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Lanostenol

Alias: Dihydrolanosterol; Dihydrolanosterin; Lanostenol
Cat No.:V15775 Purity: ≥98%
Dihydrolanosterol is one of the substrates of CYP51 and inhibits cholesterol synthesis.
Lanostenol
Lanostenol Chemical Structure CAS No.: 79-62-9
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
100mg
Other Sizes

Other Forms of Lanostenol:

  • Dihydrolanosterol-d7
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Dihydrolanosterol is one of the substrates of CYP51 and inhibits cholesterol synthesis.
Lanostenol (24,25-Dihydrolanosterol, Dihydrolanosterin, DHL) is a 3β-sterol formed by the reduction of the C-24-C-25 double bond of lanosterol. It has a molecular formula of C₃₀H₅₂O and a molecular weight of 428.73 g/mol. Lanostenol is a substrate of CYP51 and acts as an inhibitor of cholesterol synthesis. It is a human and mouse metabolite.
Product Application
Overview
Lanostenol, also known as dihydrolanosterol, is a sterol metabolite supplied by InvivoChem for research use. This compound is a 3β-sterol formed through the reduction of lanosterol at the C-24 C-25 double bond and is relevant to studies involving sterol metabolism and biosynthetic pathway analysis. As a tetracyclic triterpenoid-related molecule, Lanostenol is of interest in research focused on lipid intermediates and the regulation of cholesterol-related processes.
Lanostenol has been identified as a metabolite in both humans and mice, highlighting its value in comparative biochemical and metabolic investigations. Its defined structure and research-grade quality support reproducible use in controlled laboratory settings.
For researchers studying sterol intermediates and pathway-specific metabolites, Lanostenol offers a well-characterized compound for experimental work.

Mechanism of Action
Lanostenol has been reported as one of the substrates of CYP51 and as an inhibitor of cholesterol synthesis. These properties make it a useful research tool for examining sterol biosynthesis and the enzymatic steps involved in cholesterol pathway regulation.
Since CYP51 plays an important role in sterol metabolism, Lanostenol can support investigations into how substrate-level interactions influence downstream biosynthetic outcomes. Its role as a pathway-associated sterol also makes it relevant for studies evaluating metabolic flux, enzyme specificity, and intermediate accumulation in cholesterol-related systems.
Rather than serving as a general lipid compound, Lanostenol is especially valuable in focused research involving CYP51 function and sterol pathway modulation.

Research Applications
Lanostenol is well suited for cholesterol biosynthesis research, sterol metabolism studies, and investigations involving CYP51-related enzymatic activity. It supports experimental work focused on pathway intermediates, sterol regulation, and lipid biochemical analysis.
Researchers may also use it in comparative metabolite profiling or analytical studies involving endogenous sterol compounds.
InvivoChem supplies Lanostenol with supporting documentation, including COA, SDS, and usage instructions, to promote consistency in laboratory workflows. For research involving sterol intermediates, cholesterol synthesis, or CYP51-associated pathways, Lanostenol offers a dependable, research-ready solution. Connect with InvivoChem for more information.
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Biological Activity I Assay Protocols (From Reference)
Targets
Lanostenol targets cholesterol biosynthesis by promoting ubiquitination and degradation of HMG-CoA reductase. It is also a substrate of CYP51, the enzyme responsible for sterol 14α-demethylation in cholesterol biosynthesis. By inhibiting HMG-CoA reductase degradation, it reduces cholesterol synthesis.
ln Vitro
In vitro, lanostenol is a substrate of CYP51 and an inhibitor of cholesterol synthesis. It promotes ubiquitination and degradation of HMG-CoA reductase. The compound is used in cholesterol biosynthesis research and sterol metabolism studies. It supports experimental work on pathway intermediates and sterol regulation.
ln Vivo
In vivo, lanostenol is a naturally occurring metabolite in humans and mice. It inhibits cholesterol biosynthesis through its effects on HMG-CoA reductase. The compound is a 3β-sterol and a tetracyclic triterpenoid, functioning similarly to lanosterol.
Enzyme Assay
In vitro enzyme assays for lanostenol measure its activity as a substrate of CYP51. The compound's ability to promote ubiquitination and degradation of HMG-CoA reductase is assessed in cell-free systems or cell-based assays. Cholesterol synthesis inhibition is measured by tracking incorporation of labeled precursors into cholesterol.
Cell Assay
In vitro cell-based assays for lanostenol assess its effects on cholesterol synthesis and HMG-CoA reductase stability. Cells are treated with serial dilutions of the compound, and cholesterol synthesis is measured by incorporation of radiolabeled acetate or mevalonate. HMG-CoA reductase protein levels are assessed by Western blotting.
Animal Protocol
In vivo animal models for lanostenol include studies of cholesterol metabolism and sterol regulation. The compound is a naturally occurring metabolite in humans and mice. It is used in investigations involving CYP51-related enzymatic activity. Rodent models are used to study its effects on cholesterol biosynthesis and lipid metabolism.
ADME/Pharmacokinetics
Lanostenol has a molecular formula of C₃₀H₅₂O and a molecular weight of 428.73 g/mol. It is also known as 24,25-Dihydrolanosterol, Dihydrolanosterin, and DHL. It is a 3β-sterol and a tetracyclic triterpenoid. The compound is a human and mouse metabolite. It is stored under appropriate conditions for research use.
Toxicity/Toxicokinetics
Lanostenol is a naturally occurring metabolite and is not known to have significant toxicity. It is a substrate of CYP51 and an inhibitor of cholesterol synthesis. The compound is for research use only and is not approved for clinical use. Appropriate safety precautions should be taken during handling.
References

