COMT
Browse by type, application, or key specifications such as purity, grade, packaging, and handling requirements.
39 products
Popular Products
- Opicapone, Catechol O-methyltransferase inhibitorCAS: 923287-50-7 Formula: C15H10Cl2N4O6 Molecular Weight: 413.17Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%● In Stock — US warehouse, ships to EU* Item #: O356703View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5-[3-(2,5-dichloro-4,6-dimethyl-1-oxidopyridin-1-ium-3-yl)-1,2,4-oxadiazol-5-yl]-3-nitrobenzene-1,2-diol
- SMILES
- CC1=C(C(=[N+](C(=C1Cl)C)[O-])Cl)C2=NOC(=N2)C3=CC(=C(C(=C3)O)O)[N+](=O)[O-]
- InChIKey
- ASOADIZOVZTJSR-UHFFFAOYSA-N
- InChI
- 1S/C15H10Cl2N4O6/c1-5-10(13(17)20(24)6(2)11(5)16)14-18-15(27-19-14)7-3-8(21(25)26)12(23)9(22)4-7/h3-4,22-23H,1-2H3
- Synonyms
- 5-[3-(2,5-dichloro-4,6-dimethyl-1-oxidopyridin-1-ium-3-yl)-1,2,4-oxadiazol-5-yl]-3-nitrobenzene-1,2-diol | compound 3...
- Entacapone, Catechol O-methyltransferase inhibitorSolid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%● In Stock — US warehouse, ships to EU* Item #: E125270View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide
- SMILES
- CCN(CC)C(=O)C(=CC1=CC(=C(C(=C1)O)O)[N+](=O)[O-])C#N
- InChIKey
- JRURYQJSLYLRLN-BJMVGYQFSA-N
- InChI
- 1S/C14H15N3O5/c1-3-16(4-2)14(20)10(8-15)5-9-6-11(17(21)22)13(19)12(18)7-9/h5-7,18-19H,3-4H2,1-2H3/b10-5+
- Synonyms
- (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 2-Cyano-N,N-diethyl-3-(3,4-dihydroxy-5-nitro...
- Flopropione● In Stock — US warehouse, ships to EU* Item #: F129636View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-(2,4,6-trihydroxyphenyl)propan-1-one
- SMILES
- CCC(=O)C1=C(C=C(C=C1O)O)O
- InChIKey
- PTHLEKANMPKYDB-UHFFFAOYSA-N
- InChI
- 1S/C9H10O4/c1-2-6(11)9-7(12)3-5(10)4-8(9)13/h3-4,10,12-13H,2H2,1H3
- Synonyms
- 13907 R.P. | FLOPROPIONE [INN] | propanoyl-phloroglucinol | Labrodax | 05V5NVB5Y1 | KBio2_001043 | Pharmakon1600-0150...
- U-0521● In Stock — US warehouse, ships to EU* Item #: U344159View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 1-(3,4-dihydroxyphenyl)-2-methylpropan-1-one
- SMILES
- CC(C)C(=O)C1=CC(=C(C=C1)O)O
- InChIKey
- VDQLKIBLTMPAHI-UHFFFAOYSA-N
- InChI
- 1S/C10H12O3/c1-6(2)10(13)7-3-4-8(11)9(12)5-7/h3-6,11-12H,1-2H3
- Synonyms
- 3',4'-Dihydroxyisobutyrophenone | U 0521 | NSC 27389 | HMS2765J17 | MLS000738074 | 1-(3,4-Dihydroxy-phenyl)-2-methyl-...
