2. Others GPCR/G Protein MAPK/ERK Pathway
  3. Drug Isomer Ras
  4. (4R)-BBO-8520

(4R)-BBO-8520 (Compound 314), an isomer of BBO-8520 (HY-158107), is a selective KRAS G12C inhibitor. BBO-8520 has the characteristics of KRAS G12C (OFF) inhibitor and the function of blocking KRAS G12C (ON) signal. BBO-8520 inhibits cell proliferation by inhibiting KRASG12C (ON) by binding GTP protein. BBO-8520 can block RAS-RAF1 interaction and return KRAS G12C to the inactive (OFF) state. (4R)-BBO-8520 can be used for the research of cancer.

For research use only. We do not sell to patients.

(4R)-BBO-8520

(4R)-BBO-8520 Chemical Structure

CAS No. : 2893809-52-2

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Other Forms of (4R)-BBO-8520:

(4R)-BBO-8520 Related Antibodies

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Description

(4R)-BBO-8520 (Compound 314), an isomer of BBO-8520 (HY-158107), is a selective KRAS G12C inhibitor. BBO-8520 has the characteristics of KRAS G12C (OFF) inhibitor and the function of blocking KRAS G12C (ON) signal. BBO-8520 inhibits cell proliferation by inhibiting KRASG12C (ON) by binding GTP protein. BBO-8520 can block RAS-RAF1 interaction and return KRAS G12C to the inactive (OFF) state. (4R)-BBO-8520 can be used for the research of cancer[1][2][3].

IC50 & Target[1]

KRas G12C

 

Clinical Trial
Molecular Weight

729.74

Formula

C35H33F6N7O2S
CAS No.
Appearance

Solid

SMILES

FC1=[C@@](C(C(F)(F)F)=CC2=C(N=C(N=C21)OC[C@@]34CCCN3C[C@@H](C4)F)N5[C@H](CN([C@@H](C5)C)C(C=C)=O)C)[C@@]6=CC=C(F)C7=C6C(C#N)=C(N)S7
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light, stored under nitrogen

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)

Solvent & Solubility
In Vitro: 

DMSO : ≥ 100 mg/mL (137.04 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.3704 mL 6.8518 mL 13.7035 mL
5 mM 0.2741 mL 1.3704 mL 2.7407 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (3.43 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen)

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (protect from light, stored under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 1.3704 mL 6.8518 mL 13.7035 mL 34.2588 mL
5 mM 0.2741 mL 1.3704 mL 2.7407 mL 6.8518 mL
10 mM 0.1370 mL 0.6852 mL 1.3704 mL 3.4259 mL
15 mM 0.0914 mL 0.4568 mL 0.9136 mL 2.2839 mL
20 mM 0.0685 mL 0.3426 mL 0.6852 mL 1.7129 mL
25 mM 0.0548 mL 0.2741 mL 0.5481 mL 1.3704 mL
30 mM 0.0457 mL 0.2284 mL 0.4568 mL 1.1420 mL
40 mM 0.0343 mL 0.1713 mL 0.3426 mL 0.8565 mL
50 mM 0.0274 mL 0.1370 mL 0.2741 mL 0.6852 mL
60 mM 0.0228 mL 0.1142 mL 0.2284 mL 0.5710 mL
80 mM 0.0171 mL 0.0856 mL 0.1713 mL 0.4282 mL
100 mM 0.0137 mL 0.0685 mL 0.1370 mL 0.3426 mL
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(4R)-BBO-8520 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

(4R)-BBO-85202893809-52-2Drug IsomerRasInhibitorinhibitorinhibit

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