R(-)-Gossypol

SKU:BHB11900047
Suppliers
StressMarq Biosciences Inc.
StressMarq Biosciences Inc.
Details Products
Overview
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R(-)-Gossypol is a research-grade small-molecule inducer of Bcl-2 for Cancer and Apoptosis studies. Supplied as a dark yellow solid with >98% purity (CAS 303-45-7, MW 518.56) Soluble to 25 mM in ethanol and in DMSO.; store at -20°C. For research use only.
Cas No. 303-45-7
Molecular Formula C30H30O8
Purity >98%
Application Notes Bcl-2 inhibitor
Options selector
Catalog no. Size
SIH-223-10MG 10 mg
SIH-223-50MG 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
Mfr No SIH-223
Activity
  • Inducer
Alternative Names 1,1',6,6',7,7'-Hexahydroxy-5,5'-diisopropyl-3,3'-dimethyl-2,2'-binaphthalene-8,8'-dicarbaldehyde, Gossypol
Cas No. 303-45-7
Form Dark Yellow Solid
Molecular Weight 518.56
Product Type
  • Biochemicals
  • Small Molecules
Purity >98%
Shipping Shipped Ambient
SMILES CC1=CC2=C(C(=C(C(=C2C(C)C)O)O)C=O)C(=C1C3=C(C4=C(C=C3C)C(=C(C(=C4C=O)O)O)C(C)C)O)O
Solubility Soluble to 25 mM in ethanol and in DMSO.
Source Synthetic
Storage -20ºC

R(-)-Gossypol is a natural phenolic compound derived from the cotton plant, known for its pro-apoptotic and enzyme-inhibitory properties. In neuroscience, it has been studied for its ability to modulate apoptotic pathways through regulation of Bcl-2 family proteins and inhibition of calcineurin. These mechanisms are relevant to neurodegenerative diseases characterized by dysregulated cell death and calcium signaling.

Classification: Harmful. May be harmful if inhaled, swallowed or absorbed through skin.

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

Risk Phrases:

  • R62- Possible risk of impaired fertility
  • R68- Possible risk of irreversible effects

Hazard Phrases:

H351

Precautionary Phrases:

P281

R(-)-Gossypol (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-223)

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. www.bioscreening.net “Gossypol”
2. Carruthers N.J., Dowd M.K., and Stemmer P.M. (2007) Eur J Pharmacol. 555(2-3): 106-114.

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