Kilogram-Scale Supply of 2,2'-Bipyridine-3,3'-Dicarboxylic Acid and Dimethyl Ester
Sep .11.2026
UCHEM supplies 2,2'-Bipyridine-3,3'-dicarboxylic acid CAS:4433-01-6 and 2,2'-Bipyridine-3,3'-dicarboxylic acid dimethyl ester CAS:39775-31-0 with kilogram-scale and bulk packaging options. These bipyridine derivatives are useful building blocks for coordination chemistry, organic synthesis, pharmaceutical research, and advanced materials development.
Dodecahydro-5,5'-bi-2-benzofuran-1,1',3,3'-tetrone CAS 122640-83-9 Specialty Dianhydride Monomer
Sep .11.2026
Dodecahydro-5,5'-bi-2-benzofuran-1,1',3,3'-tetrone (CAS 122640-83-9) is an alicyclic dianhydride monomer used as a building block for solution-processable, optically transparent polyimides. It is suitable for advanced applications in high-performance polymers, optoelectronics, and photovoltaic materials.
Pyrimidine Building Blocks for Organic Synthesis - UCHEM
Sep .11.2026
UCHEM offers 2-Hydroxypyrimidine (CAS 557-01-7), 2-Chloropyrimidine (CAS 1722-12-9), and 2-Cyanopyrimidine (CAS 14080-23-0) as versatile pyrimidine building blocks. Production can be arranged according to customer requirements, supporting both research and larger-scale sourcing needs.
1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic Acid (DOTA) CAS 60239-18-1 - Versatile Macrocyclic Chelating Agent
Sep .11.2026
1,4,7,10-Tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA), CAS 60239-18-1, also known as tetraxetan, is a macrocyclic chelating agent with strong affinity for lanthanides and radioactive metal ions. It is widely used in radiolabeling, MRI contrast-agent research, targeted radiopharmaceutical development, and metal coordination chemistry. UCHEM provides DOTA for pharmaceutical, medical imaging, and advanced research applications.