Peganine; (3S)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-3-ol; CAS No.: 6159-55-3; Specializing in custom chemical synthesis, ChemShuttle supplies (3S)-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-3-ol, a valuable pharma building block. Our company excels in delivering complex heterocycles and intermediates, supporting drug discovery and development. With a commitment to excellence, we provide tailored synthesis solutions to meet the evolving demands of the industry.