Cyclooxygenase (COX), officially known as prostaglandin-endoperoxide synthase (PTGS), is an enzyme that is responsible for formation of important biological mediators called prostanoids, including prostaglandins, prostacyclin and thromboxane. Pharmacological inhibition of COX can provide relief from the symptoms of inflammation and pain. Drugs, like Aspirin, that inhibit cyclooxygenase activity have been available to the public for about 100 years. Two cyclooxygenase isoforms have been identified and are referred to as COX-1 and COX-2. Under many circumstances the COX-1 enzyme is produced constitutively (i.e., gastric mucosa) whereas COX-2 is inducible (i.e., sites of inflammation). Non-steroidal anti-inflammatory drugs (NSAID), such as aspirin and ibuprofen, exert their effects through inhibition of COX. The main COX inhibitors are the non-steroidal anti-inflammatory drugs (NSAIDs).


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Ketoprofen lysinate

Ketoprofen (RP-19583) lysinate is a non-steroidal anti-inflammatory agent. Ketoprofen lysinate can inhibit the activity of cyclooxygenase with IC50 values of 2 nM (COX-1) and 26 nM (COX-2). which is potential in the research of inflammation, immunology, and metabolic disease such as obesity[1][2][3].

  • CAS Number: 57469-78-0
  • MF: C22H28N2O5
  • MW: 400.46800
  • Catalog: COX
  • Density: 1.198g/cm3
  • Boiling Point: 431.3ºC at 760mmHg
  • Melting Point: N/A
  • Flash Point: 228.8ºC

Esculentoside A

Esculentoside A (EsA), a kind of triterpene saponin isolated from roots of Phytolacca esculenta[1].Esculentoside A (EsA) possesses anti-inflammatory activity in acute and chronic experimental models[2], has selective inhibitory activity towards cyclooxygenase-2 (COX-2)[1].Esculentoside A (EsA) suppresses inflammatory responses in LPS-induced acute lung injury (ALI) through inhibition of the nuclear factor kappa B (NF-ΚB) and mitogen activated protein kinase (MAPK) signaling pathways[3].

  • CAS Number: 65497-07-6
  • MF: C42H66O16
  • MW: 826.964
  • Catalog: COX
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 935.8±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 275.1±27.8 °C

Veratric acid-d6

Veratric acid-d6 is deuterium labeled Veratric acid. Veratric acid (3,4-Dimethoxybenzoic acid) is an orally active phenolic compound derived from vegetables and fruits, has antioxidant[1] and anti-inflammatory activities[3]. Veratric acid also acts as a protective agent against hypertension-associated cardiovascular remodelling[2]. Veratric acid reduces upregulated COX-2 expression, and levels of PGE2, IL-6 after UVB irradiation[3].

  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 302.9±22.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 120.9±15.8 °C

Byakangelicol

Byakangelicol, isolated from Angelica dahurica, inhibits interleukin-1beta (IL-1beta) -induced prostaglandin E2 (PGE2) release in A549 cells mediated by suppression of cyclooxygenase-2 (COX-2) expression and the activity of COX-2 enzyme. Byakangelicol has therapeutic potential as an anti-inflammatory drug on airway inflammation[1].

  • CAS Number: 26091-79-2
  • MF: C17H16O6
  • MW: 316.305
  • Catalog: COX
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 503.4±50.0 °C at 760 mmHg
  • Melting Point: 106℃
  • Flash Point: 258.3±30.1 °C

Ibuprofen-13C,d3

Ibuprofen-13C,d3 is the 13C- and deuterium labeled. Ibuprofen is an anti-inflammatory agent targeting COX-1 and COX-2 with IC50s of 13 μM and 370 μM, respectively.

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Ibuprofen Lysine

Ibuprofen ((±)-Ibuprofen) L-lysine is a potent orally active, selective COX-1 inhibitor with an IC50 value of 13 μM. Ibuprofen L-lysine inhibits cell proliferation, angiogenesis, and induces cell apoptosis. Ibuprofen L-lysine is a nonsteroidal anti-inflammatory agent and a nitric oxide (NO) donor. Ibuprofen L-lysine can be used in the research of pain, swelling, inflammation, infection, immunology, cancers[1][2][3][4][5][6][7][8].

  • CAS Number: 57469-77-9
  • MF: C19H30N2O3
  • MW: 352.468
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: 319.6ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: N/A

NCX-4016

Nitroaspirin (NCX 4016) is a nitric oxide (NO) donor and a nitro-derivative of Aspirin, which combines with Nitroaspirin to inhibit cyclooxygenase. Nitroaspirin (NCX 4016) has antithrombotic and anti-platelet properties and acts as a direct and irreversible inhibitor of COX-1. Nitroaspirin (NCX 4016) causes significant induction of cell cycle arrest and apoptosis in Cisplatin-resistant human ovarian cancer cells via down-regulation of EGFR/PI3K/STAT3 signaling and modulation of Bcl-2 family proteins[1][2][3][4].

  • CAS Number: 175033-36-0
  • MF: C16H13NO7
  • MW: 331.27700
  • Catalog: Apoptosis
  • Density: 1.347g/cm3
  • Boiling Point: 499.3ºC at 760mmHg
  • Melting Point: 61-62ºC
  • Flash Point: 214.3ºC

Taraxeryl acetate

Taraxerol acetate is a COX-1 and COX-2 inhibitor with IC50 values of 116.3 μM and 94.7 μM, respectively. Taraxerol acetate the has the anticancer potential and induces cell apoptosis[1].

  • CAS Number: 2189-80-2
  • MF: C32H52O2
  • MW: 468.754
  • Catalog: Apoptosis
  • Density: 1.0±0.1 g/cm3
  • Boiling Point: 505.1±49.0 °C at 760 mmHg
  • Melting Point: 303-305ºC
  • Flash Point: 256.2±17.4 °C

Ubiquinone Q0

Coenzyme Q0 (CoQ0) is a potent, oral active ubiquinone compound can be derived from Antrodia cinnamomea. Coenzyme Q0 induces apoptosis and autophagy, suppresses of HER-2/AKT/mTOR signaling to potentiate the apoptosis and autophagy mechanisms. Coenzyme Q0 regulates NFκB/AP-1 activation and enhances Nrf2 stabilization in attenuation of inflammation and redox imbalance. Coenzyme Q0 has anti-angiogenic activity through downregulation of MMP-9/NF-κB and upregulation of HO-1 signaling[1][2][3].

  • CAS Number: 605-94-7
  • MF: C9H10O4
  • MW: 182.173
  • Catalog: Apoptosis
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 331.4±42.0 °C at 760 mmHg
  • Melting Point: 58-60 °C(lit.)
  • Flash Point: 148.6±27.9 °C

Salicylic acid

Salicylic acid inhibits cyclo-oxygenase-2 (COX-2) activity independently of transcription factor (NF-κB) activation.

  • CAS Number: 69-72-7
  • MF: C7H6O3
  • MW: 138.121
  • Catalog: Autophagy
  • Density: 1.44
  • Boiling Point: 211 ºC (20 mmHg)
  • Melting Point: 158-161 °C(lit.)
  • Flash Point: 157 ºC

INDOMETHACIN SODIUM

Indomethacin (Indometacin) sodium is a potent, orally active COX1/2 inhibitor with IC50 values of 18 nM and 26 nM for COX-1 and COX-2, respectively. Indomethacin sodium has anticancer activity and anti-infective activity. Indomethacin sodium can be used for cancer, inflammation and viral infection research.[1][2][3].

  • CAS Number: 7681-54-1
  • MF: C19H15ClNNaO4
  • MW: 379.770
  • Catalog: Influenza Virus
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: 162ºC
  • Flash Point: N/A

(S)-Ketoprofen trometamol

Dexketoprofen trometamol (Dexketoprofen tromethamine salt) is an orally active non-selective COX inhibitor. Dexketoprofen trometamol has a pain-relieving effect[1].

  • CAS Number: 156604-79-4
  • MF: C20H25NO6
  • MW: 375.42
  • Catalog: COX
  • Density: N/A
  • Boiling Point: 431.3ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 228.8ºC

Phenidone

Phenidone, an orally active dual inhibitor of cyclooxygenase (COX) and lipoxygenase (LOX), ameliorates rat paralysis in experimental autoimmune encephalomyelitis. Phenidone is a potent hypotensive agent in the spontaneously hypertensive rat[1][2]. Phenidone is used as a photographic developer[3].

