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G-1

Alias: G1; G 1; G-1
Cat No.:V21449 Purity: ≥98%
G-1 is a nonsteroidal, high-affinity and selective GPR30 agonist with Ki of 11 nM.
G-1
G-1 Chemical Structure CAS No.: 881639-98-1
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
G-1 is a nonsteroidal, high-affinity and selective GPR30 agonist with Ki of 11 nM.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
G-1 is a selective GPR30 coagulant that has a high affinity and is nonsteroidal, with a Ki of 11 nM [1]. G-1 treatment (10 μM and 100 μM) for 48 and 72 hours dramatically inhibited cell proliferation (P<0.001). G-1's IC50 value at 72 hours was determined to be 20 μM. G-1 treatment of A549 cells at a dose of 20 μM resulted in a considerable increase in cells and a persistent anti-proliferative impact (P<0.001). After receiving G-1 therapy for 24 hours, cell cycle examination of H295R cells revealed that the cells were in the G2 phase of their life cycle. G-1 decreases Bcl-2 while also expressing Bax[3].
ln Vivo
The Basso S Scale (BMS) score of the G-1 group was substantially greater (P<0.05) than that of the other groups, according to the results obtained 14 days after the injury. This group had fewer positive cells than the other groups (P<0.05), and there was no difference when compared (P>0.05)[1]. Beginning on day 14 of therapy, the G-1 medication resulted in a statistically significant decrease in the volume of the tumor, and after three weeks of treatment, the tumor weight of transplanted tumors was significantly lower than that of animals receiving a vehicle treatment [3].
References

[1]. G-1 exerts neuroprotective effects through G protein-coupled estrogen receptor 1 following spinal cord injury in mice. Biosci Rep. 2016 Aug 31;36(4). pii: e00373.

[2]. Oxidative/antioxidative enzyme-mediated antiproliferative and proapoptotic effects of the GPER1 agonist G-1 on lung cancer cells. Oncol Lett. 2015 Nov;10(5):3177-3182.

[3]. GPER agonist G-1 decreases adrenocortical carcinoma (ACC) cell growth in vitro and in vivo. Oncotarget. 2015 Aug 7;6(22):19190-203.

Additional Infomation
G-1 is an agonist.
G Protein-coupled Estrogen Receptor Agonist LNS8801 is an orally bioavailable selective agonist of the G protein-coupled estrogen receptor (G protein-coupled estrogen receptor 1; GPER; GPER1; GPR30), with potential immunomodulating and antineoplastic activities. Upon oral administration, LNS8801 targets, binds to and activates GPER. This activates GPER-mediated signaling and suppresses the expression of various tumor-associated genes, such as c-Myc and programmed cell death-ligand 1 (PD-L1). This leads to an inhibition of tumor cell proliferation. GPER activation may also induce immune memory. GPER is a membrane protein and a member of the G-protein coupled receptors (GPCRs) that are widely distributed in various tissues. GPER is a tumor suppressor in a wide range of cell cancer types.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C21H18BRNO3
Molecular Weight
412.28
Exact Mass
411.046
Elemental Analysis
C, 61.18; H, 4.40; Br, 19.38; N, 3.40; O, 11.64
CAS #
881639-98-1
PubChem CID
5322399
Appearance
White to off-white solid powder
Density
1.5±0.1 g/cm3
Boiling Point
529.6±50.0 °C at 760 mmHg
Flash Point
274.1±30.1 °C
Vapour Pressure
0.0±1.4 mmHg at 25°C
Index of Refraction
1.637
LogP
4.37
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
2
Heavy Atom Count
26
Complexity
596
Defined Atom Stereocenter Count
3
SMILES
BrC1C=C2OCOC2=CC=1[C@@H]1NC2C=CC(=CC=2[C@@H]2C=CC[C@H]12)C(=O)C
InChi Key
VHSVKVWHYFBIFJ-HKZYLEAXSA-N
InChi Code
InChI=1S/C21H18BrNO3/c1-11(24)12-5-6-18-15(7-12)13-3-2-4-14(13)21(23-18)16-8-19-20(9-17(16)22)26-10-25-19/h2-3,5-9,13-14,21,23H,4,10H2,1H3/t13-,14+,21-/m1/s1
Chemical Name
1-[(3aS,4R,9bR)-4-(6-bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-8-yl]ethanone
Synonyms
G1; G 1; G-1
HS Tariff Code
2934.99.03.00
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 : ~50 mg/mL (~121.28 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.06 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 25.0 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: 2.5 mg/mL (6.06 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 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: ≥ 2.5 mg/mL (6.06 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 25.0 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 2.4255 mL 12.1277 mL 24.2554 mL
5 mM 0.4851 mL 2.4255 mL 4.8511 mL
10 mM 0.2426 mL 1.2128 mL 2.4255 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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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
  • 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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