1. Membrane Transporter/Ion Channel Neuronal Signaling Autophagy
  2. TRP Channel Autophagy
  3. Adenosine 5′-diphosphoribose

Adenosine 5′-diphosphoribose  (Synonyms: ADP ribose)

Cat. No.: HY-100973 Purity: 98.21%
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Adenosine 5′-diphosphoribose (ADP ribose) is a nicotinamide adenine nucleotide (NAD+) metabolite. Adenosine 5′-diphosphoribose is the most potent and primary intracellular Ca2+-permeable cation TRPM2 channel activator. Adenosine 5′-diphosphoribose also can enhance autophagy.

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

CAS No. : 20762-30-5

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in Water
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Based on 8 publication(s) in Google Scholar

Other Forms of Adenosine 5′-diphosphoribose:

Top Publications Citing Use of Products

    Adenosine 5′-diphosphoribose purchased from MedChemExpress. Usage Cited in: EMBO J. 2025 Aug;44(15):4222-4251.  [Abstract]

    Results indicated that a minimum concentration of 5 μM was sufficient to enhance sensitivity and improve peak shape for the analytes. The sensitivity was enhanced by about 12-fold for cADPR, 40-fold for NMN, 5-fold for NAD, and 3-fold for ADPR. Analysis was performed on a mixed sample of 2ng/mL cADPR, 0.2 ng/mL NMN, 20 ng/mL NAD, and 20 ng/mL ADPR (Adenosine 5′-diphosphoribose sodium) using the Water Atlantis Premier BEH C18 AX column.

    Adenosine 5′-diphosphoribose purchased from MedChemExpress. Usage Cited in: EMBO J. 2025 Aug;44(15):4222-4251.  [Abstract]

    MRM chromatograms showing NAD+, NMN, NAM, ADPR (Adenosine 5′-diphosphoribose sodium), cADPR, and IS peaks detected using LC-MS/MS.

    Adenosine 5′-diphosphoribose purchased from MedChemExpress. Usage Cited in: EMBO J. 2025 Aug;44(15):4222-4251.  [Abstract]

    Compared to the normal nerve, a decreased NAD+ level and increased NMN level in the injured nerves were observed, resulting in about a 2-fold increase in NMN/NAD+ ratio. The level of NAM and ADPR (Adenosine 5′-diphosphoribose sodium) decreased by about 2-fold, and cADPR increased by more than 8-fold.
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    Description

    Adenosine 5′-diphosphoribose (ADP ribose) is a nicotinamide adenine nucleotide (NAD+) metabolite. Adenosine 5′-diphosphoribose is the most potent and primary intracellular Ca2+-permeable cation TRPM2 channel activator. Adenosine 5′-diphosphoribose also can enhance autophagy[1][2].

    In Vitro

    In mouse embryonic fibroblasts (MEFs), H2O2 treatment demonstrates that the activation of poly(ADP-ribose) (PAR) polymerase-1 (PARP-1) produced Adenosine 5′-diphosphoribose (ADP ribose), which is an activating signal for TRPM2 channels, thereby promoting Ca2+ elevation through extracellular Ca2+ influx and (or) lysosomal Ca2+ release. This process eventually activates early or late autophagy in response to different degrees of oxidative stress[1][1].
    TRPM2 channels are activated by binding of Adenosine 5′-diphosphoribose (ADP ribose) to the intracellular NUDT9-homology (NUDT9-H) domain unique to TRPM2 and located at its C terminus. In addition to ADPR, intracellular Ca2+ is an essential coactivator: TRPM2 channels open only in the combined presence of both ligands[2].

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

    Molecular Weight

    559.32

    Formula

    C15H23N5O14P2

    CAS No.
    Appearance

    Solid

    Color

    Light yellow to yellow

    SMILES

    O[C@H]1[C@@H](O)[C@H](N2C=NC3=C2N=CN=C3N)O[C@@H]1COP(OP(OC[C@H]([C@H]([C@H](C=O)O)O)O)(O)=O)(O)=O

    Shipping

    Room temperature in continental US; may vary elsewhere.

    Storage
    Powder -20°C 3 years
    In solvent -80°C 6 months
    -20°C 1 month
    Solvent & Solubility
    In Vitro: 

    H2O : 175 mg/mL (312.88 mM; Need ultrasonic)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 1.7879 mL 8.9394 mL 17.8789 mL
    5 mM 0.3576 mL 1.7879 mL 3.5758 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.

    * 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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    This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
    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).
    Purity & Documentation

    Purity: 98.21%

    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. 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 1 mM 1.7879 mL 8.9394 mL 17.8789 mL 44.6971 mL
    5 mM 0.3576 mL 1.7879 mL 3.5758 mL 8.9394 mL
    10 mM 0.1788 mL 0.8939 mL 1.7879 mL 4.4697 mL
    15 mM 0.1192 mL 0.5960 mL 1.1919 mL 2.9798 mL
    20 mM 0.0894 mL 0.4470 mL 0.8939 mL 2.2349 mL
    25 mM 0.0715 mL 0.3576 mL 0.7152 mL 1.7879 mL
    30 mM 0.0596 mL 0.2980 mL 0.5960 mL 1.4899 mL
    40 mM 0.0447 mL 0.2235 mL 0.4470 mL 1.1174 mL
    50 mM 0.0358 mL 0.1788 mL 0.3576 mL 0.8939 mL
    60 mM 0.0298 mL 0.1490 mL 0.2980 mL 0.7450 mL
    80 mM 0.0223 mL 0.1117 mL 0.2235 mL 0.5587 mL
    100 mM 0.0179 mL 0.0894 mL 0.1788 mL 0.4470 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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    Product Name:
    Adenosine 5′-diphosphoribose
    Cat. No.:
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