1. Apoptosis
  2. Bcl-2 Family
  3. Gossypol

Gossypol (Synonyms: BL 193)

Cat. No.: HY-13407 Purity: 99.03%
Handling Instructions

Gossypol, a natural product isolated from cottonseeds and roots, binds to Bcl-xL protein and Bcl-2 protein with Kis of 0.5-0.6 μM and 0.2-0.3 mM, respectively.

For research use only. We do not sell to patients.

Gossypol Chemical Structure

Gossypol Chemical Structure

CAS No. : 303-45-7

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100 mg USD 150 In-stock
Estimated Time of Arrival: December 31
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Other Forms of Gossypol:

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Gossypol, a natural product isolated from cottonseeds and roots, binds to Bcl-xL protein and Bcl-2 protein with Kis of 0.5-0.6 μM and 0.2-0.3 mM, respectively.

IC50 & Target[1]


0.5-0.6 μM (Ki)


0.2-0.3 mM (Ki)

In Vitro

Gossypol, a natural product isolated from cottonseeds and roots that has been studied as an anticancer agent. The racemic form of Gossypol [(±)-Gossypol] is tested in several clinical trials and is well tolerated. The racemic form Gossypol ((±)-Gossypol) binds to Bcl-xL protein with a Ki of 0.5 to 0.6 μM. (±)-Gossypol also potently binds to Bcl-2 protein with a Ki value of 0.2-0.3 mM. The natural racemic Gossypol has two enantiomers, namely the (-)-Gossypol and (+)-Gossypol enantiomers. The racemic form and each of the enantiomers of Gossypol are tested against UM-SCC-6 and UM-SCC-14A in 6-day MTT assays. (-)-Gossypol exhibits greater growth inhibition relative to (±)-Gossypol than (+)-Gossypol in both cell lines tested (P<0.001). An intermediate growth inhibitory effect is observed with (±)-Gossypol but this effect is only observed at the higher dose of Gossypol (10 μM, P<0.0001)[1].

Clinical Trial
Molecular Weight









Room temperature in continental US; may vary elsewhere.


4°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 125 mg/mL (241.06 mM; Need ultrasonic)

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9285 mL 9.6423 mL 19.2845 mL
5 mM 0.3857 mL 1.9285 mL 3.8569 mL
10 mM 0.1928 mL 0.9642 mL 1.9285 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.08 mg/mL (4.01 mM); Clear solution

*All of the co-solvents are provided by MCE.
Cell Assay

Two representative UM-SCC cell lines, UM-SCC-6 and UM-SCC-14A, are continuously exposed to 0 (vehicle control), 5 or 10 μM (±)-Gossypol, (-)-Gossypol or (+)-Gossypol in a 6-day MTT cell survival assay[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

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GossypolBL 193BL193BL-193Bcl-2 FamilyInhibitorinhibitorinhibit

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