Synonyms: 19-norandrosta-4,9-diene-3,17-dione;4,9-ESTRADIEN-3,17-DIONE;4,9-ESTRADIENE-3,17-DIONE;ESTRA-4,9-DIENE-3,17-DIONE;METHYLDIENEDIONE;ESTRA-4,9-DIENE-3,17-DIONE ENTERPRISE STANDARD;ESTRA-4,9-DIENE-3,17-DIONE 99%;Estra-4,9-diene-3

CAS NO: 5173-46-6

Molecular Formula: C19H20O2

Molecular Weight: 280.36

Melting point: 131-134°C

Appearance: white crystalline power

Content: 98%

Usage: A potential metabolitie of STS 557 (Dienogest). A steroid with antiglucocorticoid activity