GlobeChemie The Chemical Planet | 1-Hydroxybenzotriazole Anhydrous Sinnar
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Part Number 10561
Product Name 1-Hydroxybenzotriazole Anhydrous
Alternate Name 1-HOBT anhydrous
Cas Number 2592-95-2
Molecular Formula C6H5N3O
Molecular Weight 135.12
Standard Packing 25KG HMHDPE DRUMS
Packing Group I
UN Number 0
Hazardous 4.1
HSN Code 29339100
Download MSDS

Coupling Reagents, Used in Peptide Chemistry, Sitagliptin, Atazanavir. 

HOBt is also used for the synthesis of amides from carboxylic acids aside from amino acids



Specifications Limit


White to off White Powder

Melting Range

In between 150OC to 160oC

Water Content

NMT 1.0%

Identification by HPLC

Retention time of Standard sample shall match with the test sample

Assay by Titration

NLT 98.00%

Purity by HPLC

NLT 99.00%