Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde
Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde (CAS: 879072-59-0) is a heterocyclic organic compound with the molecular formula C7H5N3O and a molecular weight of 147.13 g/mol. As a valuable building block, it is frequently employed in chemical synthesis, particularly in the development of novel pharmaceutical intermediates and complex organic molecules. Its structure incorporates both pyrazole and pyrimidine rings, offering diverse reaction pathways for medicinal chemistry and materials science research.
- Synonyms
- C7H5N3O
![Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde (C7H5N3O) — chemical structure, CAS 879072-59-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F879072-59-0.png&w=3840&q=75)
Pharmaceutical Intermediate Synthesis
This compound serves as a key intermediate in the synthesis of various pharmaceutical candidates. Its unique bicyclic structure can be functionalised to create complex molecules with potential therapeutic applications.
Organic Synthesis Building Block
Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde is a versatile building block for organic chemists. It facilitates the construction of more complex heterocyclic systems through various established synthetic methodologies.
Medicinal Chemistry Research
Researchers in medicinal chemistry utilise this compound to explore new chemical entities for drug discovery programs. Its structural motif is present in compounds with known biological activity.
| Molecular weight | 147.13 |
|---|---|
| Empirical formula | C7H5N3O |

Hazard statements
- H302Harmful if swallowed
| 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 Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde used for?
+
Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceuticals and other complex organic molecules.
What is the CAS number and molecular formula?
+
The CAS number for Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde is 879072-59-0, and its molecular formula is C7H5N3O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde in research grades. Purity is typically >95% unless otherwise specified. TSS does not represent this product as USP, BP, or EP grade.
How should Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde be handled?
+
Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde is classified as a Warning, harmful if swallowed (H302). Handle with appropriate personal protective equipment (gloves, eye protection) in a well-ventilated area. Avoid ingestion.
How is this chemical packed and shipped?
+
This chemical is carefully packed according to international shipping regulations for hazardous materials and exported globally by TSS.
How can I request a sample or quote?
+
To request a sample or a quote for Pyrazolo[1,5-a]pyrimidine-3-carbaldehyde, please contact our sales department via the website or email.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis