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Steroids and sterols

Prednylidene

Also known as Decortilen, Prednilideno, Prednylidenum

CAS 599-33-7Formula C22H28O5Molar mass 372.46 g/molEC 209-964-9
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Prednylidene chemical structure, C22H28O5, CAS 599-33-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
599-33-7
Formula
C22H28O5
Molar mass
372.46 g/mol
EC number
209-964-9
HS code
291440
Category
Steroids and sterols

What is Prednylidene?

Plain description, key identifiers and synonyms

Prednylidene is a 21-hydroxy steroid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one
CAS number
599-33-7 CAS number cross-checked
EC number
209-964-9
Molecular formula
C22H28O5
UNII
IF8PQP966U
InChIKey
WSVOMANDJDYYEY-CWNVBEKCSA-N
InChI
InChI=1S/C22H28O5/c1-12-8-16-15-5-4-13-9-14(24)6-7-20(13,2)19(15)17(25)10-21(16,3)22(12,27)18(26)11-23/h6-7,9,15-17,19,23,25,27H,1,4-5,8,10-11H2,2-3H3/t15-,16-,17-,19+,20-,21-,22-/m0/s1
Canonical SMILES
C=C1CC2C3CCC4=CC(=O)C=CC4(C)C3C(O)CC2(C)C1(O)C(=O)CO
Isomeric SMILES
C[C@]12C[C@@H]([C@H]3[C@H]([C@@H]1CC(=C)[C@@]2(C(=O)CO)O)CCC4=CC(=O)C=C[C@]34C)O

Synonyms

  • Decortilen
  • Prednilideno
  • Prednylidenum
  • Dacorsol
  • 16-Methyleneprednisolone
  • Methylenprednisolone
  • (11-beta)-11,17,21-Trihydroxy-16-methylenepregna-1,4-diene-3,20-dione
  • Prednylidene (INN:BAN:DCF)
  • Pred
  • (1S,2R,10S,11S,14R,15S,17S)-14,17-dihydroxy-14-(2-hydroxyacetyl)-2,15-dimethyl-13-methylidenetetracyclo(8.7.0.0^(2,7).0^(11,15))heptadeca-3,6-dien-5-one
  • 11beta,17,21-Trihydroxy-16-methylenepregna-1,4-diene-3,20-dione
  • Prednylidene (INN)
  • (8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-16-methylidene-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one
  • 16-Methylenprednisolon
  • Pregna-1,4-diene-3,20-dione, 11-beta,17,21-trihydroxy-16-methylene-
  • 11beta,17,21-Trihydroxy-16-methylidenepregna-1,4-diene-3,20-dione
  • Pregna-1,4-diene-3,20-dione, 11,17,21-trihydroxy-16-methylene-, (11-beta)-

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
372.46 g/molcalc.
Exact mass
372.1937 Dacalc.
LogP (octanol/water)
1.72calc.
Topological polar surface area
94.83 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
27calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.64calc.
Formal charge
0calc.
Stereocentres
7calc.
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, C=C1CC2CCC3C4C=CC(=O)C=C4CCC3C2C1

C=C1CC2CCC3C4C=CC(=O)C=C4CCC3C2C1

4 rings, 19 atoms.

4 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.

Prednylidene suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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

Frequently asked questions

Quick answers about Prednylidene, based on the data on this page

What is Prednylidene?

Prednylidene is a 21-hydroxy steroid.

What is the CAS number of Prednylidene?

The CAS registry number of Prednylidene is 599-33-7.

What is the molecular formula and weight of Prednylidene?

The molecular formula of Prednylidene is C22H28O5 and its molar mass is 372.46 g/mol.

Is Prednylidene hazardous?

No GHS hazard classification for Prednylidene 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 Prednylidene?

Prednylidene 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 Prednylidene?

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

What is the price of Prednylidene?

Suppliers quote Prednylidene 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 Prednylidene

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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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