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NHS   CAS Number: 6066-82-6
   
 
     
Application It is commonly used as an activating reagent for carboxylic acids. Activated acids can react with amines to form amides for example, whereas a normal carboxylic acid would just form a salt with an amine.
Some alternatives to NHS are the water-soluble analog Sulfo-NHS, HOBt, HOAt and pentafluorophenol.
     
Chemical Name 1-Hydroxy-2,5-pyrrolidinedione
     
Chemical Data
     
Typical Properties C4H5NO3
     
Storage Recommendations
     
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