L-Pen-OH Product Catalog # Size Price (USD) Quantity L-Pen-OH181668-25G25 g$300.00 - L-Pen-OH-25g quantity + L-Pen-OH181668-100G100 g$1,000.00 - L-Pen-OH-100g quantity + Add to cart Description Synonyms: L-Penicillamine CAS #: 1113-41-3 Molecular Formula: C5H11NO2S