Sigma-Aldrich equipment
We personally find you the right new, used & refurbished Sigma-Aldrich instruments & equipment from verified suppliers
Sigma-Aldrich is an American life science and specialty chemicals manufacturer and supplier, formed in August 1975 by the merger of the St. Louis-based Sigma Chemical Company and the Milwaukee-based Aldrich Chemical Company. The predecessor Sigma Chemical Company traces to 1935, and the combined business has been part of Merck KGaA since 2015. Its range covers biochemicals and reagents, chromatography products, solvents, cell culture media, molecular biology reagents, and certified reference materials, under names such as Sigma, Aldrich, Supelco, SAFC, and Fluka. On Questpair, Sigma-Aldrich products are listed by verified suppliers and distributors across several European countries.
Updated:
Sigma-Aldrich product list
Not the exact instrument you need?
Tell our scientists what you are after. We track it down, including off-market supply.
Not the exact instrument you need?
Tell our scientists what you are after. We track it down, including off-market supply.
Showing 1–40 of 88 listings
Show 40 more listingsAbout Sigma-Aldrich
Sigma-Aldrich is an American life science and specialty chemicals manufacturer and supplier. It was formed in August 1975 by the merger of the St. Louis-based Sigma Chemical Company and the Milwaukee-based Aldrich Chemical Company, with the Sigma side tracing back to 1935. Historic principal offices sat in St. Louis, Missouri; the current MilliporeSigma headquarters is in Burlington, Massachusetts. Since 2015 the business has been part of Merck KGaA. Its catalogue covers biochemicals and reagents, analytical chemistry products, chromatography products, solvents and lab chemicals, cell culture media and reagents, molecular biology reagents, certified reference materials, laboratory glassware and consumables, and biopharmaceutical raw materials. The company sells these under several established names rather than a single label.
Sigma-Aldrich product lines
The range is organised into product lines that each serve a distinct part of the laboratory. The core Sigma and Aldrich names cover biochemicals and organic and inorganic chemicals respectively, the two historic strands of the merged company. Supelco is the analytical chemistry and chromatography line, carrying column packings, standards, and sample preparation products for chromatography and spectroscopy. SAFC and Emprove serve biopharmaceutical raw materials and manufacturing, where documentation and regulatory grade matter. Milli-Q covers water purification systems and consumables. BioReliance sits in biological safety testing, and Fluka carries analytical reagents and reference materials. Across these lines the catalogue runs from small reagent quantities to certified reference materials used to calibrate and validate analytical methods.
Much of this range serves biotechnology and life sciences directly. The cell culture media and reagents support cell culture and the maintenance of cell lines that underpin bioprocessing and biomanufacturing. The molecular biology reagents are the working materials of molecular biology and genomics, from enzymes and nucleotides through to kits used in gene editing and synthetic biology workflows. Certified reference materials and analytical standards support molecular diagnostics and quality control, where a known standard is needed to validate a measurement. Protein purification resins and buffers feed proteomics and downstream processing, and reagents for electrophoresis and immunoassay support protein and nucleic acid analysis. Biopharmaceutical raw materials under SAFC and Emprove are formulated for use in drug substance and drug product manufacturing, where raw material documentation forms part of the regulatory record. These are the materials that sit upstream of the instruments in a life sciences laboratory, consumed in the course of an experiment rather than operated.
What is listed on Questpair?
The Questpair catalogue holds 173 Sigma-Aldrich items offered by 13 verified suppliers and distributors across 7 countries. 96 percent of the listings are used. Prices run from EUR 9 to EUR 7.500, and the average sits around EUR 961. The spread reflects a catalogue that mixes small reagent quantities with larger bulk or instrument-grade items, so a figure at one end of the range tells you little about a specific entry. Used and new items are both present, with used priced below new.
Because this is a chemistry and consumables catalogue more than an instrument catalogue, condition and documentation deserve closer reading on each listing than they would for a used instrument. Where a listing is missing a certificate, specification sheet, or manual, that documentation can be requested through Questpair, and specialists respond within an hour. Parts, where relevant to a water system or other equipment, can be sourced via Questpair. Warranty is often possible and is arranged in consultation for the specific listing. The catalogue pages here are the working view of what is available from this maker; reading the individual entry, its line, quantity, and condition, is the step that turns that view into a purchase.
Questpair review of Sigma-Aldrich
Our take based on listings data and supplier feedback
Sigma-Aldrich occupies an unusual position among the makers listed on Questpair: much of its catalogue is consumable chemistry rather than instrumentation, which shapes how a buyer should read the available stock. The first thing that stands out is the sheer breadth of the reagent and reference material range. Under the Sigma, Aldrich, Supelco, and Fluka names, the company covers biochemicals, analytical chemistry products, solvents, molecular biology reagents, and certified reference materials. For a laboratory that standardises on one supplier to keep lot-to-lot variation and documentation consistent, that breadth is the practical draw. A single maker spanning cell culture media, chromatography consumables, and reference standards means fewer separate qualification processes and one documentation format to track. Supelco in particular is worth noting for analytical and chromatography work, where column packings, standards, and sample preparation products sit together under one line.
The second point concerns the spread of supply on the marketplace itself. The Questpair catalogue lists 173 Sigma-Aldrich items from 13 verified suppliers and distributors across 7 countries. For a buyer, that geographic spread matters in two ways. It widens the pool of available stock beyond any single national supplier, and it makes it easier to compare what is actually on offer at a given moment rather than relying on a manufacturer price list. The catalogue is the view of real stock, not a specification sheet, which is the more useful thing when you are trying to source a specific reagent or reference material now.
