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Steroids and sterols

20-Hydroxycortisol

Also known as Reichstein's substance E, Pregn-4-en-3-one, 11,17,20,21-tetrahydroxy-, (11beta)-, (8S,9S,10R,11S,13S,14S,17R)-17-(1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one

CAS 2899-95-8Formula C21H32O5Molar mass 364.48 g/mol
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20-Hydroxycortisol chemical structure, C21H32O5, CAS 2899-95-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2899-95-8
Formula
C21H32O5
Molar mass
364.48 g/mol
HS code
291440
Category
Steroids and sterols

What is 20-Hydroxycortisol?

Plain description, key identifiers and synonyms

20-Hydroxycortisol is a chemical substance with the molecular formula C21H32O5 and a molar mass of 364.48 g/mol. Its CAS registry number is 2899-95-8. The IUPAC name is (8S,9S,10R,11S,13S,14S,17R)-17-(1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,9S,10R,11S,13S,14S,17R)-17-(1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
CAS number
2899-95-8
Molecular formula
C21H32O5
InChIKey
AWWCEQOCFFQUKS-DPDBKTHMSA-N
InChI
InChI=1S/C21H32O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h9,14-18,22,24-26H,3-8,10-11H2,1-2H3/t14-,15-,16-,17?,18+,19-,20-,21-/m0/s1
Canonical SMILES
CC12CCC(=O)C=C1CCC1C2C(O)CC2(C)C1CCC2(O)C(O)CO
Isomeric SMILES
C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2[C@H](C[C@]4([C@H]3CC[C@@]4(C(CO)O)O)C)O

Synonyms

  • Reichstein's substance E
  • Pregn-4-en-3-one, 11,17,20,21-tetrahydroxy-, (11beta)-
  • (8S,9S,10R,11S,13S,14S,17R)-17-(1,2-dihydroxyethyl)-11,17-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one
  • 11beta,17,20,21-Tetrahydroxypregn-4-en-3-one
  • 11beta,17,20 beta,21-Tetrahydroxypregn-4-en-3-one

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
364.48 g/molcalc.
Exact mass
364.225 Dacalc.
LogP (octanol/water)
1.57calc.
Topological polar surface area
97.99 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
26calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.86calc.
Formal charge
0calc.
Stereocentres
8calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=C2CCC3C4CCCC4CCC3C2CC1

O=C1C=C2CCC3C4CCCC4CCC3C2CC1

4 rings, 18 atoms.

1,419 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

20-Hydroxycortisol suppliers

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20-Hydroxycortisol price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 20-Hydroxycortisol is traded under.

HS 2914.40Indicative HS code

Ketone-alcohols and ketone-aldehydes

World exports in 2024
$199M
+2.5% vs 2023, imports $247M
2019 to 2024
Top exporters
  1. China29.5%
  2. Germany14.4%
  3. Netherlands12.7%
Top importers
  1. United States37.2%
  2. Netherlands8.5%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 20-Hydroxycortisol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 20-Hydroxycortisol, based on the data on this page

What is 20-Hydroxycortisol?

20-Hydroxycortisol is a chemical substance with the molecular formula C21H32O5 and a molar mass of 364.48 g/mol. Its CAS registry number is 2899-95-8.

What is the CAS number of 20-Hydroxycortisol?

The CAS registry number of 20-Hydroxycortisol is 2899-95-8.

What is the molecular formula and weight of 20-Hydroxycortisol?

The molecular formula of 20-Hydroxycortisol is C21H32O5 and its molar mass is 364.48 g/mol.

Is 20-Hydroxycortisol hazardous?

No GHS hazard classification for 20-Hydroxycortisol is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 20-Hydroxycortisol?

20-Hydroxycortisol is usually classified under HS code 291440 (Ketone-alcohols and ketone-aldehydes). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 20-Hydroxycortisol?

Post a free request on CompoundList and suppliers of 20-Hydroxycortisol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 20-Hydroxycortisol?

Suppliers quote 20-Hydroxycortisol on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 20-Hydroxycortisol

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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