Description

1H-Pyrazolo[3,4:3,4]Cyclobuta[1,2-D]Pyrimidine (9Ci) is a complex, fused heterocyclic compound that serves as a sophisticated building block in advanced chemical synthesis. This high-value intermediate is critical for researchers and developers working on novel molecular architectures, particularly in the pharmaceutical and agrochemical sectors. Its unique polycyclic structure makes it an essential precursor for creating new active ingredients and functional materials, offering significant value for innovation-driven projects.

Application

• Pharmaceutical Intermediate: A key building block in the research and development of new drug candidates, particularly for targeted therapies.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Serves as a precursor for developing advanced organic electronic materials and specialty polymers.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.
• Academic & Industrial R&D: A valuable compound for fundamental research in heterocyclic and medicinal chemistry at universities and corporate labs.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of bespoke compounds and client-specific projects.

Basic Information

Product Name	1H-Pyrazolo[3,4:3,4]Cyclobuta[1,2-D]Pyrimidine (9Ci)
CAS No.	75495-60-2
Molecular Formula	C7H4N4
Molecular Weight	144.14 g/mol
Synonyms	1H-Pyrazolo[3,4:3,4]cyclobuta[1,2-d]pyrimidine; Pyrazolocyclobutapyrimidine; 1H-Pyrazolo[3,4:3',4']cyclobuta[1,2-d]pyrimidine; 75495-60-2; Cyclobuta[1,2-d]pyrazolo[3,4]pyrimidine; 9CI Index Name; 1H-Pyrazolo[3,4:3,4]cyclobuta[1,2-d]pyrimidine (9CI)
EINECS	Contact for details

Quality Control

Our 1H-Pyrazolo[3,4:3,4]Cyclobuta[1,2-D]Pyrimidine (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.