pharmaceuticial intermediates
Norethisterone & acetate
CAS No.: 51-98-9
Chemical Name: D(-)-17a-ethinyl-17?-hydroxy-18-methyl-estra-4-ene-3-one
Chemical Formula:C22H28O3
19-Nor-4-Androsten-3,17-dione
Description:white or almost white crystalline powder
Specification:CP2000/USP