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Product introduction

Trimethylphenylammonium hydroxide solution (TMPAH) is a quaternary ammonium compound that is commonly used as a strong base in organic synthesis. It is also used as a deprotecting agent for the removal of t-butoxycarbonyl (Boc) groups from amino acids or peptides and benzyl protecting groups from alcohols or amines.

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Chinese name

三甲基苯基氢氧化铵溶液

English name

Trimethylphenylammonium hydroxide solution

Chinese alias

苯基三甲基氢氧化铵

English alias

CAS number

1899-02-1

molecular formula

C9H15NO

molecular weight

153.22 g/mol

Exact mass

~25% in H₂O (1.68 M)

PSA

1.000 Å²

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