2. Anti-infection Cell Cycle/DNA Damage
  3. DNA/RNA Synthesis Bacterial DNA Stain Antibiotic
  4. 7-Aminoactinomycin D

7-Aminoactinomycin D  (Synonyms: 7-AAD)

Cat. No.: HY-D1020 Purity: 96.87%
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COA
Handling Instructions Technical Support

7-Aminoactinomycin D (7-AAD) a fluorescent DNA stain, is a potent RNA polymerase inhibitor. 7-Aminoactinomycin D selectively binds to GC regions of the DNA. 7-Aminoactinomycin D also has antibacterial effects.

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

7-Aminoactinomycin D Chemical Structure

7-Aminoactinomycin D Chemical Structure

CAS No. : 7240-37-1

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Based on 4 publication(s) in Google Scholar

7-Aminoactinomycin D Related Antibodies

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Description

7-Aminoactinomycin D (7-AAD) a fluorescent DNA stain, is a potent RNA polymerase inhibitor. 7-Aminoactinomycin D selectively binds to GC regions of the DNA. 7-Aminoactinomycin D also has antibacterial effects[1][2][3].

In Vitro

1. Solution preparation
1.1 Preparation of stock solution
Solvent: DMSO
Concentration: 1-10 mM.
Storage: Store at -20°C or -80°C in dark after aliquoting. Avoid repeated freezing and thawing.
1.2 Preparation of working solution
Dilute to 0.5-5 µM with PBS or serum-free medium (optimized according to the experiment).
Note: The working solution should be prepared and used immediately. Keep it away from light.

2. Cell staining
2.1 Fix cells.
2.2 Pellet and resuspend cells.
2.3 Add 7-Aminoactinomycin D (7-AAD) staining solution (0.5 to 5 µM).
2.4 Incubate for 15 to 60 minutes.
2.5 Measure fluorescence intensity (Ex/Em = 549/648 nm).

7-Aminoactinomycin D (7-AAD) is a DNA dye that distinguishes viable, apoptotic, and late apoptotic/dead cells in flow cytometry. 7-Aminoactinomycin D staining with 5 μg/mL, 10 μg/mL, and 20 μg/mL, but not with 1 μg/mL, is suitable for quantification of apoptosis in flow cytometry[1].
7-Aminoactinomycin D is frequently used to stain and exclude dead cells in flow cytometry at low concentrations (0.5-5 μg/mL). At higher concentrations (10-20 μg/mL), 7-Aminoactinomycin D has also been used to distinguish between viable cells (7-AADnegative) and apoptotic cells (7-AADdim) or dead cells (7-AADbright) using the fact that permeability of the cell membrane, and hence fluorescence intensity, is low in early apoptotic cells and high in late apoptotic and dead cells[1].

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

7-Aminoactinomycin D Related Antibodies
Molecular Weight

1270.43

Formula

C62H87N13O16
CAS No.
Appearance

Solid

Color

Brown to reddish brown

Emission (Em)

648
Excitation (Ex)

549
SMILES

O=C(N[C@H](C(N1[C@@](C(N(C)CC(N(C)[C@@H](C(C)C)C(O[C@@H]2C)=O)=O)=O)([H])CCC1)=O)C(C)C)[C@H]2NC(C(C(C(OC3=C(C)C(N)=C4)=C5C)=NC3=C4C(N[C@@H]6C(N[C@H](C(N7[C@@](C(N(C)CC(N(C)[C@@H](C(C)C)C(O[C@@H]6C)=O)=O)=O)([H])CCC7)=O)C(C)C)=O)=O)=C(N)C5=O)=O
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, protect from light

*The compound is unstable in solutions, freshly prepared is recommended.

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (78.71 mM; Need ultrasonic; 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 0.7871 mL 3.9357 mL 7.8714 mL
5 mM 0.1574 mL 0.7871 mL 1.5743 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. The compound is unstable in solutions, freshly prepared is recommended.

  • 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)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

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 (1.97 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.
  • Protocol 2

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

    Solubility: 2.5 mg/mL (1.97 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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).

*The compound is unstable in solutions, freshly prepared is recommended.

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

Purity: ≥99.0%

SDS (419 KB)

COA (263 KB)

Handling Instructions (2659 KB)
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. The compound is unstable in solutions, freshly prepared is recommended.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 0.7871 mL 3.9357 mL 7.8714 mL 19.6784 mL
5 mM 0.1574 mL 0.7871 mL 1.5743 mL 3.9357 mL
10 mM 0.0787 mL 0.3936 mL 0.7871 mL 1.9678 mL
15 mM 0.0525 mL 0.2624 mL 0.5248 mL 1.3119 mL
20 mM 0.0394 mL 0.1968 mL 0.3936 mL 0.9839 mL
25 mM 0.0315 mL 0.1574 mL 0.3149 mL 0.7871 mL
30 mM 0.0262 mL 0.1312 mL 0.2624 mL 0.6559 mL
40 mM 0.0197 mL 0.0984 mL 0.1968 mL 0.4920 mL
50 mM 0.0157 mL 0.0787 mL 0.1574 mL 0.3936 mL
60 mM 0.0131 mL 0.0656 mL 0.1312 mL 0.3280 mL
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7-Aminoactinomycin D 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:

7-Aminoactinomycin D7240-37-17-AADDNA/RNA SynthesisBacterialDNA StainAntibioticRNApolymeraseDNAstainantibacterialflowcytometryInhibitorinhibitorinhibit

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