Ketosulfoxonium ylides have become increasingly popular as stable and safe α-diazocarbonyl equivalents, including for large scale reactions. They serve as versatile and convenient carbene equivalents that release dimethyl sulfoxide as a biproduct.

Analysis of Active Cannabis Compounds in Edible Food Products: Gummy Bears and Brownies

Potency testing in marijuana-infused edibles is an important problem that analytical labs are facing due to the complexity of the involved matrices. Concentration of active ingredients in these edibles can range from a few parts per million to 3.5 parts

Inserting Gels into Ettan™ DALT Electrophoresis Units

This protocol shows how to insert gels into Ettan™ DALT electrophoresis units.

Column Packing and Preparation for Size Exclusion Chromatography

C–H Functionalization

C–H functionalization is the reliable and predictable conversion of a C–H into a C–C, C–N, C–O, or C–X bond in a selective and controlled fashion.

Applying Equilibrated Immobiline® DryStrip Gels to SDS Gels

This page shows how to apply equilibrated Immobiline DryStrip gels

Sulfonyl Chlorides and Sulfonamides

Sulfonyl chlorides are often chosen as building blocks in medicinal chemistry for their ability to easily react with heterocyclic amines to create complex sulfonamides.

PI and PSI – Chiral phosphorus incorporation harnessing the potential of P(V)

PI and PSI reagents are a platform of phosphate-based reagents for phosphorylation and phosphothiolation of nucleotides and peptides developed by the Baran lab.

Tools for PEGylation

Polyethylene glycol (PEG) reagents offer numerous favorable characteristics, including high water solubility, high mobility in solution, lack of toxicity and immunogenicity, and ready clearance from the body.

Multiplexed Evaluation of Soluble Immune-Checkpoint Molecules | MILLIPLEX® Assays

Research evaluating immune checkpoints may help identify those likely to benefit from PD-1/PD-L1 immunotherapy and reveal new immunotherapy targets for future investigation. See how the MILLIPLEX® Human Immuno-Oncology Checkpoint Protein Panel 2 was used to multiplex immune checkpoint molecules for

Analysis of Isocyanates Using the ASSET™ EZ4-NCO Dry Sampler

The unique sampler design ensures that both the vapor phase and particulate isocyanates are captured and derivatized during sampling.

DuPhos and BPE Ligands

Asymmetric hydrogenation reactions represent the ideal process for the commercial manufacture of single-enantiomer compounds, because of the ease by which these robust procedures can be scaled up and because of the low levels of byproducts generated in these asymmetric hydrogenations.

Quantitative Analysis of Nitrosamine Impurities by LC-MS Methods from the United States Pharmacopeia General Chapter <1469>

This application note describes the LC-MS-based quantitative analysis of known nitrosamine impurities following procedures 1 and 3 as given in USP general chapter .

CBS Catalysts

we are pleased to offer both enatiomers of 2-methyl-CBS-oxazaborolidine as a dry reagent, in addition to our current offerings as a 1M solution in toluene.

Flavors and Fragrances New Product Offerings

As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.

Determination of Stevioside and Rebaudioside A in Stevia leaves, beverages and food additives using HPTLC-MS

HPTLC-MS was used to analyze stevioside and rebaudioside in artificial sweeteners, stevia plants, cola and isotonic drinks with a minimum of sample preparation.

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