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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900930 6-Azidohexanoic acid ≥95% New C6H11N3O2
900580 (R)-2-Benzylpiperidine ≥95% New C12H17N
900618 3-(3-(Bromomethyl)-5-ethynylphenyl)-3-(trifluoromethyl)-3H-diazirine 95% New C11H6BrF3N2
900859 3-Bromo-5-((trimethylsilyl)ethynyl)benzenesulfonyl fluoride ≥95% New C11H12BrFO2SSi
901000 1,4-Cubanedicarboxylic acid ≥97% New C10H8O4
900998 Dipyridin-4-ylmethanone ≥95% New C11H8N2O
900610 Hydroxyl di-benzophenone (PEG)3 alkyne New C37H33NO9
901001 4-Methoxycarbonylcubanecarboxylic acid ≥97% New C11H10O4
900858 2-(Prop-2-yn-1-yloxy)-4-(3-(trifluoromethyl)-3H-diazirin-3-yl)benzoic acid ≥95% New C12H7F3N2O3
900996 2-(1H-Pyrrol-1-yl)ethanamine ≥95% New C6H10N2