Synonyms: D-Pen-OH D-2-Amino-3-mercapto-3-methylbutanoic acid Purity Limit: ≥ 99% CAS No.: 52-67-5 Molecular Formula: C5H11NO2S Molecular Weight: 149.2 MDL No.: MFCD00064302 Appearance: White to off-white crystalline powder Optical Rotation: [a]D20 = - 63 ± 2 º (C=1 in 1N…