Pregnenolone
孕烯醇酮
Also known as: 3β-Hydroxy-5-pregnen-20-one, 3beta-Hydroxypregn-5-en-20-one, 5-Pregnen-3β-ol-20-one, Delta5-Pregnenolone, Δ5-Pregnen-3β-ol-20-one, Pregn-5-en-20-one, 3-hydroxy-, 1-[(3S,8S,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone, Pregnelone, Pregnenlolone, Prenolon
Pregnenolone (CAS 145-13-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C21H32O2 and a molecular weight of 316.478 g/mol. It is also known as 3β-Hydroxy-5-pregnen-20-one, 3beta-Hydroxypregn-5-en-20-one and 5-Pregnen-3β-ol-20-one. Key properties include a melting point of 188-190 °C, a boiling point of 443.3±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 188.9±21.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 145-13-1
- Jingsj CID
- J-36009-8
- Molecular Formula
- C21H32O2
- Chinese Name
- 孕烯醇酮
- Molecular Weight
- 316.478 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188-190 °C |
|---|---|
| Boiling Point | 443.3±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 188.9±21.3 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Pregnenolone?
The CAS number of Pregnenolone is 145-13-1.
What are the molecular formula and molecular weight of Pregnenolone?
Pregnenolone has molecular formula C21H32O2 and molecular weight 316.478 g/mol.
Is Pregnenolone hazardous?
Pregnenolone has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pregnenolone (CAS 145-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36009-8 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.