  • CAS Number: 92-43-3
  • MF: C9H10N2O
  • MW: 162.189
  • Catalog: COX
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 304.1±25.0 °C at 760 mmHg
  • Melting Point: 119-121 °C(lit.)
  • Flash Point: 137.7±23.2 °C

2-[2-methyl-d3-3-(trifluoromethyl)phenylamino]nicotinic acid

Flunixin-d3 is the deuterium labeled Flunixin. Flunixin Meglumine is a potent inhibitor of COX used as analgesic agent with anti-inflammatory and antipyretic activity[1][2].

  • CAS Number: 1015856-60-6
  • MF: C14H8D3F3N2O2
  • MW: 299.26300
  • Catalog: COX
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: 224-2260C
  • Flash Point: N/A

Ibuprofen

Ibuprofen is an anti-inflammatory inhibitor targeting COX-1 and COX-2 with IC50 of 13 μM and 370 μM, respectively.

  • CAS Number: 15687-27-1
  • MF: C13H18O2
  • MW: 206.281
  • Catalog: COX
  • Density: 1.0±0.1 g/cm3
  • Boiling Point: 319.6±11.0 °C at 760 mmHg
  • Melting Point: 77-78 °C(lit.)
  • Flash Point: 216.7±14.4 °C

Losartan Carboxaldehyde

EXP3179 is an important intermediate aldehyde metabolite of Losartan. EXP3179 has no AT1-R–blocking activity, but potently inhibits the expression of endothelial cyclooxygenase (COX)-2. EXP3179 exerts potent anti-inflammatory actions[1].

  • CAS Number: 114798-36-6
  • MF: C22H21ClN6O
  • MW: 420.895
  • Catalog: COX
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 666.7±65.0 °C at 760 mmHg
  • Melting Point: 84-86 °C
  • Flash Point: 357.0±34.3 °C

Polmacoxib

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].

  • CAS Number: 301692-76-2
  • MF: C18H16FNO4S
  • MW: 361.38700
  • Catalog: COX
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Regaloside B

Regaloside B is a phenylpropanoid isolated from Lilium longiflorum. Regaloside B can inhibit the expression of iNOS and COX-2, has anti-inflammatory activity[1][2].

  • CAS Number: 114420-67-6
  • MF: C20H26O11
  • MW: 442.41400
  • Catalog: COX
  • Density: 1.46g/cm3
  • Boiling Point: 727.5ºC at 760mmHg
  • Melting Point: N/A
  • Flash Point: 253.8ºC

Chlorotrianisene

Chlorotrianisene is a long-acting non-steroidal estrogen and an orally active estrogen receptor modulator. Chlorotrianisene exhibits antiestrogenic activity. Chlorotrianisene potently inhibits the enzyme COX-1 and inhibits platelet aggregation in whole blood[1][2][3].

  • CAS Number: 569-57-3
  • MF: C23H21ClO3
  • MW: 380.86400
  • Catalog: COX
  • Density: 1.168g/cm3
  • Boiling Point: 514.2ºC at 760mmHg
  • Melting Point: 114-116ºC
  • Flash Point: 164.1ºC

Propacetamol

Propacetamol is a water-soluble acetaminophen precursor drug, which can be administered via non intestinal route. It is an analgesic used to treat postoperative pain, acute trauma and gastrointestinal disorders[1].

  • CAS Number: 66532-85-2
  • MF: C14H20N2O3
  • MW: 264.32
  • Catalog: COX
  • Density: 1.132 g/cm3
  • Boiling Point: 434.5ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 216.6ºC

Indomethacin-D4

Indomethacin-D4 (Indometacin-D4) is a deuterium labeled Indomethacin. Indomethacin is a potent and nonselective inhibitor of COX1 and COX2, with IC50s of 18 nM and 26 nM for human COX-1 and COX-2, respectively, in CHO cells[1].

  • CAS Number: 87377-08-0
  • MF: C19H12D4ClNO4
  • MW: 361.81200
  • Catalog: Autophagy
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tolmetin-d3

Tolmetin-d3 is the deuterium labeled Tolmetin. Tolmetin is an orally active and potent COX inhibitor with IC50s of 0.35 µM and 0.82 µM human COX-1 and COX-2, respectively. Tolmetin is a non-steroidal anti-inflammatory drug (NSAID)[1][2].

