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Steroids and sterols

21-Dehydrocortisol monohydrate

Also known as Hydrocortisone 21-aldehyde monohydrate, Pregn-4-en-21-al, 11beta,17-dihydroxy-3,20-dioxo-, monohydrate, 14760-49-7 (anhydrous)

CAS 906337-64-2Formula C21H30O6Molar mass 378.47 g/mol
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21-Dehydrocortisol monohydrate chemical structure, C21H30O6, CAS 906337-64-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
906337-64-2
Formula
C21H30O6
Molar mass
378.47 g/mol
HS code
291440
Category
Steroids and sterols

What is 21-Dehydrocortisol monohydrate?

Plain description, key identifiers and synonyms

21-Dehydrocortisol monohydrate is a chemical substance with the molecular formula C21H30O6 and a molar mass of 378.47 g/mol. Its CAS registry number is 906337-64-2. The IUPAC name is 2-[(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde, hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde, hydrate
CAS number
906337-64-2
Molecular formula
C21H30O6
UNII
FOL1F81T4A
InChIKey
RHUDCNJUXZQHJL-WDCKKOMHSA-N
InChI
InChI=1S/C21H28O5.H2O/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;/h9,11,14-16,18,24,26H,3-8,10H2,1-2H3;1H2/t14-,15-,16-,18+,19-,20-,21-;/m0./s1
Canonical SMILES
CC12CCC(=O)C=C1CCC1C2C(O)CC2(C)C1CCC2(O)C(=O)C=O.O
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(=O)C=O)O)C)O.O

Synonyms

  • Hydrocortisone 21-aldehyde monohydrate
  • Pregn-4-en-21-al, 11beta,17-dihydroxy-3,20-dioxo-, monohydrate
  • 14760-49-7 (anhydrous)
  • (11b)-11,17-Dihydroxy-3,20-dioxopregn-4-en-21-al
  • 11b,17-Dihydroxy-3,20-dioxopregn-4-en-21-al hydrate
  • 11b,17-Dihydroxy-4-pregnene-3,2 0,21-trione hydrate

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
378.47 g/molcalc.
Exact mass
378.2042 Dacalc.
LogP (octanol/water)
1.16calc.
Topological polar surface area
123.2 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.76calc.
Formal charge
0calc.
Stereocentres
7calc.
Components
2calc.
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.

21-Dehydrocortisol monohydrate suppliers

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21-Dehydrocortisol monohydrate 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 21-Dehydrocortisol monohydrate 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 21-Dehydrocortisol monohydrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 21-Dehydrocortisol monohydrate, based on the data on this page

What is 21-Dehydrocortisol monohydrate?

21-Dehydrocortisol monohydrate is a chemical substance with the molecular formula C21H30O6 and a molar mass of 378.47 g/mol. Its CAS registry number is 906337-64-2.

What is the CAS number of 21-Dehydrocortisol monohydrate?

The CAS registry number of 21-Dehydrocortisol monohydrate is 906337-64-2.

What is the molecular formula and weight of 21-Dehydrocortisol monohydrate?

The molecular formula of 21-Dehydrocortisol monohydrate is C21H30O6 and its molar mass is 378.47 g/mol.

Is 21-Dehydrocortisol monohydrate hazardous?

No GHS hazard classification for 21-Dehydrocortisol monohydrate 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 21-Dehydrocortisol monohydrate?

21-Dehydrocortisol monohydrate 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 21-Dehydrocortisol monohydrate?

Post a free request on CompoundList and suppliers of 21-Dehydrocortisol monohydrate will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 21-Dehydrocortisol monohydrate?

Suppliers quote 21-Dehydrocortisol monohydrate 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 21-Dehydrocortisol monohydrate

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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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