2. Cell Cycle/DNA Damage
  3. DNA Stain
  4. 2-Aminopurine

2-Aminopurine, a fluorescent analog of guanosine and adenosine, is a widely used fluorescence-decay-based probe of DNA structure. When 2-Aminopurine is inserted in anoligonucleotide, its fluorescence is highly quenched by stacking with the natural bases. 2-Aminopurine has been used to probe nucleic acid structure and dynamics.

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2-Aminopurine Chemical Structure

2-Aminopurine Chemical Structure

CAS No. : 452-06-2

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Other Forms of 2-Aminopurine:

2-Aminopurine Related Antibodies

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Description

2-Aminopurine, a fluorescent analog of guanosine and adenosine, is a widely used fluorescence-decay-based probe of DNA structure. When 2-Aminopurine is inserted in anoligonucleotide, its fluorescence is highly quenched by stacking with the natural bases. 2-Aminopurine has been used to probe nucleic acid structure and dynamics[1][2].

In Vitro

2-Aminopurine (2AP) is not valuable as afluorescent label because its fluorescence is highly quenched by stacking with the natural bases, when it is inserted in anoligonucleotide. However, it is this very susceptibility to interbase quenching that makes 2AP an exquisitely sensitivefluorescent probe of nucleic acid structure[1].
2-Aminopurine differs from adenine (6-aminopurine) only in the position of the exocyclic amine group, and yet its fluorescence intensity is one thousand times that of adenine[1].

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

2-Aminopurine Related Antibodies
Molecular Weight

135.13

Formula

C5H5N5
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

NC1=NC=C2NC=NC2=N1
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, protect from light

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

Solvent & Solubility
In Vitro: 

DMSO : 5 mg/mL (37.00 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : 1.35 mg/mL (9.99 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 7.4003 mL 37.0014 mL 74.0028 mL
5 mM 1.4801 mL 7.4003 mL 14.8006 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). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • 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:

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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:  PBS

    Solubility: 2.5 mg/mL (18.50 mM); Clear solution; Need ultrasonic and warming and heat to 60°C

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.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: 99.53%

COA (248 KB) LCMS (96 KB)

Handling Instructions (2659 KB)
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). 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
H2O / DMSO 1 mM 7.4003 mL 37.0014 mL 74.0028 mL 185.0070 mL
5 mM 1.4801 mL 7.4003 mL 14.8006 mL 37.0014 mL
DMSO 10 mM 0.7400 mL 3.7001 mL 7.4003 mL 18.5007 mL
15 mM 0.4934 mL 2.4668 mL 4.9335 mL 12.3338 mL
20 mM 0.3700 mL 1.8501 mL 3.7001 mL 9.2504 mL
25 mM 0.2960 mL 1.4801 mL 2.9601 mL 7.4003 mL
30 mM 0.2467 mL 1.2334 mL 2.4668 mL 6.1669 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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2-Aminopurine 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:

2-Aminopurine452-06-2DNA StainguanosineadenosinedecayDNAInhibitorinhibitorinhibit

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