2. Membrane Transporter/Ion Channel
  3. Sodium Channel
  4. QAQ dichloride

QAQ dichloride, a photoswitchable voltage-gated Nav and Kv channels blocker, blocks channels in its trans form (of the azobenzene photoswitch), but not in its cis form. QAQ dichloride is membrane-impermeant and only infiltrates pain-sensing neurons that express endogenous import channels. QAQ dichloride acts as a light-sensitive analgesic and can be used for studying of signaling mechanisms in acute and chronic pain.

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QAQ dichloride

QAQ dichloride 構造式

容量 価格（税別） 在庫状況 数量
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 187 在庫あり
Solution
10 mM * 1 mL in DMSO USD 187 在庫あり
Solid
5 mg $150 在庫あり
10 mg $250 在庫あり
25 mg $550 在庫あり
50 mg $950 在庫あり
100 mg   お問い合わせ  
200 mg   お問い合わせ  

* アイテムを追加する前、数量をご選択ください

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Other Forms of QAQ dichloride:

  • QAQ お問い合わせ

QAQ dichloride 関連抗体

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製品説明

QAQ dichloride, a photoswitchable voltage-gated Nav and Kv channels blocker, blocks channels in its trans form (of the azobenzene photoswitch), but not in its cis form. QAQ dichloride is membrane-impermeant and only infiltrates pain-sensing neurons that express endogenous import channels. QAQ dichloride acts as a light-sensitive analgesic and can be used for studying of signaling mechanisms in acute and chronic pain[1][2].

IC50 & Target

Target: voltage-gated Nav and Kv channels
体外実験

QAQ dichloride (100 μM) does not cross the membrane and can be injected into cells through a micropipette to photosensitize a single cell and afford subcellular control of action potential propagation. It blocks Shaker-IR current in the trans configuration and unblocks it in the cis configuration[1].
QAQ dichloride can be used to develop red-shifted derivatives of QAQ, powerful doubly charged photochromic blockers.These derivatives allow for remote control of Kv and Nav channel conductance with light and offer the opportunity to silence neuronal activity reversibly[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

QAQ dichloride 関連抗体
分子量

567.59

分子式

C28H44Cl2N6O2
Appearance

Solid

Color

Yellow to orange

SMILES

O=C(NC1=CC=C(/N=N/C2=CC=C(NC(C[N+](CC)(CC)CC)=O)C=C2)C=C1)C[N+](CC)(CC)CC.[Cl-].[Cl-]
輸送条件

Room temperature in continental US; may vary elsewhere.
保管条件

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
溶剤 & 溶解度
体外: 

DMSO : 10 mg/mL (17.62 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.7618 mL 8.8092 mL 17.6184 mL
5 mM 0.3524 mL 1.7618 mL 3.5237 mL
10 mM 0.1762 mL 0.8809 mL 1.7618 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 (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

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

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始）

C1

×
体積 （開始）

V1

=
濃度 （終了）

C2

×
体積 （終了）

V2

体内:

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: ≥ 1 mg/mL (1.76 mM); Clear solution

    This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 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.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 1 mg/mL (1.76 mM); Clear solution

    This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
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 (sealed storage, away from moisture)

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.
純度とドキュメンテーション
参考文献

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 (sealed storage, away from moisture). 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 1.7618 mL 8.8092 mL 17.6184 mL 44.0459 mL
5 mM 0.3524 mL 1.7618 mL 3.5237 mL 8.8092 mL
10 mM 0.1762 mL 0.8809 mL 1.7618 mL 4.4046 mL
15 mM 0.1175 mL 0.5873 mL 1.1746 mL 2.9364 mL
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QAQ dichloride Related Classifications

  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

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

質量   濃度   体積   分子量 *
= × ×

The dilution calculator equation

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

一般には略語で表示されます：C1V1 = C2V2

濃度 （開始） × 体積 （開始） = 濃度 （終了） × 体積 （終了）
× = ×
C1   V1   C2   V2
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:

QAQ dichlorideSodium ChannelNa channelsNa+ channelsPhotochromic ligandlight-sensitive analgesicHEK293Voltage-gated potassiumKvchannelchronic painacute painInhibitorinhibitorinhibit

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製品名:
QAQ dichloride
製品番号:
HY-110358
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