Skip Navigation
ChemIDplus Lite•Browse•Advanced

Substance Name: Megestrol [INN:BAN]
RN: 3562-63-8
UNII: EA6LD1M70M
InChIKey: VXIMPSPISRVBPZ-NWUMPJBXSA-N

Note

  • 17-Hydroxy-6-methylpregna-3,6-diene-3,20-dione. A progestational hormone used most commonly as the acetate ester. As the acetate, it is more potent than progesterone both as a progestagen and as an ovulation inhibitor. It has also been used in the palliative treatment of breast cancer.

Molecular Formulas

  • C22-H20-O3
  • C22-H30-O3

Molecular Weight

  • 342.476
 

Classification Codes

  • Antineoplastic Agents
  • Antineoplastic Agents, Hormonal
  • Contraceptive Agents
  • Contraceptive Agents, Female
  • Contraceptives, Oral
  • Contraceptives, Oral, Synthetic
  • Hormone
  • Reproductive Control Agents
* denotes mobile formatted website

Links to Resources

NLM Resources (File Locators)

Regulatory Agencies (Superlist Locators)

Other Resources (Internet Locators)


Search for this InChIKey on the Web

Names and Synonyms

Name of Substance

  • Megestrol
  • Megestrol [INN:BAN]

MeSH Heading

  • Megestrol

Synonyms

  • 17-Hydroxy-6-methylpregna-4,6-diene-3,20-dione
  • EINECS 222-628-6
  • HSDB 3233
  • Megestrol
  • Megestrolo
  • Megestrolo [DCIT]
  • Megestrolum
  • Megestrolum [INN-Latin]
  • Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-
  • UNII-EA6LD1M70M

Systematic Names

  • Megestrol
  • Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-

Registry Numbers

CAS Registry Number

  • 3562-63-8

FDA UNII

  • EA6LD1M70M

System Generated Number

  • 0003562638

Structure Descriptors

InChI

1S/C22H30O3/c1-13-11-16-17(20(3)8-5-15(24)12-19(13)20)6-9-21(4)18(16)7-10-22(21,25)14(2)23/h11-12,16-18,25H,5-10H2,1-4H3/t16-,17+,18+,20-,21+,22+/m1/s1

InChIKey

VXIMPSPISRVBPZ-NWUMPJBXSA-N

Smiles

CC1=C[C@@H]2[C@H](CC[C@]3([C@H]2CC[C@@]3(C(=O)C)O)C)[C@@]4(C1=CC(=O)CC4)C