- 5-Hydroxytryptamine, Agonist of 5-HT 1A receptor;Agonist of 5-HT 1B receptor;Agonist of 5-HT 1D receptor;Agonist of 5-ht 1e receptor;Agonist of 5-HT 1F receptor;Agonist of 5-HT 2A receptor;Agonist of 5-HT 2B receptor;Agonist of 5-HT 2C receptor;Agonist of 5-HT 3A;Agonist of 5Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)◐ .Made to order · 8–12 wks Item #: H303833View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-(2-aminoethyl)-1H-indol-5-ol
- SMILES
- C1=CC2=C(C=C1O)C(=CN2)CCN
- InChIKey
- QZAYGJVTTNCVMB-UHFFFAOYSA-N
- InChI
- 1S/C10H12N2O/c11-4-3-7-6-12-10-2-1-8(13)5-9(7)10/h1-2,5-6,12-13H,3-4,11H2
- Synonyms
- 5-HT | 3-(b-Aminoethyl)-5-hydroxyindole | 5 Hydroxytryptamine | Serotonin | 3-(.beta.-Aminoethyl)-5-hydroxyindole | 3...
- Rosmarinic acidCAS: 20283-92-5 EC Number: 606-487-1 PubChem CID: 5281792 Formula: C18H16O8 Molecular Weight: 360.31Solid ≥97%● In Stock — US warehouse, ships to EU* Item #: R109805View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid
- SMILES
- OC(=O)[C@@H](Cc1ccc(O)c(O)c1)OC(=O)\C=C\c2ccc(O)c(O)c2
- InChIKey
- DOUMFZQKYFQNTF-WUTVXBCWSA-N
- InChI
- 1S/C18H16O8/c19-12-4-1-10(7-14(12)21)3-6-17(23)26-16(18(24)25)9-11-2-5-13(20)15(22)8-11/h1-8,16,19-22H,9H2,(H,24,25)/b6-3+/t16-/m1/s1
- Synonyms
- (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid | (2R)-3-(3,4-dihydroxyphen...
- Rosmarinic acidCAS: 20283-92-5 EC Number: 606-487-1 PubChem CID: 5281792 Formula: C18H16O8 Molecular Weight: 360.31Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. ≥97%● In Stock — US warehouse, ships to EU* Item #: R109804View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid
- SMILES
- OC(=O)[C@@H](Cc1ccc(O)c(O)c1)OC(=O)\C=C\c2ccc(O)c(O)c2
- InChIKey
- DOUMFZQKYFQNTF-WUTVXBCWSA-N
- InChI
- 1S/C18H16O8/c19-12-4-1-10(7-14(12)21)3-6-17(23)26-16(18(24)25)9-11-2-5-13(20)15(22)8-11/h1-8,16,19-22H,9H2,(H,24,25)/b6-3+/t16-/m1/s1
- Synonyms
- (2R)-3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid | (2R)-3-(3,4-dihydroxyphen...
- Serotonin hydrochlorideCAS: 153-98-0 EC Number: 628-480-2 PubChem CID: 160436 Formula: C10H12N2O·HCl Molecular Weight: 212.68Solid AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.● In Stock — US warehouse, ships to EU* Item #: S111161View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3-(2-aminoethyl)-1H-indol-5-ol;hydrochloride
- SMILES
- C1=CC2=C(C=C1O)C(=CN2)CCN.Cl
- InChIKey
- MDIGAZPGKJFIAH-UHFFFAOYSA-N
- InChI
- 1S/C10H12N2O.ClH/c11-4-3-7-6-12-10-2-1-8(13)5-9(7)10;/h1-2,5-6,12-13H,3-4,11H2;1H
- Synonyms
- 5-HT hydrochloride | CHEBI:181195 | SR-01000075577-1 | 5-HT HCl | 5-hydroxy tryptamine hydrochloride | A809482 | MFCD...
- Tolcapone, Catechol O-methyltransferase inhibitorCAS: 134308-13-7 EC Number: 694-343-9 PubChem CID: 4659569 Formula: C14H11NO5 Molecular Weight: 273.24Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%● In Stock — US warehouse, ships to EU* Item #: T125285View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (3,4-dihydroxy-5-nitrophenyl)-(4-methylphenyl)methanone
- SMILES
- CC1=CC=C(C=C1)C(=O)C2=CC(=C(C(=C2)O)O)[N+](=O)[O-]
- InChIKey
- MIQPIUSUKVNLNT-UHFFFAOYSA-N
- InChI
- 1S/C14H11NO5/c1-8-2-4-9(5-3-8)13(17)10-6-11(15(19)20)14(18)12(16)7-10/h2-7,16,18H,1H3
- Synonyms
- NCGC00181767-02 | 5-[(4-METHYLPHENYL)CARBONYL]-3-NITROBENZENE-1,2-DIOL | C07949 | TOLCAPONE (USP MONOGRAPH) | N04BX01...