[1]. Lepesheva GI, Waterman MR. Sterol 14alpha-demethylase cytochrome P450 (CYP51), a P450 in all biological kingdoms. Biochim Biophys Acta. 2007;1770(3):467-477.

Additional Infomation
24,25-Dihydrolanosterol is a 3β-sterol formed by the reduction of lanosterol via the C-24-C-25 double bond. It is a metabolite in both humans and mice. It is a 3β-sterol and a tetracyclic triterpenoid. Its function is related to that of lanosterol. 24,25-Dihydrolanosterol has been reported to exist in Mortierella alpina, Capsicum annuum, and other organisms with relevant data. 24,25-Dihydrolanosterol is a metabolite found or produced in Saccharomyces cerevisiae.
Lanostenol (24,25-Dihydrolanosterol, Dihydrolanosterin, DHL) is a 3β-sterol formed by reduction of lanosterol. It is a substrate of CYP51 and inhibits cholesterol biosynthesis by promoting ubiquitination and degradation of HMG-CoA reductase. It is a human and mouse metabolite. Lanostenol is used in cholesterol biosynthesis research and sterol metabolism studies.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C30H52O
Molecular Weight
428.74
Exact Mass
428.402
CAS #
79-62-9
Related CAS #
Dihydrolanosterol-d7;2260669-12-1
PubChem CID
440560
Appearance
White to off-white solid powder
LogP
8.559
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
5
Heavy Atom Count
31
Complexity
716
Defined Atom Stereocenter Count
7
SMILES
C[C@H](CCCC(C)C)[C@H]1CC[C@@]2([C@@]1(CCC3=C2CC[C@@H]4[C@@]3(CC[C@@H](C4(C)C)O)C)C)C
InChi Key
MBZYKEVPFYHDOH-BQNIITSRSA-N
InChi Code
InChI=1S/C30H52O/c1-20(2)10-9-11-21(3)22-14-18-30(8)24-12-13-25-27(4,5)26(31)16-17-28(25,6)23(24)15-19-29(22,30)7/h20-22,25-26,31H,9-19H2,1-8H3/t21-,22-,25+,26+,28-,29-,30+/m1/s1
Chemical Name
(3S,5R,10S,13R,14R,17R)-4,4,10,13,14-pentamethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,5,6,7,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Synonyms
Dihydrolanosterol; Dihydrolanosterin; Lanostenol
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
Ethanol : ~12.5 mg/mL (~29.16 mM)
DMSO :< 1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1.25 mg/mL (2.92 mM) (saturation unknown) in 10% EtOH + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 12.5 mg/mL clear EtOH stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 2: ≥ 1.25 mg/mL (2.92 mM) (saturation unknown) in 10% EtOH + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 12.5 mg/mL clear EtOH stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3324 mL 11.6621 mL 23.3242 mL
5 mM 0.4665 mL 2.3324 mL 4.6648 mL
10 mM 0.2332 mL 1.1662 mL 2.3324 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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