Building Blocks

New Products from Aldrich Chemistry

Featured Building Blocks

In collaboration with K. Barry Sharpless and coworkers, Aldrich Chemistry now offers a variety of sulfonyl fluoride building blocks (Product #′s: ALD00044, ALD00058, ALD00064, ALD00052, ALD00056, ALD00126, and ALD00192). These products have desired reactive properties, such as resistance to oxidation and reduction and the capability to react on water. Additionally, sulfonyl fluorides offer increased stability than comparable sulfonyl halides.

View Details for Aldrich Product No. ALD00044 2-Phenylethenesulfonyl fluoride .................. View Details for Aldrich Product No. ALD00058 5-Bromo-2-methoxybenzenesulfonyl fluoride .................. View Details for Aldrich Product No. ALD00064 2,5-Dimethoxybenzenesulfonyl fluoride .................. View Details for Aldrich Product No. ALD00192 2-Chlorobenzenesulfonyl fluoride

Below is a small selection of over 17,000 new building block products that Sigma-Aldrich has recently introduced to the market. Please use the link below to browse our building blocks online product catalog for a complete listing of new and existing products for your chemistry needs.

View new Building Blocks or All Building Blocks to refine by category, grade, purity, and various physical properties.

See our Online Product Catalog for additional product offerings under Building Blocks.

Product #



Molecular Formula

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900988 3-Aminophenylboronic acid New C6H8BNO2
901266 Betanin (red beet extract diluted with dextrin) New C24H26N2O13
901252 2,6-Dimethylaniline hydrochloride ≥98% New C8H12ClN
900999 4-Ethynylbenzoic acid New C9H6O2
901221 1-Fluoro-3-isopropoxybenzene ≥95% New C9H11FO
901275 Sodium ethyl sulfate ≥98% New C2H5NaO4S