Entacapone

SKU:BHB11900356
Suppliers
StressMarq Biosciences Inc.
StressMarq Biosciences Inc.
Details Products
Overview
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Entacapone is a research-grade small-molecule inhibitor of COMT supporting Neuroscience and Neurodegeneration research. Supplied as a yellow powder with >98% purity (CAS 130929-57-6, MW 305.3) dissolvable in DMSO; store at -20°C. For research use only.
Cas No. 130929-57-6
Molecular Formula C14H15N3O5
Purity >98% (HPLC); NMR (Conforms)
Application Notes COMT inhibitor
Options selector
Catalog no. Size
SIH-578-10MG 10 mg
SIH-578-50MG 50 mg
Available Options

Select the variant that best fits your experiment. Availability and lead time may vary by option.

  • Options: Size (2) — 10 mg, 50 mg.
  • Lead time: options listed as “in stock at manufacturer” typically ship in 2-3 business days; other statuses may take longer.
  • Storage: -20ºC
  • Shipping: ships at ambient temperature.
  • Upon receipt: store at the recommended temperature as soon as possible.
  • Sales terms and conditions: Please review prior to ordering.
Field Specification
Alternative names (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
CAS no. 130929-57-6
Applications
  • Functional Assay (In Vitro)
Source Synthetic
Molecular weight 305.3
Molecular formula C14H15N3O5
Purity >98% (HPLC); NMR (Conforms)
Bioactivity Inhibitor
Activity
  • Inhibitor
Solubility May be dissolved in DMSO (30 mg/ml); or ethanol (3 mg/ml)
SMILES OC1=CC(/C=C(C#N)/C(N(CC)CC)=O)=CC([N+]([O-])=O)=C1O
InChIKey JRURYQJSLYLRLN-BJMVGYQFSA-N
Form Yellow powder
Storage -20ºC
Shipping Shipped Ambient
Catalog no. (Mfr.) SIH-578
Main SKU BHB11900356

Entacapone is a selective and reversible inhibitor of catechol-O-methyltransferase (COMT), an enzyme responsible for the peripheral degradation of levodopa. Clinically, it is used as an adjunct therapy in Parkinson’s disease to prolong the half-life and efficacy of levodopa by preventing its premature metabolism. Beyond its established role in dopaminergic modulation, Entacapone has demonstrated potential neuroprotective properties relevant to neurodegenerative disease research.

Recent studies suggest that Entacapone may inhibit the oligomerization and fibrillogenesis of alpha-synuclein and beta-amyloid—two pathological proteins central to the progression of Parkinson’s and Alzheimer’s diseases, respectively. By interfering with the aggregation of these proteins, Entacapone may reduce neurotoxicity and synaptic dysfunction, offering a dual mechanism of action: symptomatic relief through dopaminergic support and disease modification through anti-aggregation effects.

Additionally, its modulation of catecholamine metabolism may influence oxidative stress and neuroinflammation, both of which are implicated in the pathophysiology of neurodegeneration. These emerging findings position Entacapone as a compound of interest not only in symptomatic management but also in the exploration of disease-modifying strategies for neurodegenerative disorders.

Classification: Not a hazardous substance or mixture.

Safety Phrases:

  • S22 - Do not breathe dust.
  • S24/25 - Avoid contact with skin and eyes.
  • S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.

Entacapone (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-578)

Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.

  • Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
  • Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
  • Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
  • QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
  • Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity

To quote quickly, tell us: compound name + CAS/structure (SMILES or mol file), intended assay context, solvent preference, salt/stereochemistry requirements, purity/QC level, and the amount (mg–g).

Can’t find the compound you’re looking for?
Send the CAS or structure and your specs. We can help source it, suggest close equivalents, or discuss custom synthesis with the right QC documentation (RUO).

1. Di Giovanni S., et al. (2010) J Biol Chem. 285 (20): 14941-14954.

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