Appearance White or off-white powder Conforms Specific rotation(a)D20 (c=1 in CHCl3 ) -63o to -67? -65.2o Melting Point (?C) 92?C to 96 ?C 92?C Loss on drying Not more than 0.50% 0.39% Purity Not less than 98.0% 99.1% Conclusion The product conforms to the standard.

CAS NO:74844-91-0

EC NO:

Molecular Formula:C₁₁H₁₉NO₅

Molecular Weight:245.2723

Synonyms:;N-BOC-trans-4-hydroxy-L-proline methyl ester;N-Boc-trans-4-hydroxy-L-prolinemethylester;(2S,4R)-1-tert-butyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate;(2S,4R)-1-Boc-4-Hydroxy-Proline Methylester;N-(tert-butoxycarbonyl)-cis-4-hydroxy-L-proline Methyl ester;N-(tert-Butoxycarbonyl)-trans-hydroxy-L-proline methyl ester;O1-tert-butyl O2-methyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate;Boc-trans-4-hydroxy-L-proline methyl ester;BOC-L-Hydroxyproline methyl ester;1-tert-butyl 2-methyl (2S,4R)-4-hydroxypyrrolidine-1,2-dicarboxylate;N-(tert-Butoxycarbonyl)-trans-4-hydroxy-L-proline Methyl Ester;

Molecular Structure: