hCAIX-IN-18 (compound 30) is an inhibitor of carbonic anhydrase (CA), with Kis of 3.5 nM, 9.4 nM, 43.0 nM and 8.2 nM for hCAI, hCAII, hCAIX, hCAXII, respectively. hCAIX-IN-18 can be used for cancer research[1].
hCAIX-IN-14 (compound 5a) is a potent inhibitor of human CA IX with a Ki value of 134.8 nM[1].
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[1].
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[1].
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[1].
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[1].
CAXII-IN-1 (Compound 17) is a selective CA XII inhibitor with Ki values of 3.8 nM and 56.0 nM against hCA XII and hCA IX, respectively. CAXII-IN-1 shows antitumor activity[1].
α-Glycosidase-IN-1 (compound MZ7) is a potent α-GLY (α-Glycosidase) inhibitor, with an IC50 of 44.72 nM and a KI of 41.74 nM. α-Glycosidase-IN-1 also shows inhibition profile against human carbonic anhydrase isoenzymes I and II (hCA I and hCA II), and acetylcholinesterase (AChE), with IC50 values of 104.87, 100.04, and 654.87 nM, respectively. α-Glycosidase-IN-1 can be used for the research of many diseases such as diabetes, Alzheimer’s disease, heart failure, ulcer, and epilepsy[1].
U-104 is a potent carbonic anhydrase (CA) inhibitor for CA IX and CA XII with Ki of 45.1 nM and 4.5 nM; low inhibition for CA I and CA II.IC50 value: 45.1 nM/4.5 nM(Ki, CA IX/CA XII) [1]Target: Carbonic anhydrase inhibitorin vitro: U-104 (50 μM) blocks the mesenchymal phenotype in the cancer stem cells population in hypoxia condition of 4T1 cells. U-104 (<50 μM) significantly reduces migration in a dose-dependent manner in metastatic MDA-MB-231 LM2-4Luc+ cells , with cells growing as compact colonies similar to parental MDA-MB-231 cells [2]. in vivo: U-104 (38 mg/kg) inhibits primary tumor growth in the mice implanted orthotopically with MDA-MB-231 LM2-4Luc+ cells. U-104 (19 mg/kg) inhibits metastases formation in the 4T1 experimental metastasis mice model [1]. U-104 (38 mg/kg) significantly delay primary tumor growth and reduces cancer stem cell population in NOD/SCID mice orthotopically implanted with MDA-MB-231 LM2-4Luc+ cells. U-104 (5 mg/mL, oral gavage) shows a significant delay in tumor growth in Balb/c mice orthotopically implanted with 4T1 cells [2].
hCAIX/XII-IN-8 (compound 3g) is a potent human (carbonic anhydrase) CA IX and XII inhibitor, with Ki values of 8.5 and 6.7 nM, respectively. hCAIX/XII-IN-8 shows particularly strong inhibitory activity against the tumor-associated membrane-bound isoforms, hCA IX and XII, while maintaining a high selectivity ratio over cytosolic off-target isoforms hCA I and II[1].
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[1].
hCAIX-IN-11 (Compound 5d) is a selective carbonic anhydrase IX and XII inhibitor with Ki s of 32.7 and 623.5 nM for hCA IX and hCA XII, respectively. hCA IX and hCA XII are transmembrane isoforms which have been characterized as biomarkers for several types of tumors. The hCA XII assists in maintenance of acid-base homoeostasis in normal as well as tumor cells[1].
Polmacoxib (CG100649) is a first-in-class, orally active nonsteroidal anti-inflammatory drug (NSAID) which is a dual inhibitor of COX-2 (IC50 around 0.1 μg/ml) and carbonic anhydrase[1]. Polmacoxib inhibits colorectal adenoma and tumor growth in mouse models[2].
WES-1 (Compound 8g) is an inhibitor of carbonic anhydrase IX (Ki: 55.9 μM). WES-1 has broad spectrum anti-proliferative activity against the cancer cells, such as leukemia (K-562 and MOLT-4), non-small cell lung cancer (NCI–H460), colon cancer (HCT 116 and HCT-15) and melanoma (LOX IMVI) cell lines[1].
Benzenesulphonamide (compound 1) is a potent carbonic anhydrase inhibitor. Benzenesulphonamide shows CA II inhibitory activity[1].
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[1].
hCAXII-IN-4 (compound 5j) is a potent and selective CA XII inhibitor with an Ki value of 6.4 nM for human CA XII[1].
Carbonic anhydrase inhibitor 14 (Compound 8b) is a carbonic anhydrase (CA) inhibitor with Ki values of 1203, 99.7, 9.4 and 27.7 nM against hCA I, hCA II, hCA IX and hCA XII, respectively. Carbonic anhydrase inhibitor 14 can also inhibit CDK2 with an IC50 of 20.3 μM. Carbonic anhydrase inhibitor 14 shows antitumor activity[1].
Benzthiazide is a long-acting diuretic[1] and a hypertension agent. Benzthiazide is an inhibitor of carbonic anhydrase 9 (CA9), with Kis of 8.0, 8.8 and 10 nM for CA9, CA2 and CA1, respectively. Benzthiazide also suppresses proliferation of cancer cells[2].
hCAXII-IN-5 (compound 6o) is a potent and selective hCAXII inhibitor with Ki values of >10000, >10000, 286.1, 1.0 nM for hCAI, hCAII, hCAIX and hCAXII, respectively[1].
hCA I-IN-2 (Compound 6d) is a selective human carbonic anhydrase I (hCA I) inhibitor with Ki values of 18.8, 375.1, 1721 and 283.9 nM against hCA I, hCA II, hCAIX and hCAXII, respectively[1].
CDK2-IN-12 (compound 10b) is a potent CDK2 inhibitor, with an IC50 of 11.6 μM. CDK2-IN-12 inhibits hCA (carbonic anhydrase) isoforms I, II, IX and XII, with KI values of 3534, 638.4, 44.3, and 48.8 nM. CDK2-IN-12 shows anticancer activity[1].
hCAII-IN-3 (compound 7e) is a potent and selective inhibitor of carbonic anhydrase (CA II/IX) with Kis of 124.2 and 30.5 nM, respectively. hCAII-IN-3 has the potential for the research of cancer diseases[1].
hCAXII-IN-3 (Compound 6o) is a selective human carbonic anhydrase XII (hCAXII) inhibitor with a Ki of 10.0 nM[1].
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[1].
hCAIX/XII-IN-3 (compound 6q) is a potent and selective hCAIX and hCAXIIinhibitor with Ki values of >10000, >10000, 66.2, 4.4 nM for hCAI, hCAII, hCAIX and hCAXII, respectively[1].
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[1].
Halazone is an atypical antimicrobial sulfonamide derivative and a carbonic anhydrase II inhibitor with a Kd value of 1.45 µM. Halazone protects sodium channels from inactivation. Halazone is widely used for disinfection of drinking water[1][2].
hCAIX-IN-10 (Compound 6i) is a selective carbonic anhydrase IX and XII inhibitor with Ki s of 61.5 and 586.8 nM for hCA IX and hCA XII, respectively. hCA IX and hCA XII are transmembrane isoforms which have been characterized as biomarkers for several types of tumors. The hCA XII assists in maintenance of acid-base homoeostasis in normal as well as tumor cells[1].