1) Cat. No.: TRC-B693485; 2) Chemical Name: trans-N-tert-Butyloxycarbonyl-4-tosyloxy-L-proline Methyl Ester; 3) CAS No.: 88043-21-4; 4) Mol. Formula: C18H25NO7S; 5) Mol. Weight: 399.46; 6) Packing Size: 100mg / 1g; 7) Appearence: White Solid; 8) Application Notes: 4-Hydroxy-L-proline (H952376) derivative. Used in the preparation of bicycloazahydantoins, as androgen receptor antagonists; 9) Synonym: (2S,4R)-4-[[(4-Methylphenyl)sulfonyl]oxy]-1,2-pyrrolidinedicarboxylic Acid 1-(1,1-Dimethylethyl) 2-Methyl Ester; tert-Butyl Methyl (2S,4R)-4-[[(4-Methylphenyl)sulfonyl]oxy]pyrrolidine-1,2-dicarboxylate ; 10) Solubility: Chloroform; 11) Storage condition: ; 12) References: Balog, A. et al.: Bioorgan. Med. Chem. Lett. 14, 6107 (2004)