2-Aminopyrimidine-5-boronic acid
2-Aminopyrimidine-5-boronic acid (CAS: 936250-22-5; Formula: C4H6BN3O2; MW: 138.92) is a heterocyclic organoboron compound. It is primarily utilised as a building block in organic synthesis, particularly for the construction of complex molecules via cross-coupling reactions. Its structure, featuring both an aminopyrimidine core and a boronic acid moiety, makes it a versatile intermediate in the development of novel chemical entities and pharmaceuticals.

Organic Synthesis Intermediate
Serves as a key building block in Suzuki-Miyaura cross-coupling reactions, facilitating the formation of carbon-carbon bonds. This is crucial for constructing complex organic frameworks.
Pharmaceutical Research
Employed in the synthesis of potential drug candidates and biologically active molecules. The aminopyrimidine structure is a common feature in many therapeutic agents.
Materials Science
Can be incorporated into the development of novel materials, leveraging its unique structural and reactive properties for advanced applications.
| Molecular weight | 138.92 |
|---|---|
| Empirical formula | C4H6BN3O2 |
| Assay | ≥95.0% |
| Storage temperature | 2-8°C |
| Application | May contain varying amounts of anhydride |
| Melting point | 206-211 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 2-Aminopyrimidine-5-boronic acid used for?
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2-Aminopyrimidine-5-boronic acid is primarily used as a building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, and in pharmaceutical research for the synthesis of potential drug candidates.
What is the CAS number and molecular formula for 2-Aminopyrimidine-5-boronic acid?
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The CAS number is 936250-22-5 and the molecular formula is C4H6BN3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Aminopyrimidine-5-boronic acid with an assay of ≥95.0%. We do not represent this product as USP, BP, or EP grade.
How should 2-Aminopyrimidine-5-boronic acid be handled and stored?
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This compound is a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Store at 2-8°C.
Is 2-Aminopyrimidine-5-boronic acid a controlled substance?
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The provided data does not indicate that 2-Aminopyrimidine-5-boronic acid is a controlled substance.
How is this chemical exported by Tech Serve Solutions?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a quote or sample?
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Please contact Tech Serve Solutions directly through our website or sales channels to request a quote or sample for 2-Aminopyrimidine-5-boronic acid.
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