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-151633
    hCAIX-IN-14
    		Inhibitor
    hCAIX-IN-14 (compound 5a) is a potent inhibitor of human CA IX with a Ki value of 134.8 nM.
    hCAIX-IN-14
  • HY-147665
    hCAIX-IN-7
    		Inhibitor
    hCAIX-IN-7 (compound 6c) is a potent and selective hCAIX inhibitor with KIs of >10000, >10000, 43.0, 410.6 nM for hCAI, hCAII, hCAIV, hCAIX, respectively.
    hCAIX-IN-7
  • HY-115994
    Carbonic anhydrase inhibitor 10
    		Inhibitor
    Carbonic anhydrase inhibitor 10 is a potent hCA IX inhibitor with a Ki value of 6.2 nM. Carbonic anhydrase inhibitor 10 exhibits anti-proliferative activity against MCF-7 cancer cell line with an IC50 of 11.9 μM. Carbonic anhydrase inhibitor 10 can be used for cancer research.
    Carbonic anhydrase inhibitor 10
  • HY-163710
    hCA/VEGFR-2-IN-5
    		Inhibitor
    hCA/VEGFR-2 IN-5 (compound 9) is an indolone-phenylsulfonamide and a potential dual inhibitor of cancer-related hCA IX/XII and VEGFR-2. The IC50 values of hCA/VEGFR-2-IN-5 for VEGFR-2, hCA IX and hCA XII are 0.38 μM, 40 and 3.2 nM, respectively. hCA/VEGFR-2-IN-5 has antitumor activity.
    hCA/VEGFR-2-IN-5
  • HY-149269
    COX-2-IN-30
    		Inhibitor
    COX-2-IN-30 is a benzenesulfonamide derivative, as well as an orally active and dual inhibitor of COX (IC50=49 nM for COX-2, 10.4 μM for COX-1) and 5-LOX (IC50=2.4 μM). COX-2-IN-30 also inhibits transmembrane hCA IX and hCA XII isoform with nanomolar calss Ki values. COX-2-IN-30 exhibits analgesic, anti-inflammatory, and ulcerogenic activities, and does not show acute gastric effect.
    COX-2-IN-30
  • HY-146259
    hCAIX/XII-IN-4
    		Inhibitor
    hCAIX/XII-IN-4 (compound 6c) is a potent CAIX/XII inhibitor with the Ki values of 4.5 nM, 23.6 nM, >10000 nM and >10000 nM for CAXII, CAIX, CAI and CAⅡ, respectively.
    hCAIX/XII-IN-4
  • HY-147955
    hCAI/II-IN-5
    		Inhibitor
    hCAI/II-IN-5 (compound MZ8) is a potent hCA I and hCA II (human carbonic anhydrase isoenzymes I and II) inhibitor, with IC50 values of 37.88 and 45.23 nM, respectively. hCAI/II-IN-5 also shows inhibition profile against α-Glycosidase and AChE, with IC50 values of 48.98 and 420.14 nM, respectively. hCAI/II-IN-5 can be used for the research of many diseases such as diabetes, Alzheimer’s disease, heart failure, ulcer, and epilepsy.
    hCAI/II-IN-5
  • HY-172103
    hCAI/II-IN-10
    		Inhibitor
    hCAI/II-IN-10 (Compound 5d) is a human carbonic anhydrase I and II (hCA I and hCA II) inhibitor with IC50 values are 4.32 and 3.89 nM respectively.
    hCAI/II-IN-10
  • HY-149329
    hCAIX/VII-IN-1
    		Inhibitor
    hCAIX/VII-IN-1 is a selective hCA VII/IX inhibitor. hCAIX/VII-IN-1 inhibit hCAⅠ, hCAⅡ, hCAⅣ, hCAⅦ and hCAⅨ with Ki values of 336.2 nM,185.8 nM, 1055 nM, 35.6 nM and 28.0 nM, respectively. hCAIX/VII-IN-1 can be used for the research of cancer and neurological diseases.
    hCAIX/VII-IN-1
  • HY-161295
    hCAIX/XII-IN-10
    		Inhibitor
    hCAIX/XII-IN-10 (compound DK-8) is a carbonic anhydrase inhibitor. hCAIX/XII-IN-10 has potent inhibitory activity against tumor-associated membrane-bound isoforms hCA IX and XII, with Ki values of 32.5 nM and 29.2 nM.
