(7alpha,17alpha)-17,19-Dihydroxy-7-methyl-19-norpregn-4-en-20-yn-3-one
[CAS 105186-35-4]

Identification

• Name: (7alpha,17alpha)-17,19-Dihydroxy-7-methyl-19-norpregn-4-en-20-yn-3-one
• Synonyms: 10beta-Hydroxy-delta4-tibolone
• Molecular Formula: C₂₁H₂₈O₃
• Molecular Weight: 328.45
• CAS Registry Number: 105186-35-4
• EC Number: 856-113-8

Properties

• Solubility: Practically insoluble (0.082 g/L) (25 °C), Calc.^*
• Density: 1.20±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 198-201 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Choudhary, M. Iqbal

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H332
Carcinogenicity	Carc.	2	H351
Acute toxicity	Acute Tox.	4	H312
Reproductive toxicity	Repr.	1B	H360Df
Reproductive toxicity	Repr.	1B	H360