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-150572
    CDK2-IN-11
    		Inhibitor
    CDK2-IN-11 (compound 9d) is a potent CDK2 inhibitor with an IC50 of 6.4 μM, and KI values of 23.4 nM, 56.3 nM and 44.3 nM for hCA II, hCA IX and hCA XII, respectively. CDK2-IN-11 can be used for researching anticancer.
    CDK2-IN-11
  • HY-W424792A
    O-Desmethyl Brinzolamide hydrochloride
    		Inhibitor
    O-Desmethyl Brinzolamide hydrochloride (compound 6a), an active metabolite of Brinzolamide, is a carbonic anhydrase (CA) inhibitor with a Kd of 0.136 nM for CA II and an IC50 of 165 nM for CA IV.
    O-Desmethyl Brinzolamide hydrochloride
  • HY-158372
    hCA I-IN-3
    		Inhibitor
    hCA I-IN-3 (compound 24), an aryl ether derivative, is a potent carbonic anhydrase inhibitor. hCA I-IN-3 can inhibit carbonic anhydrase hCA I and hCA II isoenzymes, with IC50 values of 4.77 and 9.66 nM, respectively. hCA I-IN-3 can be used for cancer research.
    hCA I-IN-3
  • HY-137364
    Disulfamide
    		Inhibitor
    Disulfamide, an orally active diuretic, is a carbonic anhydrase inhibitor with the IC50 value of 0.07 μM. Disulfamide leads to diuresis by inhibiting carbonic anhydrase and preventing the reabsorption of sodium and bicarbonate in the proximal tubule.
    Disulfamide
  • HY-168856
    hCAII/XII-IN-1
    		Inhibitor
    hCAII/XII-IN-1 (compound 4l) is a potent inhibitor of hCAXII and hCAII, with Kis of 8.4 and 9.4 nM, respectively. hCAXII-IN-11 plays an important role in cancer research.
    hCAII/XII-IN-1
  • HY-147829
    hCAXII-IN-2
    		Inhibitor
    hCAXII-IN-2 (compound 5i) is a potent human carbonic anhydrase XII (hCA XII) and hCA IX inhibitor with Ki values of 84.2 nM and 268.5 nM, respectively. hCAXII-IN-2 shows less active against hCA I and hCA II.
    hCAXII-IN-2
  • HY-119919
    Clofenamide
    		Inhibitor
    Clofenamide (Aquedux) is a carbonic anhydrase (CA) inhibitor. Clofenamide exhibits diuretic activity.
    Clofenamide
  • HY-179022
    CAIX/CDK-2-IN-1
    		Inhibitor
    CAIX/CDK-2-IN-1 is a dual-acting inhibitor of carbonic anhydrase IX (CA IX) and cyclin-dependent kinase-2 (CDK-2) with IC50 values of 0.29 μM and 0.32 μM. The zein nanoparticls of CAIX/CDK-2-IN-1 can induce cancer cells apoptosis. CAIX/CDK-2-IN-1 can be used for the research of cancer, such as ling cancer.
    CAIX/CDK-2-IN-1
  • HY-113719
    VM4-037
    VM4-037 can be used for the synthesis of VM4-037(18F). VM4-037(18F) is a fluorinated PET imaging agent for carbonic anhydrase IX.
    VM4-037
  • HY-D2345
    GZ22-4
    GZ22-4 is a near-infrared (NIR) fluorescent probe. GZ22-4 shows high affinity for carbonic anhydrase IX (CAIX), with a Kd of 0.2 nM. GZ22-4 can be used for the research of visualize CAIX-positive tumors.
    GZ22-4
  • HY-169283
    α-Glycosidase-IN-2
    		Inhibitor
    α-Glycosidase-IN-2 (compound 8b) is a α-Glycosidase inhibitor with the Ki values of 74.16 nM and 6.09 nM for aldose reductase and α-glycosidase,respectively. α-Glycosidase-IN-2 can be used for study of diabetes mellitus.
