Highly selective reducing agents trusted to introduce key functional groups in highly complex molecules.

CALLERY Boranes offer a complete toolbox of products that deliver high yields, low impurities, and simple isolation allowing you to select the optimal borane for your transformation.

CALLERY Boranes Applications

Chemical Synthesis

Key reagents used in the reduction of aldehydes, ketones, carboxylic acids, amides and olefins.


  • - Pharmaceuticals
Suzuki Coupling Precursor

Enables the production of valuable biaryls from pyridyl and related heterocylces.


  • - Pharmaceuticals
  • - Electronic Materials
Olefin Functionalization

Efficient hydroboration agents to produce alcohols used in pharmaceuticals and more.


  • - Pharmaceuticals
  • - Oil & Energy
  • - Electronic Materials
Polymer Initiator

Radical polymerization initiators assisting in adhesives and tire manufacturing.


  • - Coatings
  • - Adhesives
  • - Sealants
  • - Elastomers

The benefits of CALLERY Boranes

Superior Quality

With over 50 years in the business, Ascensus has perfected the process to ensure batch to batch consistency so our partners know what they are getting every time.

Cost Effective

Targeted chemistry using boranes leads to fewer impurities and reduced side reactions making certain you are maximizing your throughput in your syntheses..

Convenient Packaging

By bulk packaging in cylinders, we are able to effectively reduce operator exposure and ensure safer handling of highly reactive materials.

Available Products
  • CALLERY Borane tetrahydrofuran (BTHF)
  • CALLERY Dimethylsulfide borane (DMSB)
  • CALLERY Triethylamine borane (TEAB)
  • CALLERY N,N-Diethylaniline borane (DEANB)
  • CALLERY 5-Ethyl-2-methylpyridine borane (PEMB)
  • CALLERY Triethylborane (TEB)
  • CALLERY Tri-n-butylborane-3-methoxypropylamine (TnBB-MOPA)
  • CALLERY (+)-Diisopinocampheylchloroborane ((+)-DPC)
  • CALLERY (-)-Diisopinocampheylchloroborane ((-)-DPC)
  • CALLERY (R)-Methyl oxazaborolidine ((R)-MeCBS)
  • CALLERY (S)-Methyl oxazaborolidine ((S)-MeCBS)
  • CALLERY Methoxydiethylborane (MDEB)
  • CALLERY Triethylborane-1,3-diaminopropane (TEB-DAP)
  • CALLERY Triethylborane-diethylenetriamine (TEB-DETA)
Packaging Sizes
Lab Samples
Intermediate Sizes
Production Sizes
Drums, Cylinders, & Bulk packages

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