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2-(4'-Hydroxybenzeneazo)benzoic acid (HABA) can be used as a MALDI mass spectrometry (MALDI-MS) matrix and has a strong absorbance at 337 nm. HABA is recommended for use to analyze oligosacharides or intact proteins.
HABA Matrix General Protocol & Product Information Sheet
Typical Matrix Working Solution: 10 mg/mL in 50:50:0.1 Water:Acetonitrile:TFA
Molecular Weight: 242.23
CAS Number: 1634-82-8
Alternative Names: HABA, 4'-Hydroxyazobenzene-2-carboxylic acid
Be sure to see ProteoChem's complete MALDI mass spec matrix product line here!