3(4H)-Pyridinone,5,6-dihydro-2-[(3â,5R,20S)- 3-hydroxy-6-oxopregnan-20-yl]-5-methyl- is a chemical compound registered under CAS number 79805-75-7. NewsChem supplies 3(4H)-Pyridinone,5,6-dihydro-2-[(3â,5R,20S)- 3-hydroxy-6-oxopregnan-20-yl]-5-methyl- for laboratory research and bulk production; product code 766369. Send an inquiry for purity, packaging, price and lead time.