Megestrol

Also known as: 17-alpha-hydroxy-6-methylpregna-4,6-diene-3,20-dione, 17-hydroxy-6-methylpregna-4,6-diene-3,20-dione, 4,6-pregnadien-6-methyl-17-ol-3,20-dione, C07120, MFCD01939877, Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-

Megestrol (CAS 3562-63-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H30O3 and a molecular weight of 342.472 g/mol. Key properties include a boiling point of 500.4±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 270.5±26.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3562-63-8
Jingsj CID: J-1959781-0
Molecular Formula: C₂₂H₃₀O₃
Molecular Weight: 342.472 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	500.4±50.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	270.5±26.6 °C
Exact Mass	342.219482
PSA	54.37000
LogP	3.06
Vapor Pressure	0.0±2.9 mmHg at 25°C
Refractive Index	1.569

Activity & Biological Data

Additional Information	[1]. Garcia JM, et al. Off-Label Megestrol in Patients with Anorexia-Cachexia Syndrome Associated with Malignancy and Its Treatments. Am J Med. 2018 Jun;131(6):623-629.e1.

Frequently Asked Questions

What is the CAS number of Megestrol?

The CAS number of Megestrol is 3562-63-8.

What are the molecular formula and molecular weight of Megestrol?

Megestrol has molecular formula C22H30O3 and molecular weight 342.472 g/mol.

What are the upstream and downstream products of Megestrol?

For Megestrol, Upstream Products: Megestrol acetate, Medroxyprogesterone, Medroxyprogesterone acetate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Megestrol (CAS 3562-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959781-0 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.