Business Address: 19250 Van Ness Avenue, Torrance,  CA 90501, USA Phone : Local: (310) 787-6800 Outside The Area:  (800) 424-9394 | (800) 252-1125 Description: Med-Chem is a leading manufacturer  of in-vitro diagnostics, laboratory stains, reagents, and histology supplies, serving hospitals, laboratories, and medical institutions across the United States. Business Hours: Monday: 7 AM–4 PM Tuesday:  7 AM–4 PM Wednesday:  7 AM–4 PM Thursday:  7 AM–4 PM Friday:  7 AM–4 PM Saturday:  Closed Sunday:  Closed