2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Aldehyde Dehydrogenase (ALDH)

Aldehyde Dehydrogenase (ALDH)

Aldehyde Dehydrogenase (ALDH)

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Aldehyde Dehydrogenases (ALDHs) are a superfamily of NADP+-dependent enzymes that metabolize endogenous and exogenous aldehydes to corresponding carboxylic acids. This superfamily of proteins is comprised of 19 isozymes, with constitutive activity of at least one isozyme observed in a majority of mammalian tissues. The ALDHs play important roles, among other things, in cellular detoxification, the protection against ultraviolet radiation-induced damage, and amino acid metabolism.

The ALDH1A subfamily plays a pivotal role in embryogenesis and development by mediating retinoic acid signaling. ALDH2, as a key enzyme that oxidizes acetaldehyde, is crucial for alcohol metabolism. ALDH1A1 and ALDH3A1 are lens and corneal crystallins, which are essential elements of the cellular defense mechanism against ultraviolet radiation-induced damage in ocular tissues. Many ALDH isozymes are important in oxidizing reactive aldehydes derived from lipid peroxidation and thereby help maintain cellular homeostasis. Increased expression and activity of ALDH isozymes have been reported in various human cancers and are associated with cancer relapse. As a direct consequence of their significant physiological and toxicological roles, inhibitors of the ALDH enzymes have been developed to treat human diseases.

Aldehyde Dehydrogenase (ALDH) Isoform Specific Products:

Aldehyde Dehydrogenase (ALDH) Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-118980
    Sorbitol dehydrogenase-IN-1
    		Inhibitor 98.70%
    Sorbitol dehydrogenase-IN-1 is a potent and orally active sorbitol dehydrogenase inhibitor with IC50 s of 4, 5 nM for rat and human, respectively. Sorbitol Dehydrogenase (SDH) is an enzyme that belongs to the zinc-containing alcohol dehydrogenase (ADH) family. ADH and ALDH are enzymes that work together to metabolize alcohol.
    Sorbitol dehydrogenase-IN-1
  • HY-151229
    S-Methyl-N,N-diethylthiolcarbamate
    		Inhibitor 99.77%
    S-Methyl-N,N-diethylthiolcarbamate (DETC-Me; DDTC-Me) is the active metabolite of the aldehyde dehydrogenase inhibitor disulfiram (HY-B0240). It is produced by the methylation of the disulfiram metabolite diethyldithiocarbamate in mouse liver microsomes. S-Methyl-N,N-diethylthiolcarbamate (DETC-Me; DDTC-Me) inhibits rat liver low Km aldehyde dehydrogenase (ALDH) (ID50=15.5 mg/kg). When administered at a dose of 20.6 mg/kg, it decreases mean arterial pressure (MAP) and increases heart rate in rats during ethanol stimulation.
    S-Methyl-N,N-diethylthiolcarbamate
  • HY-W007330
    2-Bromoacetamide
    		Inhibitor 99.77%
    2-Bromoacetamide can inactivate alcohol dehydrogenase.
    2-Bromoacetamide
  • HY-164605
    (6S)-CP-470711
    		Inhibitor 98.75%
    (6S)-CP-470711 (Compound 8) is an inhibitor for sorbitol dehydrogenase, that inhibits human and rat SDH with IC50 of 19 nM and 27 nM. (6S)-CP-470711 ameliorates the Streptozotocin (HY-13753)-induced diabetes in rats models.
    (6S)-CP-470711
  • HY-W207195
    7-Hydroxy-4-phenylcoumarin
    		Inhibitor
    7-Hydroxy-4-phenylcoumarin is a dual ALDH-2 and MAO inhibitor, with IC50 values of 1.5 and 0.5 µM, respectively.
    7-Hydroxy-4-phenylcoumarin
  • HY-148243
    IGUANA-1 free base
    		Inhibitor 99.69%
    IGUANA-1 free base (STL5-T-0057) is an selective ALDH1 B1 inhibitor with an IC50 value of 30 nM. IGUANA-1 free base inhibits cell growth of SW480 cells in adherent and spheroid conditions with IC50 values of 2.46 and 0.39 μM, respectively. IGUANA-1 free base can be used for the research of cancer.
    IGUANA-1 free base
  • HY-157567
    FSI-TN42
    		Inhibitor 98.05%
    FSI-TN42 (N42) is a selective, orally active and irreversible ALDH1A1 inhibitor with an IC50 of 23 nM. FSI-TN42 shows 800-fold more potent against ALDH1A1 than ALDH1A2 (IC50
    FSI-TN42
  • HY-RS00568
    ALDH2 Human Pre-designed siRNA Set A
    		Inhibitor