  • CAS Number: 1184998-16-0
  • MF: C15H12D3NO3
  • MW: 260.30300
  • Catalog: COX
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

COX-2/15-LOX-IN-1

COX-2/15-LOX-IN-1 (Compound 14) is a COX-2 and 15-lipoxygenase enzyme (15-LOX) inhibitor with IC50 values of 10.65, 0.075 and 2.98 μM against COX-1, COX-2 and 15-LOX, respectively. COX-2/15-LOX-IN-1 shows anti-inflammatory activity[1].

  • CAS Number: 2413565-15-6
  • MF: C21H21N7S3
  • MW: 467.63
  • Catalog: COX
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Coronarin D methyl ether

Methoxycoronarin D can be isolated from Hedychium coronarium J. Koenig and is a potent inhibitor of NF-魏B with an IC50 value of 7.3 渭M. Methoxycoronarin D is also a selective inhibitor of COX-1 with an IC50 value of 0.9 渭M[1].

  • CAS Number: 157528-81-9
  • MF: C21H32O3
  • MW: 332.48
  • Catalog: COX
  • Density: 1.0±0.1 g/cm3
  • Boiling Point: 447.8±45.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 191.7±23.3 °C

TolfenaMic acid-13C6

Tolfenamic acid-13C6 is the 13C6 labeled Tolfenamic acid. Tolfenamic Acid (GEA 6414) is a non-steroidal anti-inflammatory and anti-cancer agent, selectively inhibits COX-2, with an IC50 of 13.49 μM (3.53 μg/mL) in LPS-treated (COX-2) canine DH82 monocyte/macrophage cells, but shows no effect on COX-1.

  • CAS Number: 1420043-61-3
  • MF: C813C6H12ClNO2
  • MW: 267.659
  • Catalog: COX
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

2-Hydroxybenzoic acid (phenyl-13C6)

Salicylic acid-13C6 is the 13C-labeled Salicylic acid (HY-B0167). Salicylic acid is a precursor to and a metabolite of Aspirin (HY-14654), can inhibit cyclo-oxygenase-2 (COX-2) activity[1][2].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tiaprofenic Acid

Tiaprofenic acid is an orally active nonsteroidal anti-inflammatory drug (NSAID) with anti-inflammatory and analgesic potency. Tiaprofenic acid inhibits prostaglandin synthesis by suppressing cyclo-oxygenase (COX). Tiaprofenic acid can be used in the treatment of rheumatic diseases[1].

  • CAS Number: 33005-95-7
  • MF: C14H12O3S
  • MW: 260.30800
  • Catalog: COX
  • Density: 1.29 g/cm3
  • Boiling Point: 450.3ºC at 760 mmHg
  • Melting Point: 96° (isopropyl ether)
  • Flash Point: 226.1ºC

Teriflunomide impurity 3

Teriflunomide impurity 3 (4-Amino-N-(4-trifluoromethylphenyl)benzamide) is a selective COX-1 inhibitor with an IC50 of 30 µM. Teriflunomide impurity 3 is less active against COX-2 (IC50>100 µM)[1].

  • CAS Number: 1011244-72-6
  • MF: C14H11F3N2O
  • MW: 280.245
  • Catalog: COX
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 327.6±42.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 151.9±27.9 °C

COX-2-IN-32

COX-2-IN-32 (Compound 2f) is an iNOS and COX-2 inhibitor. COX-2-IN-32 decreases the expression of NF-κB. COX-2-IN-32 has anti-inflammatory activity by inhibits NO production in LPS-induced RAW264.7 macrophages (IC50: 11.2 μM)[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

tolmetin sodium

Tolmetin sodium is an orally active and potent COX inhibitor with IC50s of 0.35 µM and 0.82 µM human COX-1 and COX-2, respectively. Tolmetin sodium is a non-steroidal anti-inflammatory drug (NSAID)[1][2].

  • CAS Number: 35711-34-3
  • MF: C15H14NNaO3
  • MW: 279.26600
  • Catalog: COX
  • Density: 1.18g/cm3
  • Boiling Point: 483.2ºC at 760 mmHg
  • Melting Point: 155-157ºC (DECOMPOSES)
  • Flash Point: 246ºC