ALLOTETRAHYDROCORTISOL

Modify Date: 2026-08-06 18:51:56

ALLOTETRAHYDROCORTISOL Structure
ALLOTETRAHYDROCORTISOL structure
Common Name ALLOTETRAHYDROCORTISOL
CAS Number 302-91-0 Molecular Weight 366.49200
Density 1.253g/cm3 Boiling Point 545.1ºC at 760mmHg
Molecular Formula C21H34O5 Melting Point 244.5ºC
MSDS N/A Flash Point 297.6ºC

 Use of ALLOTETRAHYDROCORTISOL


Allotetrahydrocortisol (5a-Tetrahydrocortisol) is a metabolite of Cortisol. Cortisol is the main glucocorticoid in human. It is produced in adrenal cortex and plays a crucial role in many physiological processes[1][2].

Summary: Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one (ALLOTETRAHYDROCORTISOL) is a metabolite of Cortisol, the main glucocorticoid in humans, produced in the adrenal cortex and involved in various physiological processes. CAS number: 302-91-0, molecular formula: C21H34O5, molecular weight: 366.49200. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one
Synonym More Synonyms

 ALLOTETRAHYDROCORTISOL Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Allotetrahydrocortisol (5a-Tetrahydrocortisol) is a metabolite of Cortisol. Cortisol is the main glucocorticoid in human. It is produced in adrenal cortex and plays a crucial role in many physiological processes[1][2].
Related Catalog
Target

Human Endogenous Metabolite

In Vitro Allotetrahydrocortisol (5a-Tetrahydrocortisol) is a natural C21 steroid of animal origin, and has the axial configuration of its 3-hydroxyl group[1].
References

[1]. BUSH IE, et al. The excretion of allo tetrahydrocortisol in human urine. Biochem J. 1957 Dec;67(4):689-700.

[2]. Kosicka K, et al. Detailed analysis of cortisol, cortisone and their tetrahydro- and allo-tetrahydrometabolites in human urine by LC-MS/MS. J Pharm Biomed Anal. 2017 Jun 5;140:174-181.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.253g/cm3
Boiling Point 545.1ºC at 760mmHg
Melting Point 244.5ºC
Molecular Formula C21H34O5
Molecular Weight 366.49200
Flash Point 297.6ºC
Exact Mass 366.24100
PSA 97.99000
LogP 1.65330
Index of Refraction 1.579
InChIKey AODPIQQILQLWGS-FDSHTENPSA-N
SMILES CC12CCC(O)CC1CCC1C2C(O)CC2(C)C1CCC2(O)C(=O)CO

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~97%

ALLOTETRAHYDROCORTISOL Structure

ALLOTETRAHYDROC...

CAS#:302-91-0

Learn More
Literature: Okihara, Rika; Mitamura, Kuniko; Hasegawa, Maki; Mori, Megumi; Muto, Akina; Kakiyama, Genta; Ogawa, Shoujiro; Iida, Takashi; Shimada, Miki; Mano, Nariyasu; Ikegawa, Shigeo Chemical and Pharmaceutical Bulletin, 2010 , vol. 58, # 3 p. 344 - 353

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ALLOTETRAHYDROCORTISOL Structure

ALLOTETRAHYDROC...

CAS#:302-91-0

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Literature: Journal of Organic Chemistry, , vol. 24, p. 669,672

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

KENDALL'S COMPOUND 'C'
Allotetrahydrocortisol
ALLO THF
5a-Tetrahydrocortisol
REICHSTEIN'S SUBSTANCE 'C'
KENDALL'S COMPUND ''C''

 ALLOTETRAHYDROCORTISOL | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: LogP of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is 1.65330.
Q: What is the SMILES notation of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: SMILES notation of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is CC12CCC(O)CC1CCC1C2C(O)CC2(C)C1CCC2(O)C(=O)CO.
Q: What is the polar surface area (PSA) of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Polar surface area (PSA) of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is 97.99000.
Q: What English synonyms does Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one have?
A: English synonyms of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one: KENDALL'S COMPOUND 'C', Allotetrahydrocortisol, ALLO THF, 5a-Tetrahydrocortisol, REICHSTEIN'S SUBSTANCE 'C', KENDALL'S COMPUND ''C''.
Q: What is the boiling point of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Boiling point of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is 545.1ºC at 760mmHg.
Q: What is the molecular weight of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Molecular weight of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is 366.49200.
Q: What is the melting point of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Melting point of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is 244.5ºC.
Q: What is the InChIKey of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: InChIKey of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is AODPIQQILQLWGS-FDSHTENPSA-N.
Q: What are the uses of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Main uses of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one: Allotetrahydrocortisol (5a-Tetrahydrocortisol) is a metabolite of Cortisol. Cortisol is the main glucocorticoid in human. It is produced in adrenal cortex and plays a crucial role in many physiological processes[1][2].
Q: What is the molecular formula of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one?
A: Molecular formula of Allopregnane-3.α.,11.β.,17.α.,21-tetrol-20-one is C21H34O5.

 ALLOTETRAHYDROCORTISOLfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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