogenesis. It also aids in understanding the effects of NO on prostaglandin synthesis within the reproductive system.
Biochemical Research Tool
As a bioactive small molecule, aminoguanidine hemisulfate salt serves as a reagent in biochemical studies. Its specific inhibitory action on NOS enzymes allows for targeted investigations into cellular signaling pathways involving nitric oxide.
| Molecular weight | 123.12 |
|---|---|
| Linear formula | CH6N4 · 1/2H2SO4 |
| Assay | ≥98% |
| Application | Aminoguanidine inhibits both constitutive and inducible nitric oxide synthetase. Aminoguanidine has also been used to study the effects of nitric oxide on ovulation and ovarian steroidogenesis and prostaglandin production. |
| 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 ... NOS1(4842), NOS2(4843), NOS2B(201288), NOS2C(645740), NOS3(4846) |
|---|
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 Aminoguanidine hemisulfate salt used for?
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Aminoguanidine hemisulfate salt is primarily used to inhibit nitric oxide synthetase enzymes (both constitutive and inducible) and in research to study the effects of nitric oxide on processes like ovulation, steroidogenesis, and prostaglandin production.
What are the CAS number and formula for Aminoguanidine hemisulfate salt?
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The CAS number is 996-19-0, and the chemical formula is CH6N4 · 1/2H2SO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aminoguanidine hemisulfate salt with an assay of ≥98%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for Aminoguanidine hemisulfate salt?
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Aminoguanidine hemisulfate salt requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The WGK (German Water Hazard Class) is 2.
How is Aminoguanidine hemisulfate salt shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring appropriate packaging and documentation for international shipment.
How can I request a sample or quote for Aminoguanidine hemisulfate salt?
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Please contact our sales team via the website or your designated account manager to request a sample or a quotation for Aminoguanidine hemisulfate salt.
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