About Chemtos

Chemtos Facility

Chemtos Facilities are located at 16713 Picadilly Ct, Round Rock, TX 78664, USA in the northern suburb of Austin, Texas

Chemtos has developed a strong reputation in the pharmaceutical industry for providing quality reference standards and research chemicals. We work with CROs, Bioanalytical laboratories and Pharmaceutical companies (of all sizes) from across the globe. Recently, we have started offering single use reference standard solutions, including DEA Exempt formulation products, for Diagnostics, Forensics, and Drug screenings.

All our operations are in Austin, TX and we have all the necessary analytical equipment (HPLC, LC/MS, NMR, etc) in-house to complete your projects in a timely manner.

Our Philosophy: In partnership with our clients, we consistently seek to add value to their operations by providing rapid and high quality research and development services. We build long-term client relationships by listening to, understanding, and exceeding our client's needs in a timely and hassle-free fashion.

Learn more about the Chemtos Difference


Key Personnel

Khalid Thakur, Ph.D.
Khalid is responsible for the overall strategy and operation of Chemtos.

Prior to Chemtos, Khalid worked at 3M Corporate Research for 14 years solving materials related problems and developing new technologies in various fields.   Before that, he worked at Cargill (now NatureWorks, LLC) as part of a team to study and develop poly(lactide).  

Khalid’s expertise includes Structure-Property relationships, Analytical Science/Instrumentation, Materials Science, Chemistry, and Business Management. 

Khalid obtained his PhD in Physical Organic Chemistry at the University of Minnesota under the guidance of Prof. Paul Barbara and gained Post-Doc experiences in solid-state NMR under the guidance of Prof. Eric Munson. He has authored 24+ publications in reputed and refereed journals and has often been invited to present, publish and review as an industry recognized expert.


Andy Fryer, Ph.D.
Andy is the Director of Chemistry Operations at Chemtos and manages the custom-synthesis division. His responsibilities include interacting with clients regarding scientific aspects of projects and quotations. 

Prior to Chemtos, Andy worked in the drug discovery arena working as Senior Research Scientist at Array BioPharma Inc.  During his 7+ years at Array, he gained expertise in metalloenzyme and protease field and authored multiple patents.  As member of the 'High Speed Synthesis' group at Array, he designed and synthesized numerous 'drug-like'  libraries aimed at a broad range of biological targets.  He also served as team leader and participated in collaborations with major pharmaceutical and biotech companies.  He has authored over 20 patents and publications.

Andy received his M.Chem. and D.Phil. degrees in organic chemistry from the University of Oxford in U.K. under the supervision of Prof. Sir Jack E. Baldwin, FRS.  He then spend two years at the University of Texas at Austin doing postdoctoral research with Prof. Stephen F. Martin.