    hCAIX/XII-IN-10
  • HY-150975
    hCAII-IN-5
    		Inhibitor
    hCAII-IN-5 (compound 12h) is a potent and selective hCA II inhibitor with an IC50 value of 4.55 μM.
    hCAII-IN-5
  • HY-159568
    hCAIX-IN-22
    		Inhibitor
    hCAIX-IN-22 is a highly selective inhibitor of human carbonic anhydrase (hCA) isoform XII (Ki=9.7 nM) with anticancer activity.
    hCAIX-IN-22
  • HY-147662
    hCAIX-IN-5
    		Inhibitor
    hCAIX-IN-5 (compound 6b) is a potent and selective hCAIX inhibitor with KIs of >10000, >10000, 130.7, 829.1 nM for hCAI, hCAII, hCAIV, hCAIX, respectively.
    hCAIX-IN-5
  • HY-163116
    Anti-inflammatory agent 67
    		Inhibitor
    Anti-inflammatory agent 67 (compound 7a) is a dual inhibitor of carbonic anhydrase and COX-2, a sulfonamide derivative of Polmacoxib (HY-16726), and has anti-inflammatory properties and analgesic activity. Anti-inflammatory agent 67 has IC50s of 10.4 μM and 50 nM for COX-1 and COX-2, respectively. The Ki of anti-inflammatory agent 67 binding to different isoforms of carbonic anhydrase are 48.3 nM (CA I), 42.2 nM (CA II), 52.3 nM (CA IX), and 13.3 nM (CA XII).
    Anti-inflammatory agent 67
  • HY-144264
    hCAII-IN-6
    		Inhibitor
    hCAII-IN-6 (Compound S-13) is a potent human carbonic anhydrase II (hCA II) inhibitor with a Ki of 4.4 nM. hCAII-IN-6 also inhibits other hCAs isoforms I, IV and IX, with Ki values of 9.2 nM, 480.2 nM and 14.7 nM, respectively. hCAII-IN-6 can be used for glaucoma research.
    hCAII-IN-6
  • HY-168603
    AChE/CA I-IN-1
    		Inhibitor
    AChE/CA I-IN-1 (Compound 2g) is the inhibitor for AChE and hCA I with Ki of 1.85 and 0.53 µM. AChE/CA I-IN-1 exhibits potential application in researches about Alzheimer's disease, glaucoma, and epilepsy.
    AChE/CA I-IN-1
  • HY-146010
    Carbonic anhydrase inhibitor 13
    		Inhibitor
    Carbonic anhydrase inhibitor 13 (compound 7) is a potent carbonic anhydrase (CA) inhibitor, which features 3-methylthiazolo[3,2-a]benzimidazole moiety (as a tail) connected to the zinc anchoring benzenesulfonamide moiety via ureido linker.
    Carbonic anhydrase inhibitor 13
  • HY-B0588S
    Brinzolamide-d5
    		Inhibitor
    Brinzolamide-d5 is the deuterium labeled Brinzolamide. Brinzolamide (AL 4862) is a potent carbonic anhydrase II inhibitor with IC50 of 3.19 nM.
    Brinzolamide-d<sub>5</sub>
  • HY-159122
    CA IX-IN-2
    		Inhibitor
    CA IX-IN-2 (Compound 9o) is an inhibitor for carbonic anhydrase (CA), that inhibits CA IX, CA XII and CA II with an IC50 of 5.6, 7.4 and 430 nM, respectively. CA IX-IN-2 inhibits the proliferation of cancer cell HCT-116, SW480, MDA-MB 231 and MCF-7, with IC50s of 14.63-29.33 μM. CA IX-IN-2 intercalates DNA, arrests cell cycle at G1/S phase, and induces apoptosis in MDA-MB-231. CA IX-IN-2 affects the mitochondrial membrane potential (MMP), increases the intracellular ROS levels, causes mitochondrial damage, and inhibits the cell migration of MDA-MB-231. CA IX-IN-2 exhibits antitumor efficacy in mouse models.
    CA IX-IN-2
  • HY-161028
    Antibacterial agent 167
    		Inhibitor
    Antibacterial agent 167 (compound 13) is an inhibitor of pathogenic bacterial carbonic anhydrases. Antibacterial agent 167 inhibits the growth of N. gonorrhea strains at concentrations ranging from 16 to 64 µg/mL.
    Antibacterial agent 167
Cat. No. Product Name / Synonyms Species Source
Carbonic Anhydrase Isoform Comparison

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