Thiolutin

SKU:BHB11900163
Suppliers
StressMarq Biosciences Inc.
StressMarq Biosciences Inc.
Details Products
Overview
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Thiolutin is a research-grade small-molecule inhibitor of RNA polymerase for Cell Signaling and Epigenetics and Nuclear Signaling studies. Supplied as a yellow powder with 98% purity (CAS 87-11-6, MW 228.3) dissolvable in DMSO; store at -20°C. For research use only.
Cas No. 87-11-6
Molecular Formula C8H8N2O2S2
Purity ≥98% (TLC); NMR (Conforms)
Application Notes RNA polymerase inhibitor
Options selector
Catalog no. Size
SIH-375-1MG 1 mg
SIH-375-5MG 5 mg
Available Options

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

  • Options: Size (2) — 1 mg, 5 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
Mfr No SIH-375
Activity
  • Inhibitor
Alternative Names N-(4,5-Dihydro-4-methyl-5-oxo-1,2-d¬ithiolo[4,3-b]pyrrol-6-yl)acetamide
Cas No. 87-11-6
Form Yellow powder
Molecular Weight 228.3
Product Type
  • Biochemicals
  • Small Molecules
Purity ≥98% (TLC); NMR (Conforms)
Shipping Shipped Ambient
SMILES CC(=O)NC1=C2C(=CSS2)N(C1=O)C
Solubility May be dissolved in DMSO (15 mg/ml)
Source Synthetic
Storage -20ºC

Thiolutin is a sulfur-containing antibiotic that inhibits RNA polymerases and has been shown to block transcription initiation. In neuroscience, it is used to study transcriptional regulation and stress responses in neurons. Thiolutin also exhibits antioxidant properties and can modulate proteasome activity, making it relevant in models of oxidative stress and protein aggregation. These features are particularly important in neurodegenerative diseases where transcriptional dysregulation and oxidative damage contribute to neuronal loss.

Classification: Danger.

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

Hazard Phrases:

  • H300 – Fatal if swallowed
  • H330 – Fatal if inhaled

Precautionary Phrases:

  • P260 – Do not breathe dust/fume/gas/mist/vapours/spray
  • P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P405 – Store locked up

Thiolutin (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-375)

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. Pelechano V. and Perez-Ortin J. (2008) Yeast 25: 85-92.
2. Jia Y., et al. (2010) Cell Stress Chaperones 15: 165.
3. Minamiguchi K., et al. (2001) International J. Cancer. 93: 307.

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