O-Methylisourea hemisulfate salt
O-Methylisourea hemisulfate salt (CAS: 52328-05-9) is a chemical compound with the formula H₂NC(OCH₃)=NH · 1/2H₂SO₄ and a molecular weight of 123.12 g/mol. It is primarily utilised as a building block in chemical synthesis and as a reagent in cell biology research. Its properties make it valuable for researchers in organic chemistry and related fields requiring specific carbonyl compounds and urea derivatives.
- IUPAC
- OMI®

Chemical Synthesis
O-Methylisourea hemisulfate salt serves as a versatile building block in organic synthesis. It can be employed in the preparation of various heterocyclic compounds and other complex molecules.
Cell Biology Research
This compound finds application in cell biology studies, potentially as a tool for investigating cellular processes or as a precursor for biologically active molecules.
Reagent
As a laboratory reagent, O-Methylisourea hemisulfate salt can be utilised in diverse analytical and experimental procedures within chemical and biological research.
| Molecular weight | 123.12 |
|---|---|
| Linear formula | H2NC(OCH3)=NH · 1/2H2SO4 |
| Assay | 99% |
| Melting point | 163-167 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... OPRD1(4985), OPRK1(4986), OPRM1(4988)rat ... Oprd1(24613), Oprm1(25601) |
|---|
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 O-Methylisourea hemisulfate salt used for?
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O-Methylisourea hemisulfate salt is used as a building block in chemical synthesis and as a reagent in cell biology research.
What is the CAS number and chemical formula for O-Methylisourea hemisulfate salt?
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The CAS number is 52328-05-9, and the chemical formula is H₂NC(OCH₃)=NH · 1/2H₂SO₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Methylisourea hemisulfate salt with an assay of 99% (OMI®). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling recommendations for O-Methylisourea hemisulfate salt?
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Handling requires protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound has a WGK Germany classification of 1.
Is O-Methylisourea hemisulfate salt suitable for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including O-Methylisourea hemisulfate salt.
How can I request a sample or quote for O-Methylisourea hemisulfate salt?
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To request a sample or quote, please contact our sales department through the website or by phone.
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