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A2754 Sigma

Adenosine 5′-diphosphate sodium salt

bacterial, ≥95% (HPLC)

Synonym: ADP



Frequently Asked Questions

Frequently Asked Questions are available for this Product.


1 g in poly bottle

100, 500 mg in poly bottle


Adenosine 5′-diphosphate (ADP) is an adenine nucleotide involved in energy storage and nucleic acid metabolism via its conversion into ATP by ATP synthases. ADP affects platelet activation through its interaction with ADP receptors P2Y1, P2Y12 and P2X1. Upon its conversion to adenosine by ecto-ADPases, platelet activation is inhibited via adenosine receptors.

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All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
What is the solubility of Adenosine 5'-diphosphate (ADP) sodium salt, Product A2754?
ADP sodium salt is soluble in water at a concentration of 50 mg/mL.
What is the solution stability of Adenosine 5'-diphosphate (ADP) sodium salt, Product A2754?
ADP sodium salt is stable in solution for several months when stored at pH 7 and at -20 ºC.  When a solution is stored at pH 7 and 4 ºC, the solution is stable for several days. It is unstable in acid.
What are the spectral properties of Adenosine 5'-diphosphate (ADP) sodium salt, Product A2754?
The millimolar extinction coefficient of a pH 7 solution of ADP sodium salt is 15.4 at the absorbance maximum wavelength of 259 nm.
I see that the  molecular weight for Adenosine 5'-diphosphate (ADP) sodium salt, Product A2754, on the website does not include sodium, water and solvent content. Why is that?
The amount of sodium, water and solvent for ADP sodium salt will vary from lot to lot.  The specific lot information can be found on the certificate of analysis located at our website. To obtain the "true" molecular weight (so that one can calculate the molarity of a solution), the sodium, water and solvent amount must be added to the molecular weight listed on the website.
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles


HPLC Analysis of Adenosine Nucleosides on Supelcosil™ LC-18-T

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Adenosine Nucleosides on Supelcosil™ LC-18-T
Keywords: Chromatography, High performance liquid chromatography, Separation

MSMLS Online Plate Map

Metabolite descriptors included with the software download upon purchase of the product include: Name, Parent CID, molecular formula, molecular weight, CAS, ChEBI, HMDB ID, PubChem Compound and Subst...
Keywords: Mass spectrometry, Metabolites


Enzymatic Assay of Myokinase (EC

Replaces OP SP-ADP01. New document assigned to conform to current document numbering system. Refer to CR SOP-DEK-ENZ47.
Keywords: Extinction coefficient, Molecular biology

Peer-Reviewed Papers


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92210 Timestrip Plus 0 °C
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