For research use only. Not for therapeutic Use.
Pregna-4,9(11)-diene-3,20-dione (Cat No.:C000809) is a chemical compound primarily composed of the steroidal core structure of a pregnant. With a keto group at positions 3 and 20, it is a precursor to various important steroids, including hormones. Its 90% purity indicates a concentrated form. This compound likely serves as a key intermediate in the synthesis of pharmaceuticals, especially corticosteroids and hormonal medications.
Catalog Number | C000809 |
CAS Number | 17652-16-3 |
Synonyms | Progesterone Impurity K; |
Molecular Formula | C₂₁H₂₈O₂ |
Purity | ≥95% |
Solubility | Chloroform (Slightly), Dioxane (Slightly) |
Appearance | White to Off-White Solid |
Storage | -20°C, Hygroscopic |
IUPAC Name | 17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one |
InChI | InChI=1S/C21H28O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h9,12,16-18H,4-8,10-11H2,1-3H3 |
InChIKey | LCXMRSLFWMMCAS-UHFFFAOYSA-N |
SMILES | CC(=O)C1CCC2C1(CC=C3C2CCC4=CC(=O)CCC43C)C |
Reference | Thomas, P. et al.: Endocrinol., 148, 705 (2007); Anderson, E., et al.: Breast Cancer Res., 4, 197 (2002), Lanari, C., et al.: Breast Cancer Res., 4, 240 (2002), Albrecht, E.D., et al.: Front. Biosci., 8, 416 (2003), Qiu, M., et al.: J. Steroid Biochem. Mol. Biol., 85, 147 (2003), |