    α-Glycosidase-IN-2
  • HY-151578
    DPP IV/hCA II-IN-1
    		Inhibitor
    DPP IV/hCA II-IN-1 is a potent and selective dipeptidyl peptidase IV (DPP IV) and carbonic anhydrase (CA) inhibitor with an IC50 value of 0.049 μM for DPP IV and with Ki values of 0.0361, 0.0428, 0.0941, 0.1328, 0.2615, and 3.034 μM for CA II, CA VB, CA VA, CA IX, CA I, and CA IV, respectively.
    DPP IV/hCA II-IN-1
  • HY-175847
    hCA-I/hCA-II-IN-2
    		Inhibitor
    hCA-I/ HCA-II-IN-2 (compound 5 k) is an effective inhibitor of human carbonic anhydrase I (hCA-I) and II (hCA-II). The IC50 for hCA I and hCA II are 89.25 and 54.50 nM respectively.
    hCA-I/hCA-II-IN-2
  • HY-151495
    CAII-IN-3
    		Inhibitor
    CAII-IN-3 (compound 3h), a thiosemicarbazones derivatives, is a potent carbonic anhydrase-II (CA-II) inhibitor with an IC50 value of 13.4 µM.
    CAII-IN-3
  • HY-163117
    Anti-inflammatory agent 68
    		Inhibitor
    Anti-inflammatory agent 68 (compound 7b) is a dual inhibitor of carbonic anhydrase and COX-2, a sulfonamide derivative of Polmacoxib (HY-16726), with anti-inflammatory properties and analgesic activity. Anti-inflammatory agent 68 has IC50s of 12.6 μM and 60 nM for COX-1 and COX-2, respectively. The Ki of anti-inflammatory agent 68 binding to different isoforms of carbonic anhydrase are 52.6 nM (CA I), 79.1 nM (CA II), 58.1 nM (CA IX), and 17.2 nM (CA XII).
    Anti-inflammatory agent 68
  • HY-W306065
    hCAI/II/XII-IN-1
    		Inhibitor
    hCAI/II/XII-IN-1 (compound 7) is a human carbonic anhydrase hCAI/II/XII inhibitor, with Ki values of 78.5, 9.1, 605, 7.7 and 3.7 nM.
    hCAI/II/XII-IN-1
  • HY-169214
    AV22-149
    		Inhibitor
    AV22-149 (compund 22) is an inhibitor of carbonic anhydrase IX.
    AV22-149
  • HY-155763
    hCA/VEGFR-2-IN-4
    		Inhibitor
    hCA/VEGFR-2-IN-4 (compound 15b) is an indolinylbenzenesulfonamide and a potential dual inhibitor of cancer-associated hCA IX/XII and VEGFR-2. hCA/VEGFR-2-IN-4 inhibits VEGFR-2 (IC50=0.811 μM) and has high binding activity to hCAs, with Ki of 3.8 nM (hCA XII), 6.2 nM (hCA IX), 19.8 nM (hCA II), and 35.5 nM (hCA I), respectively. hCA/VEGFR-2-IN-4 has antiproliferative activity on VEGFR-2-overexpressing breast cancer cells.
    hCA/VEGFR-2-IN-4
  • HY-W074975R
    CL 5343 (Standard)
    		Inhibitor
    CL 5343 (Standard) is the analytical standard of CL 5343. This product is intended for research and analytical applications. CL 5343 (5-Amino-1,3,4-thiadiazole-2-sulfonamide) is an inhibitor of human carbonic anhydrase B (HCA-B). CL 5343 can serve as a CA9 ligand to achieve the targeted delivery of maytansinoid to the cell membrane of SKRC52 renal cancer cells.
    CL 5343 (Standard)
  • HY-115999
    Carbonic anhydrase inhibitor 12
    		Inhibitor
    Carbonic anhydrase inhibitor 12 is a potent CA II inhibitor, also has inhibitory activity in CA I (Kis of 1.72 and 271 nM in CA II and CA I, respectively). Carbonic anhydrase inhibitor 12 has potent anticancer activity against different cancer cell lines.
    Carbonic anhydrase inhibitor 12
Cat. No. Product Name / Synonyms Species Source
Carbonic Anhydrase Isoform Comparison

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