ethyl 2-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3-yl)acetate; CAS No.: 433702-79-5; ChemShuttle serves as a chemical synthesis company, delivering key intermediates such as ethyl 2-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3-yl)acetate. Our services include CRO chemical synthesis, ensuring high purity and consistency.