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Eslicarbazepine

Alias: Erelib EC 810-248-9 BIA 2-194BIA2-194BIA-2194Aptiom Zebinix
Cat No.:V20716 Purity: ≥98%
Eslicarbazepine (BIA 2-194; BIA-2194; Aptiom; Zebinix) is a dual inhibitor ofvoltage-gated sodium channel blocker and β-Secretase approved for use as anantiepileptic drug for partial-onset seizures.
Eslicarbazepine
Eslicarbazepine Chemical Structure CAS No.: 104746-04-5
Product category: New12
This product is for research use only, not for human use. We do not sell to patients.
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Product Description

Eslicarbazepine (BIA 2-194; BIA-2194; Aptiom; Zebinix) is a dual inhibitor of voltage-gated sodium channel blocker and β-Secretase approved for use as an antiepileptic drug for partial-onset seizures.

Biological Activity I Assay Protocols (From Reference)
ln Vivo
Chemically similar to carbamazepine, escicarbazepine is an anti-epileptic medication with a better safety record. Eslicarbazepine acetate serves as a prodrug for eslicarbazepine (S-licarbazepine), a voltage-gated sodium channel and β-secretase dual inhibitor [1][2].
Toxicity/Toxicokinetics
Hepatotoxicity
In prelicensure clinical trials, addition of eslicarbazepine to standard anticonvulsant therapy was reported to be associated with ALT elevations above 3 times the upper limit of normal (ULN) in a small proportion of patients (
Likelihood score: D (possible rare cause of clinically apparent liver injury).
Effects During Pregnancy and Lactation
◉ Summary of Use during Lactation
No information is available on the use of eslicarbazepine during breastfeeding. However, eslicarbazepine is the active metabolite of oxcarbazepine. Limited information indicates that oxcarbazepine would not be expected to cause any adverse effects in breastfed infants, especially if the infant is older than 2 months. Monitor the infant for drowsiness, adequate weight gain, and developmental milestones, especially in younger, exclusively breastfed infants and when using combinations of anticonvulsants.
◉ Effects in Breastfed Infants
No specific information is available in mothers taking eslicarbazepine. See the LactMed record on oxcarbazepine for relevant information.
◉ Effects on Lactation and Breastmilk
Relevant published information was not found as of the revision date.
References

[1]. Patch testing in a case of eslicarbazepine and carbamazepine induced cutaneous reaction. Eur Ann Allergy Clin Immunol. 2018 Sep;50(5):229-231.

[2]. Aptiom (Eslicarbazepine Acetate) as a Dual Inhibitor of β-Secretase and Voltage-Gated Sodium Channel: Advancement in Alzheimer's Disease-Epilepsy Linkage via an Enzoinformatics Study. CNS & Neurological Disorders Drug Targets Volume 13 , Issue 7 , 2014.

Additional Infomation
(S)-MHD is a dibenzooxazepine.
Eslicarbazepine is an anti-epileptic medication available commercially as [eslicarbazepine acetate].
The mechanism of action of eslicarbazepine is as a Cytochrome P450 3A4 Inducer, and Cytochrome P450 2C19 Inhibitor. The physiologic effect of eslicarbazepine is by means of Decreased Central Nervous System Disorganized Electrical Activity.
Eslicarbazepine is an aromatic anticonvulsant similar to oxcarbazepine that is used in combination with other antiepileptic agents as therapy of partial onset seizures. Eslicarbazepine is associated with a low rate of transient serum enzyme elevations during therapy and has been implicated in rare instances of clinically apparent liver injury.
See also: Eslicarbazepine Acetate (active moiety of).
Mechanism of Action
The precise mechanism(s) by which eslicarbazepine exerts anticonvulsant activity is unknown but is thought to involve inhibition of voltage-gated sodium channels.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C15H14N2O2
Molecular Weight
254.289
Exact Mass
254.105
CAS #
104746-04-5
PubChem CID
9881504
Appearance
White to off-white solid powder
Density
1.3±0.1 g/cm3
Boiling Point
431.3±55.0 °C at 760 mmHg
Melting Point
188-190°C
Flash Point
214.6±31.5 °C
Vapour Pressure
0.0±1.1 mmHg at 25°C
Index of Refraction
1.677
LogP
0.93
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
0
Heavy Atom Count
19
Complexity
347
Defined Atom Stereocenter Count
1
SMILES
C1[C@@H](C2=CC=CC=C2N(C3=CC=CC=C31)C(=O)N)O
InChi Key
BMPDWHIDQYTSHX-AWEZNQCLSA-N
InChi Code
InChI=1S/C15H14N2O2/c16-15(19)17-12-7-3-1-5-10(12)9-14(18)11-6-2-4-8-13(11)17/h1-8,14,18H,9H2,(H2,16,19)/t14-/m0/s1
Chemical Name
(5S)-5-hydroxy-5,6-dihydrobenzo[b][1]benzazepine-11-carboxamide
Synonyms
Erelib EC 810-248-9 BIA 2-194BIA2-194BIA-2194Aptiom Zebinix
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)
DMSO : ~250 mg/mL (~983.17 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (8.18 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% 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 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (8.18 mM) (saturation unknown) in 10% DMSO + 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 20.8 mg/mL clear DMSO 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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (8.18 mM) (saturation unknown) in 10% DMSO + 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 20.8 mg/mL clear DMSO 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 3.9325 mL 19.6626 mL 39.3252 mL
5 mM 0.7865 mL 3.9325 mL 7.8650 mL
10 mM 0.3933 mL 1.9663 mL 3.9325 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?
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  • 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
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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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