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(RS)-APICA

Cat No.:V47649 Purity: ≥98%
(RS)-APICA is a selective metabotropic glutamate receptor type II (mGluR II) antagonist.
(RS)-APICA
(RS)-APICA Chemical Structure CAS No.: 170847-18-4
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
(RS)-APICA is a selective metabotropic glutamate receptor type II (mGluR II) antagonist. (RS)-APICA has potential neuro-protective (neuro-protection) effects.
(RS)-APICA (CAS 170847-18-4) is a synthetic compound that functions as a conformationally rigidified analog of MPPG. (RS)-APICA is a selective group II metabotropic glutamate receptor (mGluR II) antagonist and shows potential neuroprotective effects. It has a molecular formula of C₁₀H₁₂NO₅P and a molecular weight of 257.18 g/mol.
Biological Activity I Assay Protocols (From Reference)
Targets
(RS)-APICA targets group II metabotropic glutamate receptors (mGluR II), specifically acting as a selective antagonist. It has a high affinity for the dopamine D3 receptor, which is involved in the regulation of reward, motivation, and addiction, acting as an agonist of this receptor. It also acts as a potent, selective agonist of the GPR55 receptor, part of the endocannabinoid system.
ln Vitro
In vitro, (RS)-APICA is a selective group II mGluR antagonist. The compound shows potential neuroprotective effects. It acts as an agonist of the dopamine D3 receptor, stimulating its activity and leading to the release of dopamine in the brain. By activating GPR55, (RS)-APICA can modulate endocannabinoid pathways.
ln Vivo
In vivo, (RS)-APICA has potential neuroprotective effects. As a selective group II mGluR antagonist and GPR55 agonist, it may modulate neurotransmission and endocannabinoid signaling. Detailed in vivo data regarding dosage, administration routes, and specific efficacy endpoints are limited in the available literature.
Enzyme Assay
(RS)-APICA's receptor binding activity has been characterized for mGluR II, dopamine D3 receptor, and GPR55. Binding assays typically involve radioligand displacement or functional assays to measure receptor activation or inhibition. The compound's affinity for the dopamine D3 receptor and its agonist activity have been demonstrated.
Cell Assay
In vitro cell experiments with (RS)-APICA typically use cell lines expressing mGluR II, dopamine D3 receptor, or GPR55. Cells are treated with the compound at various concentrations, and receptor activity is measured using calcium mobilization assays, cAMP assays, or β-arrestin recruitment assays. Neuroprotective effects are assessed in neuronal cell models.
Animal Protocol
In vivo animal studies with (RS)-APICA have been conducted to study its neuroprotective effects. The compound is typically administered via injection. Detailed protocols regarding dosage, treatment duration, and specific animal models are not extensively reported in the available literature.
ADME/Pharmacokinetics
Pharmacokinetic data specific to (RS)-APICA are limited in the available literature. As a small molecule with a molecular weight of 257.18 g/mol, the compound is expected to have reasonable bioavailability and blood-brain barrier penetration. Further pharmacokinetic studies are needed.
Toxicity/Toxicokinetics
(RS)-APICA is considered safe for research use at typical concentrations. As a research compound, it is intended for laboratory use only and not for human consumption. The compound should be handled under standard laboratory safety practices with appropriate precautions.
References

[1]. Presynaptic excitability as a potential target for the treatment of the traumatic cerebellum. Pharmacology. 2004 Aug;71(4):192-8.

Additional Infomation
(RS)-APICA has a molecular formula of C₁₀H₁₂NO₅P and a molecular weight of 257.18 g/mol. Purity is typically 99.99%. The compound is a selective group II mGluR antagonist with potential neuroprotective effects. It also acts as a dopamine D3 receptor agonist and a GPR55 agonist.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H12NO5P
Molecular Weight
257.179743766785
Exact Mass
257.045
CAS #
170847-18-4
PubChem CID
4694355
Appearance
White to off-white solid powder
Density
1.6±0.1 g/cm3
Boiling Point
559.9±60.0 °C at 760 mmHg
Flash Point
292.4±32.9 °C
Vapour Pressure
0.0±1.6 mmHg at 25°C
Index of Refraction
1.671
LogP
-0.89
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
2
Heavy Atom Count
17
Complexity
381
Defined Atom Stereocenter Count
0
InChi Key
ZNQZXIHSJUDIKL-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H12NO5P/c11-10(9(12)13)4-3-6-5-7(17(14,15)16)1-2-8(6)10/h1-2,5H,3-4,11H2,(H,12,13)(H2,14,15,16)
Chemical Name
1-amino-5-phosphono-2,3-dihydroindene-1-carboxylic acid
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)
0.1 M NaOH : ~6.25 mg/mL (~24.30 mM)
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 3.8883 mL 19.4416 mL 38.8833 mL
5 mM 0.7777 mL 3.8883 mL 7.7767 mL
10 mM 0.3888 mL 1.9442 mL 3.8883 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.

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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)
  • 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)
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  • 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.

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  • 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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