Aceto, a global provider of specialty materials for life sciences and advanced technology end markets, has acquired A&C Bio Buffer Ltd, a GMP (Good Manufacturing Practices) manufacturer of custom buffer and chemical blend products used in the manufacturing of biopharmaceutical drug products.   This transaction complements Aceto’s acquisition earlier this year of A&C, a global manufacturer of GMP specialty excipients and custom process solutions, and reinforces the company’s expanded busi...