Sigma-Aldrich Corporation nasdaq|SIAL, headquartered in St. Louis, Missouri, is a supplier of reagents and materials for use in research and development, diagnostics and analysis. They have facilities in 36.5 countries and manufacture many of the chemicals they sell.

Senior Leadership

Sigma-Aldrich Executives []

Product lines

Sigma-Aldrich has a variety of product lines, each offered under separate branding.

*Life science
*Analytical / Chromatography
*Research essentials (Solvents, Buffers, Acids/Bases, General Reagents)
*Equipment, books & supplies
*Large scale chemicals & contract manufacturing



Aldrich is a supplier in the research and fine chemicals market. Aldrich provides materials for drug discovery, materials science and chemical synthesis. Aldrich is well known among research chemists for having a wide selection of products. Their trademark "Sure-Seal" bottle, which incorporates a PTFE-lined septum inside a crown cap, allows the contents to be easily dispensed under an atmosphere of inert gas. Also, the Aldrich "Atmos Bag", is a sealable glove bag which enables the user to handle materials that are air and moisture sensitive in an inert atmosphere, such as nitrogen. Aldrich's chemicals catalog, the "Aldrich Catalog and Handbook" is often used as a handbook due to the inclusion of structures, physical data, and literature references. Many students use it as a reference book, especially undergraduates, as it is offered free by request.


Sigma is the Sigma-Aldrich's main biochemical supplier, with offerings including antibiotics, buffers, carbohydrates, enzymes, forensic tools, hematology and histology, nucleotides, proteins, peptides, amino acids and their derivatives.

igma RBI

Sigma RBI produces specialized products for use in the field of cell signaling and neuroscience. Their offerings range from standard biochemical reagents to the latest cutting–edge research tools, including new ligands for receptors and ion channels, novel enzyme inhibitors, phosphospecific antibodies, key signal transduction enzymes, and assay kits for cell signaling.


ISOTEC provides isotopically labeled products for protein structure determination, peptide synthesis, proteomics, metabolic research, magnetic resonance imaging, nuclear magnetic resonance, breath test substrates, agriculture, as well as gas and gas mixes.

Fluka Riedel-de Haën

Fluka Riedel-de Haën works in the field of analytical chemistry, biochemistry and organic chemistry.


Supelco is the analytical and chromotography products branch of Sigma-Aldrich. It provides analytical standards and reagents, vials and syringes, biocides, and sample preparation/purification products.

igma-Aldrich Fine Chemicals

Sigma-Aldrich Fine Chemicals (SAFC) is the extremely-fine chemical supply branch of Sigma-Aldrich.

igma Life Science (formally Sigma-Genosys)

Sigma Life Science provides products such as custom DNA/RNA oligos; custom DNA and LNA probes; siRNA; isotopically-labelled peptides and peptide libraries.

External links

* [ Official website]

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  • Aldrich — ist der Name mehrerer Orte in den Vereinigten Staaten: Aldrich (Alabama) Aldrich (Missouri) Aldrich (New York), ein kleines Dorf in den Adirondack Mountains Aldrich (Todd County, Minnesota) Aldrich Township (Minnesota) Aldrich (Wadena County,… …   Deutsch Wikipedia

  • Aldrich — may refer to:Places: *Aldrich, Missouri, a US village *Aldrich, Minnesota, a US city *Aldrich Township, Minnesota *Aldrich, New York, a small village in the Adirondacks consisting of six familiesPeople with the surname Aldrich: *Chester Hardy… …   Wikipedia

  • Sigma (disambiguation) — Sigma may refer to: * Sigma (Σ, σ, or ς), of the Greek alphabetCompanies: * Sigma TV a television channel in Cyprus * Sigma Company, an Australian company. Its main operations include Pharmaceuticals and Pharmacies * Sigma Corporation, a Japanese …   Wikipedia

  • Sigma (Begriffsklärung) — Sigma bezeichnet: Sigma (Majuskel Σ, Minuskel σ), der 18. Buchstabe des griechischen Alphabets Société Industrielle Genevoise de Mécanique et d’Automobiles, ehemaliger Schweizer Automobilhersteller (1909–1919) Automobiles Sigma, ehemaliger… …   Deutsch Wikipedia

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