Testosterone undecanoate English Synonyms: TESTOSTERONE UNDECANOATE;TESTOSTERONE UNDECANOILATE;17-beta-hydroxy-5-alpha-androstan-3-onundecanoate;testosterone,undecanoate(ester);andriol;4-ANDROSTEN-17BETA-OL-3-ONE 17-UNDECANOATE;4-ANDROSTEN-17-BETA-OL-3-ONE UNDECANOATE;17-[(1-oxoundecyl)oxy]-androst-4-en-3-one CAS NO.: 5949-44-0 Assay: 98% Molecular Formula:C30H48O3 Molecular Weight:456.7 Packing:1kg/tin Usage: Male hormone, for male sexual dysfunction, aplastic anemia