3α,21-dihydroxy-5α-pregnan-20-one
Also known as: Allotetrahydrodeoxycorticosterone, 21-Hydroxyallopregnanolone, Allopregnane-3α,21-diol-20-one, THDOC, Allotetrahydrocortexone
3α,21-dihydroxy-5α-pregnan-20-one (CAS 567-02-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H34O3 and a molecular weight of 334.49300 g/mol. Key properties include a boiling point of 470.3ºC at 760mmHg, a density of 1.115g/cm3 and a flash point of 252.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 567-02-2
- Jingsj CID
- J-1960179-7
- Molecular Formula
- C21H34O3
- Molecular Weight
- 334.49300 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 470.3ºC at 760mmHg |
|---|---|
| Density | 1.115g/cm3 |
| Flash Point | 252.3ºC |
| Exact Mass | 334.25100 |
| PSA | 57.53000 |
| LogP | 3.56760 |
| Refractive Index | 1.54 |
Frequently Asked Questions
What is the CAS number of 3α,21-dihydroxy-5α-pregnan-20-one?
The CAS number of 3α,21-dihydroxy-5α-pregnan-20-one is 567-02-2.
What are the molecular formula and molecular weight of 3α,21-dihydroxy-5α-pregnan-20-one?
3α,21-dihydroxy-5α-pregnan-20-one has molecular formula C21H34O3 and molecular weight 334.49300 g/mol.
What are the upstream and downstream products of 3α,21-dihydroxy-5α-pregnan-20-one?
For 3α,21-dihydroxy-5α-pregnan-20-one, Upstream Products: Allopregnanolone, Allopregnanolone, 5α-Dihydroprogesterone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3α,21-dihydroxy-5α-pregnan-20-one (CAS 567-02-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960179-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.