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3-Methyl-3-buten-1-ol

Alias: NSC 12267; isoprenol; NSC 122673; 3-buten-1-oL; 3-methyl-3-butenol; 3-METHYL-3-BUTEN-1-OL; 3-Methylbut-3-en-1-ol; 763-32-6; Isoprenol; 3-Buten-1-ol, 3-methyl-; Isobutenylcarbinol; Methallylcarbinol; 2-Methyl-1-buten-4-ol; Methallyl carbinol3-methyl-3-buten-1-o; 3-Methylenebutan-1-ol; 3-Isopentenyl alcohol
Cat No.:V2322 Purity: ≥98%
3-Methyl-3-buten-1-ol ,also known as NSC 12267 or isoprenol, is a pharmaceutical intermediates
3-Methyl-3-buten-1-ol
3-Methyl-3-buten-1-ol Chemical Structure CAS No.: 763-32-6
Product category: Others 6
This product is for research use only, not for human use. We do not sell to patients.
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5g
10g
25g
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
3-Methyl-3-buten-1-ol ,also known as NSC 12267 or isoprenol, is a pharmaceutical intermediates
3-Methyl-3-buten-1-ol (CAS# 763-32-6) is a chemical compound used in the synthesis of antiproliferative, antiandrogenic, and cytotoxic caffeic acid derivatives. It has a molecular formula of C5H10O and a molecular weight of 86.13 g/mol. The compound is also used as a fragrance ingredient in cosmetics. 3-Methyl-3-buten-1-ol is a liquid at room temperature and should be stored in a cool, dry, well-ventilated area. The compound contains a terminal alkene and a primary alcohol functional group, making it a versatile building block for organic synthesis. As a synthetic intermediate, 3-Methyl-3-buten-1-ol is used in the preparation of various biologically active compounds, including caffeic acid derivatives with antiproliferative, antiandrogenic, and cytotoxic activities.
Biological Activity I Assay Protocols (From Reference)
Targets
Biochemical reagent; chemical intermediate
The molecular targets of 3-Methyl-3-buten-1-ol are not directly relevant to its biological activity, as the compound is a synthetic intermediate rather than a pharmacologically active compound. However, the caffeic acid derivatives synthesized from 3-Methyl-3-buten-1-ol may target various biological molecules, including enzymes involved in cell proliferation (e.g., kinases, topoisomerases), androgen receptors, and DNA. The compound itself does not have specific biological targets and is not designed to interact with enzymes, receptors, or other biomolecules in a targeted manner. Its primary utility is as a building block for organic synthesis, enabling the preparation of more complex molecules with potential biological activities. The compound's alcohol and alkene functional groups allow for various chemical transformations, including esterification, etherification, epoxidation, and hydroboration, which are used to introduce diverse functionalities into target molecules.
ln Vitro
Isopentenyl alcohol is a naturally occurring metabolite/primary alcohol.May be used as a flavoring agent. Naturally occurs in the volatiles of pineapple essence; Used to make fragrance ingredients; [IUCLID] A flavoring agent that naturally occurs in roasted chicken and wine; [EFSA] Used in fuel formulation, as a monomer in polymer production, and to make large scale and fine chemicals;
In vitro activity of 3-Methyl-3-buten-1-ol is not characterized as a biological activity, as the compound is a synthetic intermediate rather than a pharmacologically active agent. The compound is used in organic synthesis to prepare caffeic acid derivatives, which are then evaluated for their biological activities. The caffeic acid derivatives synthesized from 3-Methyl-3-buten-1-ol have been reported to exhibit antiproliferative, antiandrogenic, and cytotoxic activities. The activity of these derivatives is assessed using various in vitro assays, including cell proliferation assays (MTT, CellTiter-Glo), androgen receptor binding assays, and cytotoxicity assays against cancer cell lines. The compound itself is not typically tested for biological activity, as it is an intermediate that is consumed during the synthesis of the final products. Specific IC50 or EC50 values for 3-Methyl-3-buten-1-ol against biological targets are not applicable.
ln Vivo
