H-cis-L-Hyp-OH Product Catalog # Size Price (USD) Quantity H-cis-L-Hyp-OH180824-25G25 g$300.00 - H-cis-L-Hyp-OH-25g quantity + H-cis-L-Hyp-OH180824-100G100 g$800.00 - H-cis-L-Hyp-OH-100g quantity + H-cis-L-Hyp-OH180824-500G500 g$1,800.00 - H-cis-L-Hyp-OH-500g quantity + Add to cart Description Synonym: cis-4-Hydroxy-L-proline CAS #: 618-27-9 Molecular Formula: C5H9NO3 Molecular Weight: 131.1