- OR-486● In Stock — US warehouse, ships to EU* Item #: O287664View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 3,5-dinitrobenzene-1,2-diol
- SMILES
- C1=C(C=C(C(=C1[N+](=O)[O-])O)O)[N+](=O)[O-]
- InChIKey
- VDCDWNDTNSWDFJ-UHFFFAOYSA-N
- InChI
- 1S/C6H4N2O6/c9-5-2-3(7(11)12)1-4(6(5)10)8(13)14/h1-2,9-10H
- Synonyms
- 3,5-Dinitropyrocatechol | HMS3372N08 | SMR000326837 | OR486 | OR-486 | NCGC00261162-01 | KBio2_003235 | NCGC00015309-...
- (4-Hydroxy-3-methoxy-5-nitrophenyl)(p-tolyl)methanoneCAS: 134612-80-9 Formula: C15H13NO5 Molecular Weight: 287.27◐ .Made to order · 8–12 wks Item #: H190633View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- (4-hydroxy-3-methoxy-5-nitrophenyl)-(4-methylphenyl)methanone
- SMILES
- CC1=CC=C(C=C1)C(=O)C2=CC(=C(C(=C2)OC)O)[N+](=O)[O-]
- InChIKey
- VCNSNEJUGBEWTA-UHFFFAOYSA-N
- InChI
- 1S/C15H13NO5/c1-9-3-5-10(6-4-9)14(17)11-7-12(16(19)20)15(18)13(8-11)21-2/h3-8,18H,1-2H3
- Synonyms
- AKOS025146460 | HY-100642 | FT-0672265 | UNII-F90Q84HN93 | 4-Hydroxy-3-methoxy-4'-methyl-5-nitrobenzophenone | C72371...
- (-)-Gallocatechin gallate (GCG)Solid Analytical standard ? Analytical standard — certified-purity material for quantitative calibration. Use to prepare calibration standards and validate analytical methods. Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.● In Stock — US warehouse, ships to EU* Item #: G106898View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [(2S,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
- SMILES
- C1C(C(OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)OC(=O)C4=CC(=C(C(=C4)O)O)O
- InChIKey
- WMBWREPUVVBILR-NQIIRXRSSA-N
- InChI
- 1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21+/m1/s1
- Synonyms
- (-)-Gallocatechin 3-O-gallate | CCRIS 9286 | (-)-Gallocatechin gallate | Q27166763 | AKOS015901852 | NVP-XAA 225 | A8...
Fast Shipping Same-day shipping on in-stock items
Technical Details Quality & specification info on every product page
Pack Size Options Multiple packaging sizes with pricing access from listing
R&D Use Only Products supplied for research and development use
Frequently Asked Questions
How is the COMT listing put together?
It draws on reported COMT annotations within Neuronal Signaling and lists each compound with its structure, identifiers, and the activity published for it. Always check the underlying assay before comparing potency values across entries.
How do I choose a COMT modulator for my assay?
Start from the assay format and readout — biochemical, cell-based, or in vivo — then compare the COMT entries on potency, selectivity over related family members, and solubility in your vehicle. Where several chemotypes are available, a reference compound plus a structurally unrelated backup is the usual way to control for off-target effects.
Which specifications matter most for COMT compounds?
Purity and identity confirmation come first, then solubility in DMSO or your chosen vehicle, recommended storage temperature, and stability in solution. For COMT work in particular, freshly prepared stocks avoid most of the reproducibility problems seen with stored plates. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
What if the COMT compound I need is not listed?
Search by CAS number or SMILES first, since analogs of COMT compounds are often catalogued under a related target. Custom synthesis and bulk enquiries go to [email protected]. We supply verified businesses, research institutions, universities, and government agencies.