In vivo activity of 3-Methyl-3-buten-1-ol is not relevant, as the compound is a synthetic intermediate used in organic synthesis and is not intended for administration to living organisms. The compound is not developed as a therapeutic agent and does not have pharmacological effects in vivo. Its use in biological research is limited to the synthesis of compounds that may have in vivo activity. The caffeic acid derivatives prepared from 3-Methyl-3-buten-1-ol may be evaluated for their in vivo efficacy in animal models of cancer, inflammation, or other diseases. However, the intermediate itself is not tested for in vivo efficacy. Appropriate safety precautions should be taken when handling the compound, as it is a flammable liquid and may cause skin and eye irritation.
Enzyme Assay
For in vitro synthesis and characterization of caffeic acid derivatives from 3-Methyl-3-buten-1-ol, the following protocol is used: 3-Methyl-3-buten-1-ol is reacted with caffeic acid or its derivatives under esterification conditions. The reaction is typically carried out in the presence of a coupling agent such as dicyclohexylcarbodiimide (DCC) or 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) and a catalyst such as 4-dimethylaminopyridine (DMAP) in an organic solvent (e.g., dichloromethane or DMF) at room temperature or under reflux. The reaction progress is monitored by TLC. The product is purified by column chromatography or recrystallization, and characterized by NMR, MS, and HPLC. The purity of the product is assessed by HPLC. The yield of the reaction is calculated based on the amount of starting material used. For optimization studies, the effect of reaction conditions (temperature, time, solvent, catalyst) on the yield and purity of the product is evaluated.
ADME/Pharmacokinetics
3-Methyl-3-buten-1-ol (CAS# 763-32-6) is a synthetic intermediate with a molecular formula of C5H10O and a molecular weight of 86.13 g/mol. It is used in the synthesis of antiproliferative, antiandrogenic, and cytotoxic caffeic acid derivatives and as a fragrance ingredient. Future research could focus on developing new synthetic routes for caffeic acid derivatives with improved biological activities, exploring the structure-activity relationships of these derivatives, and investigating their potential therapeutic applications in cancer and other diseases.
Additional Infomation
Isopentenol is a primary alcohol with the same structure as isoamyl alcohol, but with a double bond between C-3 and one of its C-4 atoms. It is a metabolite. It is both a primary alcohol and a homopropyl alcohol. 3-Methyl-3-buten-1-ol has been reported to be detected in bark beetles (Ips cembrae), manshuriensis moths (Bistorta manshuriensis), and other organisms with relevant data.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H10O
Molecular Weight
86.13
Exact Mass
86.073
CAS #
763-32-6
PubChem CID
12988
Appearance
Typically exists as solid at room temperature
Density
0.8±0.1 g/cm3
Boiling Point
114.2±9.0 °C at 760 mmHg
Flash Point
36.1±0.0 °C
Vapour Pressure
10.2±0.4 mmHg at 25°C
Index of Refraction
1.422
LogP
1.11
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
2
Heavy Atom Count
6
Complexity
47.9
Defined Atom Stereocenter Count
0
SMILES
C=C(C)CCO
InChi Key
CPJRRXSHAYUTGL-UHFFFAOYSA-N
InChi Code
InChI=1S/C5H10O/c1-5(2)3-4-6/h6H,1,3-4H2,2H3
Chemical Name
3-METHYL-3-BUTEN-1-OL
Synonyms
NSC 12267; isoprenol; NSC 122673; 3-buten-1-oL; 3-methyl-3-butenol; 3-METHYL-3-BUTEN-1-OL; 3-Methylbut-3-en-1-ol; 763-32-6; Isoprenol; 3-Buten-1-ol, 3-methyl-; Isobutenylcarbinol; Methallylcarbinol; 2-Methyl-1-buten-4-ol; Methallyl carbinol3-methyl-3-buten-1-o; 3-Methylenebutan-1-ol; 3-Isopentenyl alcohol
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

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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 11.6104 mL 58.0518 mL 116.1036 mL
5 mM 2.3221 mL 11.6104 mL 23.2207 mL
10 mM 1.1610 mL 5.8052 mL 11.6104 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

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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)
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  • 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)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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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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