CAS 1378388-16-9 appears in our catalog under these names: Boc-cis-4-CH2OMe-Pro-OH 95%, (2S,4S)-4-(Methoxymethyl)-1,2-pyrrolidinedicarboxylic acid 1-(1,1-dimethylethyl) ester, 95%, 95%, N-Tert-Butoxycarbonyl-(4S)-4-Methoxymethyl-L-proline, 95.0%, (2S,4S)-1-(TERT-BUTOXYCARBONYL)-4-(METHOXYMETHYL)PYRROLIDINE-2-CARBOXYLIC ACID, 95%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 5g, 10g, 25g, 100g, 250mg, 1g, 10 g.