Medroxyprogesterone
Also known as: 17α-Hydroxy-6α-methyl-4-pregnene-3,20-dione, 17α-Hydroxy-6α-methylprogesterone, 6α-Methyl-17α-hydroxyprogesterone, 6α-Methyl-17α-hydroxypregn-4-ene-3,20-dione, (6α)-17-Hydroxy-6-methylpregn-4-ene-3,20-dione, Medroxyprogesteron, Medrossiprogesterone, Farlutal, U 8840, NSC 27408
Medroxyprogesterone (CAS 520-85-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C22H32O3 and a molecular weight of 344.488 g/mol. Key properties include a melting point of 220-223.5ºC, a boiling point of 488.0±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 263.0±25.2 °C. It is classified under GHS with signal word Warning and hazard statements H361 — Suspected of damaging fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 520-85-4
- Jingsj CID
- J-1964574-0
- Molecular Formula
- C22H32O3
- Molecular Weight
- 344.488 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 220-223.5ºC |
|---|---|
| Boiling Point | 488.0±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 263.0±25.2 °C |
| Exact Mass | 344.235138 |
| PSA | 54.37000 |
| LogP | 3.38 |
| Vapor Pressure | 0.0±2.8 mmHg at 25°C |
| Refractive Index | 1.554 |
| Storage Conditions | Refrigerator |
GHS Safety & Compliance
- H361 — Suspected of damaging fertility or the unborn child
Activity & Biological Data
| Additional Information | [1]. http://en.wikipedia.org/wiki/Medroxyprogesterone |
|---|
Frequently Asked Questions
What is the CAS number of Medroxyprogesterone?
The CAS number of Medroxyprogesterone is 520-85-4.
What are the molecular formula and molecular weight of Medroxyprogesterone?
Medroxyprogesterone has molecular formula C22H32O3 and molecular weight 344.488 g/mol.
Is Medroxyprogesterone hazardous?
Medroxyprogesterone has GHS signal word Warning and hazard statements H361 — Suspected of damaging fertility or the unborn child.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Medroxyprogesterone (CAS 520-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964574-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.