1. Metabolic Enzyme/Protease
  2. Endogenous Metabolite
  3. NADPH

NADPH is a coenzyme of glutathione reductase (GR), thioredoxin reductase (TrxR) and NADPH oxidase (NOX), and participates in redox reactions as a hydrogen donor. NADPH has the characteristic of selectively participating in the regulation of cellular redox homeostasis. NADPH exerts antioxidant activity and resists reactive oxygen species (ROS) damage by providing reducing equivalents for the regeneration of glutathione (GSH) and thioredoxin (Trx); at the same time, it acts as a substrate of NOX to generate superoxide anions, mediating oxidative stress and immune response. NADPH participates in maintaining the intracellular reducing environment, biosynthesis and regulating gene expression (such as the Nrf2 pathway), and is mainly used in the study of oxidative stress-related diseases (such as cardiovascular diseases, neurodegenerative diseases, cancer) and immune regulation mechanisms.

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

CAS No. : 53-57-6

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in Water
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Customer Review

Based on 18 publication(s) in Google Scholar

Other Forms of NADPH:

Top Publications Citing Use of Products

    NADPH purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Sep 15:e07283.  [Abstract]

    A normal cellular state was recovered by adding TEMPO or NADPH (1mM, 24h), or SLC7A11 knockdown.

    NADPH purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Sep 15:e07283.  [Abstract]

    Western Blot analysis of RAC/WAVE pathway-related indicators in vitro skeletal muscle cells. Muscle cells treated with different condition NADPH(1mM, 24h).

    NADPH purchased from MedChemExpress. Usage Cited in: Adv Sci (Weinh). 2025 Sep 15:e07283.  [Abstract]

    mtROS fluorescence staining of skeletal muscle cells in vitro. Muscle cells treated with different condition NADPH(1mM, 24h).

    NADPH purchased from MedChemExpress. Usage Cited in: Mol Plant Pathol. 2025 Dec;26(12):e70196.  [Abstract]

    Enzymatic activities of AtCAD7, AtCAD5, EcYahK, and EcYjgB toward (Z)‐3‐hexenal, acrolein, isovaleraldehyde, salicylaldehyde, and p‐coumaryl aldehyde. No Substrate was negative control. Assays were conducted under standardised conditions (30°C, pH 6.5, 100 μM substrate, 200 μM NADPH).

    NADPH purchased from MedChemExpress. Usage Cited in: Mol Ther Oncol. 2024 Sep 17;32(4):200878.  [Abstract]

    Apoptosis proportion of oncoVV-AVL-treated AsPC-1(Up) and PANC-1 (Down) cells treated with NADPH (300 μM) or NADH. Data are presented as the mean ± SD (n=3).

    NADPH purchased from MedChemExpress. Usage Cited in: Mol Ther Oncol. 2024 Sep 17;32(4):200878.  [Abstract]

    Western blotting detection of the expressions of caspase-3 and caspase-9 in oncoVV or oncoVV-AVL-treated AsPC-1(Up) and PANC-1 (Down) cells treated with NADPH (300 μM).

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    • Purity & Documentation

    • References

    • Customer Review

    Description

    NADPH is a coenzyme of glutathione reductase (GR), thioredoxin reductase (TrxR) and NADPH oxidase (NOX), and participates in redox reactions as a hydrogen donor. NADPH has the characteristic of selectively participating in the regulation of cellular redox homeostasis. NADPH exerts antioxidant activity and resists reactive oxygen species (ROS) damage by providing reducing equivalents for the regeneration of glutathione (GSH) and thioredoxin (Trx); at the same time, it acts as a substrate of NOX to generate superoxide anions, mediating oxidative stress and immune response. NADPH participates in maintaining the intracellular reducing environment, biosynthesis and regulating gene expression (such as the Nrf2 pathway), and is mainly used in the study of oxidative stress-related diseases (such as cardiovascular diseases, neurodegenerative diseases, cancer) and immune regulation mechanisms[1][2].

    IC50 & Target

    Human Endogenous Metabolite

     

    In Vitro

    In NADK-overexpressing cells, a 4-5-fold increase in NADK concentration increases the survival rate of HEK293 cells after treatment with 1 mM H2O2 and 0.1 mM Menadione (HY-B0332) (treatment for 24 h)[2].
    The mRNA and protein expressions of PRDX5 and Nrf2 are also decreased in NADK-overexpressing HEK293 cells[2].

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

    Cell Viability Assay[2]

    Cell Line: HEK293 cells (control, NADK overexpressing NADK+, NADK knockdown NADK-)
    Concentration: Intracellular NADPH increased 4-5-fold in NADK(+) cells
    Incubation Time:
    Result: Decreased by ~70% in NADK- cells (compared to control) 30 min treatment with 1 mM H2O2 or 100 μM Menadione, followed by 24 h recovery Showed significantly higher viability (10-20% increase) than control cells after H2O2 or Menadione treatment, while NADK- cells exhibited a slight decrease (10%) in viability compared to contro.
    Molecular Weight

    745.42

    Formula

    C21H30N7O17P3

    CAS No.
    Appearance

    Solid

    Color

    White to light yellow

    SMILES

    O=P(O)(O)O[C@H]1[C@H](N2C3=NC=NC(N)=C3N=C2)O[C@@H]([C@H]1O)COP(OP(OC[C@H]4O[C@@H](N5C=C(CC=C5)C(N)=O)[C@@H]([C@@H]4O)O)(O)=O)(O)=O

    Structure Classification
    Initial Source
    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: 

    H2O : 116.67 mg/mL (156.52 mM; Need ultrasonic)

    Preparing
    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 1.3415 mL 6.7076 mL 13.4153 mL
    5 mM 0.2683 mL 1.3415 mL 2.6831 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.

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    This equation is commonly abbreviated as: C1V1 = C2V2

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    In Vivo Dissolution Calculator
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    Working solution concentration: mg/mL
    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: 99.75%

    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 1 mM 1.3415 mL 6.7076 mL 13.4153 mL 33.5381 mL
    5 mM 0.2683 mL 1.3415 mL 2.6831 mL 6.7076 mL
    10 mM 0.1342 mL 0.6708 mL 1.3415 mL 3.3538 mL
    15 mM 0.0894 mL 0.4472 mL 0.8944 mL 2.2359 mL
    20 mM 0.0671 mL 0.3354 mL 0.6708 mL 1.6769 mL
    25 mM 0.0537 mL 0.2683 mL 0.5366 mL 1.3415 mL
    30 mM 0.0447 mL 0.2236 mL 0.4472 mL 1.1179 mL
    40 mM 0.0335 mL 0.1677 mL 0.3354 mL 0.8385 mL
    50 mM 0.0268 mL 0.1342 mL 0.2683 mL 0.6708 mL
    60 mM 0.0224 mL 0.1118 mL 0.2236 mL 0.5590 mL
    80 mM 0.0168 mL 0.0838 mL 0.1677 mL 0.4192 mL
    100 mM 0.0134 mL 0.0671 mL 0.1342 mL 0.3354 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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      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.

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