The third consideration is condition and price, and here the data is clear enough to act on. 96 percent of the Sigma-Aldrich listings are used. Prices run from EUR 9 to EUR 7.500, with an average around EUR 961. The wide range reflects the mix in the catalogue, from small quantities of a reagent at the low end to larger instrument-grade or bulk items at the top. For used chemistry and consumables, condition carries a specific meaning that differs from used instrumentation, so the sensible approach is to read the individual listing closely: quantity, lot, storage history, and expiry where it applies. Used and refurbished items are listed below new prices, and that price gap is the main lever a buyer has when weighing the two.
A note on documentation, since it comes up with reagents more than with instruments. Where a listing lacks manuals, certificates, or specification sheets, those can be requested through Questpair, and specialists respond within an hour. Warranty terms are not set centrally and are arranged in consultation for the specific listing, which again points back to reading each entry on its own terms. The overall picture is of a supplier whose value on the marketplace lies in catalogue depth and price spread rather than in any single flagship product.
**Reagent and reference material breadth**
Sigma-Aldrich produces biochemicals, analytical reference materials, and cell culture reagents across product lines including Sigma, Aldrich, Supelco, and Fluka, covering most wet-chemistry and molecular biology workflows from a single maker.
**Supply spread across Europe**
The Questpair catalogue holds 173 Sigma-Aldrich listings from 13 verified suppliers and distributors across 7 countries, giving buyers a view of available stock without contacting each seller individually.
**Used stock at lower prices than new**
96 percent of the Sigma-Aldrich listings are used, and used items are priced below new. Prices run from EUR 9 to EUR 7.500.
Frequently asked questions
Where do I find manuals or documentation for a Sigma-Aldrich product?
If a listing is missing a certificate, specification sheet, or manual, you can request that documentation through Questpair and specialists respond within an hour. For reagents and reference materials, the relevant paperwork is often a certificate of analysis or a safety data sheet rather than an operating manual.
How much do Sigma-Aldrich items cost here?
Across the Questpair catalogue, prices range from EUR 9 to EUR 7.500, with an average around EUR 961. The spread is wide because the catalogue mixes small reagent quantities with bulk or instrument-grade items, so the range alone tells you little about a single entry.
What is the difference between refurbished and used listings?
Both are offered below the price of new items, and the condition of each is described on the individual listing. For a chemistry and consumables catalogue, reading the condition and documentation on each entry matters more than the label, since quantity, grade, and remaining shelf life vary.
Is there a warranty on these products?
A warranty is often possible and is arranged in consultation for the specific listing. Terms are not set centrally, so check the individual entry and raise the question before purchase.
Are Sigma-Aldrich products suitable for clinical or research use?
The catalogue covers reagents, certified reference materials, cell culture media, and molecular biology reagents used in research and quality control. For clinical or diagnostic use, the grade and documentation required are stated per product, so the certificate and specification on the listing determine whether it fits a given application.
How long do these products last?
Reagents, solvents, and reference materials carry a shelf life and storage conditions that depend on the product, and these are shown on the certificate or specification. Water purification systems and consumables under the Milli-Q name follow their own service and replacement intervals rather than a fixed lifespan.
Can I get parts for Sigma-Aldrich equipment?
Parts, where relevant to a water system or other equipment, can be sourced via Questpair. For consumables and reagents, the equivalent is ordering the correct quantity and grade from the listing.
What are the alternatives to Sigma-Aldrich?
The alternative depends on the category. For analytical standards and chromatography products, other suppliers of certified reference materials and column packings compete with the Supelco and Fluka lines; for cell culture media and molecular biology reagents, other life science suppliers offer comparable product classes. The Questpair catalogue lets you compare across suppliers within the category you need.
What is the lead time on an order?
Lead time is set by the individual supplier and the item, since listings come from 13 verified suppliers and distributors across 7 countries. Stocked reagents in standard quantities generally move faster than bulk or specialty items; the listing or the supplier can confirm the timing.
What is the difference between parts and spares here?
In practice the two terms refer to the same thing: components for a water system or other equipment, which can be sourced via Questpair. For reagents and consumables the comparable need is a replacement quantity of the same product at the same grade.
Do suppliers ship internationally?
Listings come from verified suppliers and distributors across 7 countries, so cross-border shipping is common. Chemicals, solvents, and temperature-sensitive reagents can carry transport restrictions and cold-chain requirements, so confirm shipping terms with the supplier on the specific listing.
Which Sigma-Aldrich product lines are there and how do they differ?
Sigma covers biochemicals and Aldrich covers organic and inorganic chemicals, the two historic strands of the merged company. Supelco serves analytical chemistry and chromatography, SAFC and Emprove cover biopharmaceutical raw materials and manufacturing where documentation and regulatory grade matter, Milli-Q covers water purification, BioReliance covers biological safety testing, and Fluka carries analytical reagents and reference materials.
Which Sigma-Aldrich instrument types are actually listed and in what condition?
The instrument-class entries on this page centre on centrifuges: laboratory centrifuge, benchtop centrifuge, centrifuge rotor, refrigerated centrifuge, refrigerated benchtop centrifuge, and clinical centrifuge. Both used and new items appear across the catalogue, with 96 percent of listings used; the condition of each is stated on its own entry.
What separates the cheapest listings from the most expensive?
The low end tends to be small reagent quantities and single consumables, while the high end covers bulk or instrument-grade items such as water purification systems and larger equipment. Condition also plays a part, since used and refurbished items are priced below new, which is why a figure at either end of the EUR 9 to EUR 7.500 range says little about a specific entry.
About Questpair
Questpair is the European marketplace for lab equipment, where AI-prepared cases and personal specialists guide every purchase. We work with 247 verified suppliers across 38 countries to find buyers the right new, used or refurbished instruments, with response within 1 hour and significant savings vs buying new.
Personal · Fast · Reliable · Affordable