2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Carbonic Anhydrase

Carbonic Anhydrase

Carbonate dehydratase

Carbonic Anhydrase

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Carbonic anhydrase (CA) is a zinc-containing enzyme that catalyzes the reversible hydration of carbon dioxide: CO2 + H2O ⇋ HCO3- + H+. Eight genetically distinct carbonic anhydrase enzyme families (α-, β-, γ- δ-, ζ-, η-, θ- and ι- CAs) were described to date. Carbonic anhydrases are involved in numerous physiological and pathological processes. Many of them are important therapeutic targets with the potential to be inhibited to treat a range of disorders including oedema, glaucoma, obesity, cancer, epilepsy, and osteoporosis.

The carbonic anhydrase reaction is involved in many physiological and pathological processes, including respiration and transport of CO2 and bicarbonate between metabolizing tissues and lungs; pH and CO2 homeostasis; electrolyte secretion in various tissues and organs; biosynthetic reactions (such as gluconeogenesis, lipogenesis, and ureagenesis); bone resorption; calcification; and tumorigenicity. α-CAs are Zn2+ metalloproteins expressed in animals, vertebrates, prokaryotes, fungi, algae, protozoa, and plants. Sixteen mammalian α-CA isoforms are known to be involved in many diseases such as glaucoma, edema, epilepsy, obesity, hypoxic tumors, neuropathic pain, arthritis, neurodegeneration, etc.

Carbonic Anhydrase Isoform Specific Products:

Carbonic Anhydrase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-178362
    CAII/VII-IN-1
    		Inhibitor
    CAII/VII-IN-1 is an orally active hCA II (KI = 12.3 nM), and hCA VII (KI = 22.6 nM) inhibitor, showing no significant activity against hCA I. CAII/VII-IN-1 shows excellent neuroprotective activity in vivo Pilocarpine (HY-B0726A)-induced seizure model. CAII/VII-IN-1 can upregulate KCC2 and inhibit mTOR, exerting neuroprotective effects. CAII/VII-IN-1 does not show any significant neurotoxic effects or alterations in liver and kidney function. CAII/VII-IN-1 can be used for the study of epilepsy.
    CAII/VII-IN-1
  • HY-163380
    CA/MAO-B-IN-1
    		Inhibitor 98.34%
    CA/MAO-B-IN-1 (Compound 78) is a dual inhibitor for human brain carbonic anhydrases (CA) and Monoamine Oxidase-B (MAO-B), with IC50s of 8.8 and 7.0 nM, respectively. CA/MAO-B-IN-1 reveals a human oral absorption of 71.9% through in silico prediction.
    CA/MAO-B-IN-1
  • HY-174835
    hCA-I/hCA-II-IN-1
    		Inhibitor
    hCA-I/hCA-II-IN-1 (Compound P4) is a potent dual human carbonic anhydrase I (hCA-I) and human carbonic anhydrase II (hCA-II) inhibitor with Ki values of 0.22 μM and 0.33 μM, respectively. hCA-I/hCA-II-IN-1 can be used in research on diseases related to CA enzymes such as glaucoma, hypertension, and ulcers.
    hCA-I/hCA-II-IN-1
  • HY-178475
    CA IX/GPX4-IN-1
    		Inhibitor
    CA IX/GPX4-IN-1 (Compound 22abcb) is a dual targeted inhibitor of CA IX and GPX4 activity. CA IX/GPX4-IN-1 can effectively kill SUM159PT cells (IC50 = 416 nM) by inducing iron death under hypoxic conditions. CA IX/GPX4-IN-1 has an IC50 of 663 nM to CA IX in SUM159PT-CAIX-FL cells. CA IX/GPX4-IN-1 can significantly inhibit tumor growth and can be reversed by ferroptosis inhibitors. CA IX/GPX4-IN-1 can be used for research on breast cancer and other cancers.
    CA IX/GPX4-IN-1
  • HY-169162
    hBChE-IN-3
    		Activator
    hBChE-IN-3 (compound 30) is a combination of carbonic anhydrase (CA) activator and cholinesterase (ChE) inhibitor with IC50 values of 7.4 and 1.9 nM for AchE and BchE, respectively. hBChE-IN-3 can be used in the study of neurodegeneration and psychiatric disorders.
    hBChE-IN-3
  • HY-161286
    hCAXII-IN-8
    		Inhibitor
    hCAXII-IN-8 (compound 5r) is a potent carbonic anhydrase hCA XII inhibitor.
    hCAXII-IN-8
  • HY-175219
    CA-II/Dkk1-IN-1
    		Inhibitor
    CA-II/Dkk1-IN-1 (Compound 5d) is a dual-functional inhibitor of CA-II and Dkk1 with a IC50 of 6.90  nM for CA-II. CA-II/Dkk1-IN-1 has significantly antioxidant activity and superior DNA binding capacity. CA-II/Dkk1-IN-1 can be used for cancers research, such as esophageal, renal, and lung cancer.
    CA-II/Dkk1-IN-1
  • HY-162063
    hCAIX/XII-IN-9
    		Inhibitor
    hCAIX/XII-IN-9 (compound 8) is a potent carbonic anhydrase (CA) inhibitor with Ki values of 1658 nM, 184.8 nM, 8.9 nM, 64.8 nM for hCA I, hCA II, hCA IX, and hCA XII, respectively.
    hCAIX/XII-IN-9
  • HY-161143
    Carbonic anhydrase/AChE-IN-2
    		Inhibitor
    Carbonic anhydrase/AChE-IN-2 (compound 19) is a selective acetylcholinesterase (AChE) and carbonic anhydrase (CA) inhibitor, with Ei of 5.07 nM, 24.42 nM and 19.95 nM for AChE, hCAI and hCAII, respectively.
    Carbonic anhydrase/AChE-IN-2
  • HY-157139
    ALP/Carbonic anhydrase-IN-1
    		Inhibitor 99.90%
    ALP/Carbonic anhydrase-IN-1 (Compound 1e) is a dual carbonic anhydrase (CA) and alkaline phosphatase (ALP) inhibitor. ALP/Carbonic anhydrase-IN-1 shows IC50 values of 0.44 µM, 1.61 µM, 0.51 µM, and 0.107 µM for CA-II, CA-IX, CA-XII, and ALP, respectively.
    ALP/Carbonic anhydrase-IN-1
  • HY-147925
    hCAI/II-IN-4
    		Inhibitor
    hCAI/II-IN-4 (compound 6d) is a potent dual hCA I/II inhibitor with Ki values of 16.95, 15.22 and 27.04 nM for hCA I, hCA II and hCA Ⅸ, respectively. hCAI/II-IN-4 has anti-hypoxia activities and low toxicity. hCAI/II-IN-4 can be used for acute mountain sickness (AMS) research.
    hCAI/II-IN-4
  • HY-146385
    hCAI/II-IN-1
    		Inhibitor
    hCAI/II-IN-1 (Compound 3h) is a human carbonic anhydrase I and II (hCA I/II) inhibitor with IC50 values of 0.047 µM and 0.024 µM against hCA I and hCA II, respectively.
    hCAI/II-IN-1
  • HY-146355
    hCAII-IN-2
    		Inhibitor
    hCAII-IN-2 (Compound 11f) is a cytosolic human carbonic anhydrase (hCA) inhibitor with Ki values of 261.4, 3.8, 19.6 and 45.2 nM against hCA I, hCA II, hCA IX and hCA XII, respectively.
    hCAII-IN-2
  • HY-146206
    HCAIX-IN-1
    		Inhibitor
    HCAIX-IN-1 (compound 21e) is a potent and selective HCAIX inhibitor with KIs of 694.9, 126.6, 3.3, 9.8 nM for hCA I, hCA II, hCA IX, hCA XII, respectively.
    HCAIX-IN-1
  • HY-149402
    hCA XII-IN-6
    		Inhibitor
    hCA XII-IN-6 (compound 4d) is a potent hCA XII inhibitor with a Ki value of 84.2 nM. hCA XII-IN-6 has anti-proliferative activity. hCA XII-IN-6 can be used in research of cancer.
    hCA XII-IN-6
  • HY-B0235A
    Trichlormethiazide sodium
    Trichlormethiazide sodium is an orally active thiazide diuretic, with antihypertensive effect. Trichlormethiazide sodium increases urine volume (UV), Na and K excretion and tends to improve the depressed creatinine clearance (CCRE) in acute renal failure rats model.
    Trichlormethiazide sodium
  • HY-B0109AR
    Dorzolamide hydrochloride (Standard)
    		Inhibitor
    Dorzolamide (hydrochloride) (Standard) is the analytical standard of Dorzolamide (hydrochloride). This product is intended for research and analytical applications. Dorzolamide (L671152) hydrochloride is a potent carbonic anhydrase II inhibitor, with IC50 values of 0.18 nM and 600 nM for red blood cell CA-II and CA-I respectively. Dorzolamide possesses anti-tumor activity.
    Dorzolamide hydrochloride (Standard)
  • HY-101087R
    Benzenesulphonamide (Standard)
    		Inhibitor
    Benzenesulphonamide (Standard) is the analytical standard of Benzenesulphonamide (HY-101087). This product is intended for research and analytical applications. Benzenesulphonamide (Compound 1) is a carbonic anhydrase inhibitor. Benzenesulphonamide exhibits CA II inhibitory activity. Benzenesulphonamide reduces ROS and improves the gene expression of amyloid-β40 and 42. Benzenesulphonamide is beneficial for Alzheimer's disease. Benzenesulphonamide derivatives have anticancer, anti-inflammatory, and anticonvulsant activities. Benzenesulphonamide can be used in the research of Alzheimer's disease, epilepsy, inflammatory diseases, leukemia, melanoma, lung cancer, and colon cancer.
    Benzenesulphonamide (Standard)
  • HY-110234R
    Topiramate D12 (Standard)
    		Inhibitor
    Topiramate D12 (Standard) is the analytical standard of Topiramate D12. This product is intended for research and analytical applications. Topiramate D12 (McN 4853 D12) is a deuterium labeled Topiramate. Topiramate is a broad-spectrum antiepileptic agent. Topiramate is a GluR5 receptor antagonist. Topiramate produces its antiepileptic effects through enhancement of GABAergic activity, inhibition of kainate/AMPA receptors, inhibition of voltage-sensitive sodium and calcium channels, increases in potassium conductance, and inhibition of carbonic anhydrase.
    Topiramate D12 (Standard)
  • HY-161374
    Carbonic anhydrase inhibitor 20
    		Inhibitor
    Carbonic anhydrase inhibitor 20 (compound 11) is an inhibitor of piperazinosulfonamide carbonic anhydrase (Carbonic Anhydrase). The Ki of Carbonic anhydrase inhibitor 20 for hCA I, hCA II, hCA IX, and hCA XII are 47.6 nM, 36.5 nM, 8.3 nM, and 2.7 nM respectively.
    Carbonic anhydrase inhibitor 20
Cat. No. Product Name / Synonyms Species Source
Carbonic Anhydrase Isoform Comparison

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