Better recalled by either Themis or Metacin, Chemosyn was incorporated in the year 1961. Chemosyn Ltd. is well known for its ability to build successful brands. The abilities can be traced right back to 1980s, its robust brands like Ulcitab, E-Mycin, Atelol and to the last few years with the success of Metacin Suursa. Moreover, Metacin is a brand that Chemosyn is always proud to be associated with.

Chemosyn is one of the few companies in India to have an depots all over India including: Chandigarh, Delhi, Jaipur, Lucknow, Patna, Ranchi, Vijaywada, Chennai, Cochin, Bangalore, Mumbai, Ahemdabad, Daman and Vapi. Chemosyn currently manufactures its products at Schedule M (tablets) approved unit at Vapi and Liquids and ointment under the banner of its business associate Surajmani.