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Impurities and reference standards

Desmosterol

Also known as 24-Dehydrocholesterol, desmesterol, cholest-5,24-dien-3beta-ol

CAS 313-04-2Formula C27H44OMolar mass 384.65 g/molEC 206-236-2
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Desmosterol chemical structure, C27H44O, CAS 313-04-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
313-04-2
Formula
C27H44O
Molar mass
384.65 g/mol
EC number
206-236-2
HS code
290613
Category
Impurities and reference standards

What is Desmosterol?

Plain description, key identifiers and synonyms

Desmosterol is a cholestanoid that is cholesta-5,24-diene substituted by a beta-hydroxy group at position 3. It is an intermediate metabolite obtained during the synthesis of cholesterol. It has a role as a mouse metabolite and a human metabolite. It is a C27-steroid, a 3beta-hydroxy-Delta(5)-steroid, a 3beta-sterol and a cholestanoid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
CAS number
313-04-2 CAS number cross-checked
EC number
206-236-2
Molecular formula
C27H44O
UNII
ANP93865R8
MDL number
MFCD00056432
InChIKey
AVSXSVCZWQODGV-DPAQBDIFSA-N
InChI
InChI=1S/C27H44O/c1-18(2)7-6-8-19(3)23-11-12-24-22-10-9-20-17-21(28)13-15-26(20,4)25(22)14-16-27(23,24)5/h7,9,19,21-25,28H,6,8,10-17H2,1-5H3/t19-,21+,22+,23-,24+,25+,26+,27-/m1/s1
Canonical SMILES
CC(C)=CCCC(C)C1CCC2C3CC=C4CC(O)CCC4(C)C3CCC12C
Isomeric SMILES
C[C@H](CCC=C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC=C4[C@@]3(CC[C@@H](C4)O)C)C

Synonyms

  • 24-Dehydrocholesterol
  • desmesterol
  • cholest-5,24-dien-3beta-ol
  • Cholesta-5,24-dien-3-ol, (3beta)-
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylhept-5-en-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
  • Demosterol
  • 24 Dehydrocholesterol
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((2R)-6-methylhept-5-en-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta(a)phenanthren-3-ol
  • Cholesterol EP Impurity B
  • Cholesta-5,24-dien-3-ol
  • 3beta-cholesta-5,24-dien-3-ol
  • (3beta)-Cholesta-5,24-dien-3-ol
  • (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylhept-5-en-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol
  • 3b-Cholesta-5,24-dien-3-ol
  • Desmostero
  • 3|A-Hydroxy-5,24-cholestadiene
  • MHQ
  • (3|A)-Cholesta-5,24-dien-3-ol
  • Cholesta-5,24-dien-3b-ol
  • Desmosterol, >=84% (GC)
  • Cholesta-5,24-dien-3-beta-ol
  • 3beta-Hydroxy-5,24-cholestadiene
  • Delta5,24-cholestadien-3-beta-ol
  • (1R,3aS,3bS,7S,9aR,9bS,11aR)-9a,11a-dimethyl-1-[(2R)-6-methylhept-5-en-2-yl]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-ol
  • (3.Beta.)-cholesta-5,24-dien-3-ol
Show all 27 synonyms
  • (3beta)-Cholesta-5,24-dien-3-ol Solution in Methanol, 100ug/mL
  • (3S,8S,9S,10R,13R,14S,17R)-17-[(1R)-1,5-dimethylhex-4-enyl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol

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
384.65 g/molcalc.
Exact mass
384.3392 Dacalc.
LogP (octanol/water)
7.31calc.
Topological polar surface area
20.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
4calc.
Heavy atoms
28calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.85calc.
Formal charge
0calc.
Stereocentres
8calc.
Lipinski rule of five
Passes (1 violation)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, C1=C2CCCCC2C2CCC3CCCC3C2C1

C1=C2CCCCC2C2CCC3CCCC3C2C1

4 rings, 17 atoms.

1,163 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.

Desmosterol suppliers

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

All 6 suppliers
6 of 6 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

6 suppliers in 3 countries

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Desmosterol price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite

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 Desmosterol is traded under.

HS 2906.13Indicative HS code

Sterols and inositols

World exports in 2024
$316M
−12.1% vs 2023, imports $291M
2019 to 2024
Top exporters
  1. China42.0%
  2. United States16.4%
  3. Netherlands9.6%
Top importers
  1. Ecuador * partner reported13.0%
  2. China13.0%
  3. United States9.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Desmosterol?

Desmosterol is a cholestanoid that is cholesta-5,24-diene substituted by a beta-hydroxy group at position 3. It is an intermediate metabolite obtained during the synthesis of cholesterol. It has a role as a mouse metabolite and a human metabolite.

What is the CAS number of Desmosterol?

The CAS registry number of Desmosterol is 313-04-2.

What is the molecular formula and weight of Desmosterol?

The molecular formula of Desmosterol is C27H44O and its molar mass is 384.65 g/mol.

What is Desmosterol used for?

Known uses and roles of Desmosterol include animal metabolite, eukaryotic metabolite, human metabolite, mammalian metabolite, metabolite and 1 more.

Is Desmosterol hazardous?

No GHS hazard classification for Desmosterol 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 Desmosterol?

Desmosterol is usually classified under HS code 290613 (Sterols and inositols). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Desmosterol?

CompoundList lists 6 suppliers of Desmosterol in China, United States and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Desmosterol in India?

1 supplier in India list Desmosterol on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Desmosterol?

Suppliers quote Desmosterol 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 Desmosterol

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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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