Merck KGaA, Darmstadt, Germany Products & Reviews

thymidylate synthase inhibitor

powder, BioReagent, suitable for cell culture

ECGS, suitable for cell culture  

lyophilized powder  

≥98% (HPLC), powder  

Equilibrated with 10 mM Tris HCl, pH 8.0, 1 mM EDTA, BioReagent, for molecular biology  

reagent grade, ≥95% (SDS-PAGE), lyophilized powder

With Earle?s salts and sodium bicarbonate, without L-glutamine, liquid, sterile-filtered, suitable for cell culture

bacterial, ≥95% (HPLC)  

powder, BioReagent, suitable for cell culture, suitable for insect cell culture  

MC-Media Pad® convenient culture media is used for rapid routine testing of microbial contamination in food and beverage samples throughout production, from raw materials, to finished products. They are based on chromogenic substances included in a media layer to give faster results while reducing the need for time-consuming agar media preparation time. Simply pipette 1 mL of sample to the center of the pad—it diffuses automat…

Request your free sample at: SigmaAldrich.com/pHast-Pack

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Automated Chemical Synthesis Platform

Expert-coded by chemists and engineered by computer scientists, SYNTHIA™ Retrosynthesis Software enables scientists to quickly find and easily navigate innovative and novel pathways for novel and published target molecules.

A successful packing material from the start: LiChrosorb® is one of the most successful and reliable packing materials used in HPLC for more than 25 years and documented in literature in the form of several thousand applications. The totally porous irregular particles are finely classified in the 5, 7 and 10 µm range. LiChrosorb® offers the complete programme of non-polar derivatives (RP-8, RP-18, RP-select B) polar derivativ…

Spherical silica carrier for constant results on high level: LiChrospher® are reliable and versatile traditionally produced spherical silica carrier. LiChrospher® silica carrier are available with different modifications. For the LiChrospher® RP-phases a selectivity and performance guarantee makes sure that these parameters remain constant form batch to batch and from year to year. The polar modified phases LiChrospher® CN, L…

LiChrospher® CN is a versatile HPLC sorbent based on spherical silica particles possessing both polar and hydrophobic properties. LiChrospher® CN may be used as weakly hydrophobic sorbent in reversed phase chromatography or as polar sorbent in normal phase chromatography.

LiChrospher® DIOL is a versatile HPLC sorbent based on spherical silica particles possessing both polar and hydrophobic properties. LiChrospher® DIOL may be used as weakly hydrophobic sorbent in reversed phase chromatography with some limitations or as polar sorbent in normal phase chromatography. LiChrospher® DIOL is also suitable for exclusion chromatography.

A versatile sorbent for both reversed phase and straight phase chromatography: LiChrospher® NH2 is a versatile HPLC sorbent based on spherical silica particles possessing both polar and hydrophobic properties. LiChrospher® NH2 may be used for normal phase chromatography, reversed phase chromatography and for ion exchange chromatography. Typical applications are the separation of carbohydrates (mono-, di- and oilgosaccharides)…

LiChrospher® PAH is a highly efficient and selective HPLC column especially designed for the high resolution separation of 16 PAH (polycyclic aromatic hydrocarbons) according to EPA 610 and 550 + benzo(e)pyrene + perylene. LiChrospher® PAH is based on a special modified RP-18 silica gel to achieve highly resolved PAH separations. LiChrospher® PAH can be used for both, the isocratic separation of 6 PAH according to the German…

For reproducible reversed phase separation: LiChrospher® RP-phases are reliable and versatile traditionally produced spherical silica carrier with reversed phase properties. They are well suited for the chromatography of acidic, neutral and weakly basic compounds, substances found frequently in all analytical fields. A selectivity and performance guarantee makes sure that these parameters remain constant form batch to batch a…

Excellent separations even with basic compounds: LiChrospher® RP-select B is a versatile reversed phase sorbent based on spherical silica particles with excellent properties for the determination of basic substances, but with still good properties for the determination neutral and acidic substances. LiChrospher® RP-select B is optimised in order to prevent any secondary interactions with basic substances and guarantees that…

High-resolution separations of peptides and tRNA molecules: LiChrospher® WP 300 RP-18 is a highly selective and reliable HPLC column for the separation of peptides and low molecular weight proteins. LiChrospher® WP 300 RP-18 enables the tailing-free separation of basic compounds and is excellently suited for the separation of tRNA molecules. High recovery rates are achieved, especially in the case of highly hydrophobic pepti…

Effective protection from hazardous airborne micro-organisms The new Merck MAS 100 NT® is the most accurate and reliable microbial air monitoring system on the market. Is product safety important to you? Rest assured – with the new MAS-100 NT®, you can reliably detect any airborne micro-organisms hazardous to your products. With the new MAS-100 NT® microbial air monitoring system, Merck offers a high-precision air sampler syst…