Certain features of will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Hematology and Histology

For years, Sigma-Aldrich has been the standard and the source for dyes and stains to the research and clinical laboratory community. A single, professional source of supply for quality products and service.

Our commitment to Histology, Cytology and Hematology professionals has grown with our expanded product line of certified stains, reliable liquid formulations, convenient kit configurations and reagents. Sigma-Aldrich guarantees stain performance and quality for all our stains and reagents. All our products must meet the most stringent quality control standards, including tissue and/or cell performance testing, before release.

Our goal is to continue to exceed your needs and expectations of products and services. An extensive inventory of stain technology products ensures that we will have the one you want and, more importantly, the one you need. We are the standard . . . your source . . . for stain technology needs.