    ALDH2 Human Pre-designed siRNA Set A contains three designed siRNAs for ALDH2 gene (Human), as well as a negative control, a positive control, and a FAM-labeled negative control.
    ALDH2 Human Pre-designed siRNA Set A
  • HY-139031
    ALDH1A2-IN-1
    		Inhibitor 98.80%
    ALDH1A2-IN-1 is an active site-directed reversible ALDH1A2 inhibitor (IC50=0.91 μM; Kd=0.26 μM) with several hydrophobic interactions.
    ALDH1A2-IN-1
  • HY-126241
    RV01
    		Inhibitor 98.06%
    RV01 is an analogue of resveratrol, inhibits DNA damage, reduces acetaldehyde dehydrogenase 2 (ALDH2) mRNA expression induced by ethanol, and exhibits hydroxyl radical scavenging activity. RV01 decreases iNOS expression, with anti-neuroinflammatory activity.
    RV01
  • HY-N1177
    Taraxerone
    		Inhibitor 99.95%
    Taraxerone is isolated from Sedum sarmentosum. Taraxerone enhances effects on alcohol dehydrogenase (ADH) and acetaldehyde dehydrogenase (ALDH) activities with EC50 values of 512.42 and 500.16 μM, respectively.
    Taraxerone
  • HY-N0018R
    Daidzin (Standard)
    		Inhibitor
    Daidzin (Standard) is the analytical standard of Daidzin. This product is intended for research and analytical applications. Daidzin is an isoflavone with antioxidant, anticancer, and antiatherosclerotic activities. Daidzin is a potent and selective inhibitor of mitochondrial ALDH-2. Daidzin reduces ethanol consumption.
    Daidzin (Standard)
  • HY-N7083R
    Citral (Standard)
    		Inhibitor
    Citral (Standard) is the analytical standard of Citral. This product is intended for research and analytical applications. Citral is an orally active monoterpene compound in lemon grass essential oil and a natural ALDH1A inhibitor, which can induce apoptosis and cycle arrest in breast cancer cell lines, and has analgesic, anti-injurious and anti-inflammatory effects.
    Citral (Standard)
  • HY-168985
    Mirivadelgat
    		Activator
    Mirivadelgat is an activator of aldehyde dehydrogenase 2 activator. Mirivadelgat is promising for research of interstitial lung disease-pulmonary hypertension and cancers.
    Mirivadelgat
  • HY-RS00570
    Aldh2 Rat Pre-designed siRNA Set A
    		Inhibitor

    Aldh2 Rat Pre-designed siRNA Set A contains three designed siRNAs for Aldh2 gene (Rat), as well as a negative control, a positive control, and a FAM-labeled negative control.
    Aldh2 Rat Pre-designed siRNA Set A
  • HY-159111
    KS124
    		Inhibitor
    KS124 (compound 3) is a potent ALDH inhibitor. KS124 shows inhibition for ALDH1A1, ALDH1A3, ALDH3A1. KS124 shows antiproliferative activity. KS124 induces apoptosis and ROS production.
    KS124
  • HY-157872
    ALDH1A1-IN-4
    		Inhibitor
    ALDH1A1-IN-4 (compound A1) is a potent inhibitor of aldehyde dehydrogenase (ALDH) A1, with IC50 value of 0.32 μM. ALDH1A1-IN-4 plays an important role in cancer research.
    ALDH1A1-IN-4
  • HY-158026
    ALDH1A1-IN-5
    		Inhibitor
    ALDH1A1-IN-5 (compound 25) is a potent aldehyde dehydrogenase 1A1 (ALDH1A1) inhibitor with EC50 value of 83, 45, 43 µM for ALDH1A1, ALDH1A2, ALDH1A3, respectively. ALDH1A1-IN-5 has the potential for the research of high-grade serous ovarian cancer (HGSOC).
    ALDH1A1-IN-5
  • HY-76006R
    3-Hydroxybenzaldehyde (Standard)
    3-Hydroxybenzaldehyde (Standard) is the analytical standard of 3-Hydroxybenzaldehyde. This product is intended for research and analytical applications. 3-Hydroxybenzaldehyde (3-HBA) is a precursor compound for phenolic compounds like Protocatechuic aldehyde (PCA) (HY-N0295). 3-Hydroxybenzaldehyde, produced by 3-hydroxybenzyl-alcohol dehydrogenase, is a substrate of aldehyde dehydrogenase (ALDH) in rats and humans. 3-Hydroxybenzaldehyde has vasculoprotective effects in vitro and in vivo. 3-Hydroxybenzaldehyde is proming for research of atherosclerosis[1][2][3][4].
    3-Hydroxybenzaldehyde (Standard)
  • HY-139032
    CM121
    		Inhibitor
    CM121 is an active site-directed reversible ALDH1A2 inhibitor (IC50=0.54 μM；Kd=1.1 μM) with a variety of hydrophobic interactions.
    CM121
Cat. No. Product Name / Synonyms Application Reactivity
Aldehyde Dehydrogenase (ALDH) Isoform Comparison

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