Profile: Shanghai Panqi Biochem Tech Co., Ltd. specializes in offering amino acids. Our non-protected unusual amino acids include (S)-2-amino-5-methylhexanoic acid, (R)-2-amino-3,3-diphenylpropanoic acid, (2S,3R)-2-amino-3-hydroxy-4,4-dimethylpentanoic acid and (R)-2-amino-2-methylbutanoic acid. 2-amino-2,3-dihydro-1H-indene-2-carboxylic acid is a white crystalline powder. Our N-boc unusual amino acids include (S)-2-(tert-butoxycarbonylamino)-3-cyclopentylpropanoic acid, (S)-2-(tert-butoxycarbonylamino)-3-hydroxy-2-methylpropanoic acid, (R)-2-(tert-butoxycarbonylamino)-2-methylbutanoic acid, and (S)-2-(tert-butoxycarbonylamino)-3-methoxypropanoic acid.