5apregnane3,20dione

5-[(1H-indol-3-yl)methylidene]imidazolidine-2,4-dione ((4Z)-4-(1H-indol-3-ylmethylidene)-4H-imidazole-2,5-diol) is a marine derived natural products found in Leptopsammia pruvoti.

16a,17a-Epoxy-4-Pregnen-3,20-Dione is a synthetic progestin, a metabolite of the luteinizing hormone hormone, which acts by binding to the luteinizing hormone receptor. It has been used to study the effects of progesterone on reproductive organs, the effects of the hormone on cell growth and development, and the effects of the hormone on the immune system.

4-Hydroxy-1,10-secocadin-5-ene-1,10-dione is a natural product of Casearia, Flacourtiaceae. The catalog number is TN3031 and the CAS number is 226904-40-1. 4-Hydroxy-1,10-secocadin-5-ene-1,10-dione can be used as a reference standard.

Stigmast-5-ene-3,7-dione (Compound 10), isolated from the roots, leaves, and twigs of Penianthus longifolius [1], is a naturally occurring chemical entity.

5a-Pregnane-3,20-dione is a biologically active 5-alpha-reduced metabolite of plasma progesterone

5-Allyl-3-methoxy-6-methyl-7-(3,4,5-trimethoxyphenyl)bicyclo[3.2.1]oct-3-ene-2,8-dione is a natural product for research related to life sciences. The catalog number is TN3104 and the CAS number is 106894-43-3.