5-Iodocytosine
5-Iodocytosine (CAS: 1122-44-7), with the empirical formula C4H4IN3O and molecular weight 237.00, is a modified pyrimidine derivative. It serves as a valuable building block in synthetic chemistry. Its primary utility lies in the preparation of other complex molecules, including pyrrolocytosine and various biologically relevant compounds, making it a key reagent for research and development in medicinal chemistry and related fields.
- IUPAC
- 4-Amino-2-hydroxy-5-iodopyrimidine

Synthesis of Pyrrolocytosine
5-Iodocytosine is a direct precursor for the synthesis of pyrrolocytosine, a compound with potential applications in biochemical research.
Preparation of Biologically Active Derivatives
This iodinated nucleobase analogue is employed in the creation of novel derivatives possessing biological activity, contributing to drug discovery efforts.
Research and Development
As a modified pyrimidine, 5-Iodocytosine is integral to various research projects in organic synthesis and medicinal chemistry, aiding in the development of new molecular entities.
| Molecular weight | 237.00 |
|---|---|
| Empirical formula | C4H4IN3O |
| Storage temperature | −20°C |
| Application | 5-Iodocytosine is a modified pyrimidine used to synthesize other molecules such as pyrrolocytosine and biologically active derivatives. |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 5-Iodocytosine used for?
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5-Iodocytosine is primarily used for synthesizing other molecules such as pyrrolocytosine and biologically active derivatives. It is a valuable reagent in research and development for organic synthesis and medicinal chemistry.
What is the CAS number and formula for 5-Iodocytosine?
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The CAS number for 5-Iodocytosine is 1122-44-7, and its empirical formula is C4H4IN3O.
What grade and purity does Tech Serve Solutions supply for 5-Iodocytosine?
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Tech Serve Solutions supplies 5-Iodocytosine as a research grade chemical. We do not represent it as USP, BP, EP or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should 5-Iodocytosine be handled safely?
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5-Iodocytosine is classified under GHS07 with a 'Warning' signal word and hazard statement H302 (Harmful if swallowed). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with appropriate care to avoid ingestion and dust inhalation.
How is 5-Iodocytosine packed, shipped, and exported?
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5-Iodocytosine is carefully packed according to industry standards to ensure stability during transit. Tech Serve Solutions is experienced in global export procedures for fine chemicals and reagents.
How can I request a sample or quote for 5-Iodocytosine?
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To request a sample or a quote for 5-Iodocytosine, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
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