W&J PharmaChem, Inc is established with a purpose to provide quality specialty chemicals and building blocks valuable for developing science and emerging applications. We are a reliable supplier of special amino acids for constructing conformationally confined peptides through effective chemistries. We also supply synthetic nucleosides for medical R&D. Towards this goal, the company’s business also extends to effectively executing custom synthesis contracts with technical strength and customer experience to assure on-time and on-budget delivery of results.