It was a tour of the company not a professional interview. Research Scientist III, Stephanie, showed me around and talked about different lab instruments. They have lots of HPLC, UPLC, GC, and so many other analytical instruments. She was really polite and nice. I am still waiting on the offer.

Phone screen involves talking to HR first to get a sense of who you are and also what the company does. Second round involves technical presentation to the group you'll be working in and questions about your research. There were also questions to make sure you have a baseline knowledge of organic chemistry.