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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 227113Generated: October 27, 2026

3beta-Acetoxy-5alpha-pregnan-20-one

-Acetate · -Pregnan-3β-ol-20-one3βAllogenein acetate · Allopregnanolone acetate · EPIALLOPREGNANOLONE ACETATE · 5α-PREGNAN-3β-OL-20-ONE ACETATE · Allopregnan-3β-ol-20-one acetate · 5A-pregnan-3B-ol-20-one 3B-acetate · Allopregnan-3.β.-ol-20-one acetate

https://huagongshe.com/en/chemical/227113

3beta-Acetoxy-5alpha-pregnan-20-one molecular structure

Identifiers & Physical Properties

CAS No.906-83-2
Molecular formulaC23H36O3
Average molar mass360.5 g/mol
SMILESCC(=O)O[C@H]1CC[C@@]2(C)[C@@H](CC[C@@H]3[C@@H]2CC[C@]2(C)[C@@H](C(C)=O)CC[C@@H]32)C1
InChIKeyGFHOQCXDABGYAL-POBGKJHXSA-N
PubChem CID227113
ChEBICHEBI:79918
EC No.149-048-5

Chemical & Physical Properties

XLogP5.4
Topological polar surface area43.4
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds3
Heavy atoms26
Formal charge0
Complexity598
Melting point143 °C
Boiling point443.7±18.0 °C(Predicted)
Density1.07±0.1 g/cm3(Predicted)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP280-P305+P351+P338
Water hazard class (WGK)3

Safety & Regulations

Water hazard class (WGK)3
Signal wordWarning
GHS pictogramGHS07
GHS hazard statementsH302-H315-H319-H335
GHS precautionary statementsP280-P305+P351+P338

Applications & Uses

Uses

5α-Pregnan-3β-ol-20-one 3β-Acetate is a derivative of Pregnenolone (P712200); a steroid hormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. As such it is a prohormone. Pregnenolone is a GABAA antagonist and increases neurogenesis in the hippocampus. It is a modulator of cytochrome P 450-3A.