2. Metabolic Enzyme/Protease
  3. Endogenous Metabolite
  4. Purine

Purine  (Synonyms: Purine (6CI,8CI); 3,5,7-Triazaindole; 3H-Imidazo[4,5-d]pyrimidine; 6H-Imidazo[4,5-d]pyrimidine; 7H-Purine; Isopurine; NSC 753; β-Purine)

Cat. No.: HY-34431 Purity: 99.19%
SDS COA Handling Instructions

Molarity Calculator

Purine is an endogenous metabolite.

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

Purine Chemical Structure

Purine Chemical Structure

CAS No. : 120-73-0

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 36 In-stock
Solution
10 mM * 1 mL in DMSO USD 36 In-stock
Solid
100 mg USD 33 In-stock
200 mg   Get quote  
500 mg   Get quote  

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Based on 1 publication(s) in Google Scholar

Other Forms of Purine:

Purine Related Antibodies

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Description

Purine is an endogenous metabolite.

IC50 & Target

Human Endogenous Metabolite

 

Clinical Trial
Molecular Weight

120.11

Formula

C5H4N4
CAS No.
Appearance

Solid

Color

Off-white to gray

SMILES

C12=NC=NC=C1N=CN2
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 50 mg/mL (416.29 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 8.3257 mL 41.6285 mL 83.2570 mL
5 mM 1.6651 mL 8.3257 mL 16.6514 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. 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)

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 (20.81 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 (20.81 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 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 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: 99.19%

SDS (394 KB)

COA (253 KB) HNMR (240 KB) RP-HPLC (245 KB) LCMS (94 KB)

Handling Instructions (2659 KB)

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. 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 8.3257 mL 41.6285 mL 83.2570 mL 208.1425 mL
5 mM 1.6651 mL 8.3257 mL 16.6514 mL 41.6285 mL
10 mM 0.8326 mL 4.1629 mL 8.3257 mL 20.8143 mL
15 mM 0.5550 mL 2.7752 mL 5.5505 mL 13.8762 mL
20 mM 0.4163 mL 2.0814 mL 4.1629 mL 10.4071 mL
25 mM 0.3330 mL 1.6651 mL 3.3303 mL 8.3257 mL
30 mM 0.2775 mL 1.3876 mL 2.7752 mL 6.9381 mL
40 mM 0.2081 mL 1.0407 mL 2.0814 mL 5.2036 mL
50 mM 0.1665 mL 0.8326 mL 1.6651 mL 4.1629 mL
60 mM 0.1388 mL 0.6938 mL 1.3876 mL 3.4690 mL
80 mM 0.1041 mL 0.5204 mL 1.0407 mL 2.6018 mL
100 mM 0.0833 mL 0.4163 mL 0.8326 mL 2.0814 mL
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Purine 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:

Purine120-73-0Purine (6CI,8CI) 3,5,7-Triazaindole 3H-Imidazo[4,5-d]pyrimidine 6H-Imidazo[4,5-d]pyrimidine 7H-Purine Isopurine NSC 753 β-PurineNSC753NSC 753NSC-753Endogenous MetaboliteInhibitorinhibitorinhibit

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