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Technical Service > Contact Tech Service
Technical Service

Contact Tech Service

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

With the millions of online technical documents offered through our website we hope that you will find all your answers with the click of a mouse. If that's not the case, our scientists are always here to assist. Give us a call or send us an email, our priority is to accelerate your success.

United States Technical Service Center Locations
We staff technical service centers around the country with scientists that specialize in your area of research, as well as experts on addressing the full range of Sigma-Aldrich® products. No confusing voice prompts, but a real scientist that can immediately address your question. For direct access to these centers, use the contact information provided.

How you can help us ........ and yourself.
Occasionally we may ask you to fill out an email survey or stay on the line after speaking to one of our scientist to answer a phone survey. Your input helps us maintain our "Best in Class" service to you, our valued customer.



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Technical Service

USA Technical Service

To discuss applications or product specific questions regarding any Sigma-Aldrich Product:

Phone: 1-800-325-5832
or Email a Scientist

Life Science and Biochemicals:
3050 Spruce Street
St. Louis, MO 63103
Phone: 1-800-325-5832
Email a scientist

Material Science, Chemical Synthesis, and Lab Equipment:
6000 North Teutonia Avenue
Milwaukee, WI 53209
Phone: 1-800-231-8327
Email a scientist

Chromatography and Analytical:
595 North Harrison Road
Bellefonte, PA 16823
Phone: 1-800-359-3041
Email a scientist

Stable Isotopes:
3858 Benner Road
Miamisburg, OH 45342
Phone: 1-800-448-9760
1-937-859-1808
Email: isosales@sial.com