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Ecopipam hydrobromide (SCH 39166 hydrobromide)

Cat No.:V71176 Purity: ≥98%
Ecopipam (SCH 39166) HBr is a specific, orally bioactive dopamine D1/D5 receptor antagonist (inhibitor) with Kis of 1.2 nM and 2.0 nM, respectively.
Ecopipam hydrobromide (SCH 39166 hydrobromide)
Ecopipam hydrobromide (SCH 39166 hydrobromide) Chemical Structure CAS No.: 2587360-22-1
Product category: Dopamine Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price
500mg
1g
Other Sizes

Other Forms of Ecopipam hydrobromide (SCH 39166 hydrobromide):

  • Ecopipam HCl (SCH-39166)
  • Ecopipam
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Ecopipam (SCH 39166) HBr is a specific, orally bioactive dopamine D1/D5 receptor antagonist (inhibitor) with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam HBr shows over 40-fold selectivity for D2, D4, 5-HT and α2a receptors (Ki=0.98, 5.52, 0.08 and 0.73 μM). Ecopipam HBr may be used in research into schizophrenia and obesity.
Biological Activity I Assay Protocols (From Reference)
Targets
D1 Receptor 1.2 nM (Ki) D5 Receptor 2.0 nM (Ki) D2 Receptor 980 nM (Ki) D4 Receptor 5520 nM (Ki) 5-HT Receptor 80 nM (Ki) Alpha-2A adrenergic receptor 731 nM (Ki)
ln Vitro
In isolated corticohippocampal formations, the proconvulsant effects of dopamine (10 μM) are totally eliminated by ecopipam (2 μM) hydrobromide [2].
ln Vivo
Rats' apomorphine-induced stereotypy is countered by ecopipam hydrobromide (10 mg/kg, oral)[4]. Acetylcholine release in the rat striatum is reversibly and dose-dependently reduced by ecopipam hydrobromide (5 and 10 μM, perfusion, 1 μL/min)[5].
Animal Protocol
Animal/Disease Models: Male young adult Long-Evans rats were injected with Nicotine[3]
Doses: 0.003, 0.01, 0.03, 0.1, 0.3 mg/kg
Route of Administration: A single sc 20 min before Nicotine (0.1 mg/kg)
Experimental Results: Dose- dependently decreased pressing on both active and inactive levers.
References

[1]. Dopamine D1/D5 receptor antagonists with improved pharmacokinetics: design, synthesis, and biological evaluation of phenol bioisosteric analogues of benzazepine D1/D5 antagonists. J Med Chem. 2005 Feb 10;48(3):680-93.

[2]. Dopaminergic modulation of low-Mg²⁺-induced epileptiform activity in the intact hippocampus of the newborn mouse in vitro. J Neurosci Res. 2012 Oct;90(10):2020-33.

[3]. Nicotine-induced enhancement of a sensory reinforcer in adult rats: antagonist pretreatment effects. Psychopharmacology (Berl). 2021 Feb;238(2):475-486.

[4]. Pharmacological profile of SCH39166: a dopamine D1 selective benzonaphthazepine with potential antipsychotic activity. J Pharmacol Exp Ther. 1988 Dec;247(3):1093-102.

[5]. Local application of SCH 39166 reversibly and dose-dependently decreases acetylcholine release in the rat striatum. Eur J Pharmacol. 1999 Nov 3;383(3):275-9.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H21BRCLNO
Molecular Weight
394.733143568039
Exact Mass
393.049
CAS #
2587360-22-1
Related CAS #
Ecopipam hydrochloride;190133-94-9;Ecopipam;112108-01-7
PubChem CID
16759171
Appearance
White to off-white solid powder
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
23
Complexity
403
Defined Atom Stereocenter Count
2
SMILES
CN1CCC2=CC(=C(C=C2[C@@H]3[C@@H]1CCC4=CC=CC=C34)O)Cl.Br
InChi Key
GAUWIDFICGEZKR-JUOYHRLASA-N
InChi Code
InChI=1S/C19H20ClNO.BrH/c1-21-9-8-13-10-16(20)18(22)11-15(13)19-14-5-3-2-4-12(14)6-7-17(19)21;/h2-5,10-11,17,19,22H,6-9H2,1H3;1H/t17-,19+;/m0./s1
Chemical Name
(6aS,13bR)-11-chloro-7-methyl-5,6,6a,8,9,13b-hexahydronaphtho[1,2-a][3]benzazepin-12-ol;hydrobromide
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: Please store this product in a sealed and protected environment, avoid exposure to moisture.
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 2.5334 mL 12.6669 mL 25.3338 mL
5 mM 0.5067 mL 2.5334 mL 5.0668 mL
10 mM 0.2533 mL 1.2667 mL 2.5334 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:

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  • 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:
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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
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  • 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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