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| Product Name | rac-GR24 (Strigolactone Analog) |
| Catalog No. | RESK-0602 |
| Description | Strigolactones are a class of plant hormones, or their precursors, discovered in recent years; rac-GR24 is a synthetic racemic strigolactone analog. Strigolactones inhibit shoot branching and lateral bud outgrowth and act together with auxins and cytokinins to control the number of branches (tillers). As carotenoid-derived compounds produced in plant roots, strigolactones also promote symbiosis between plants and soil microorganisms. In addition, strigolactones serve as signaling molecules in interactions between plants and parasitic plants, inducing the germination of seeds of parasitic species such as Striga spp. and Orobanche spp. rac-GR24 analogs have important research and application value in weed control, weed inspection and quarantine, plant architecture modification, crop cultivation and variety breeding. |
| Intended Use | Synthetic racemic strigolactone analog for plant hormone research, including regulation of shoot branching and tillering, induction of parasitic weed seed germination (e.g., Striga and Orobanche spp.) and studies of plant-microbe symbiosis. For research use only. |
| Principle / Technology | rac-GR24 mimics endogenous strigolactones: it suppresses shoot branching and lateral bud growth in coordination with auxin and cytokinin signaling, promotes plant-soil microorganism symbiosis, and acts as a germination signal for parasitic plant seeds. Applied before crop sowing or emergence, it can trigger suicidal germination of parasitic weed seeds in the absence of a host, thereby suppressing weed growth. |
| Sample Type | Plant materials, parasitic plant seeds and plant tissue cultures. |
| Performance Range / Specifications | Chemical Name: (3aR*,8bS*,E)-3-(((R*)-4-methyl-5-oxo-2,5-dihydrofuran-2-yloxy)methylene)-3,3a,4,8b-tetrahydro-2H-indeno[1,2-b]furan-2-one CAS Number: 76974-79-3 Molecular Formula: C17H14O5 Molecular Weight: 298.29 Purity: >98% Solubility: soluble in acetone (10 mM), chloroform and ethyl acetate |
| Reaction Conditions / Protocol | Dissolve in acetone, typically to prepare a 10 mM stock solution; aliquot and store at -20 °C or -80 °C, avoiding repeated freeze-thaw cycles. Dilute the stock to the required working concentration before use. The specific working concentration should be determined from the relevant literature and optimized according to experimental conditions (experimental purpose, cell type, culture characteristics, etc.). |
| Components / Formulation | rac-GR24 powder, >98% purity. |
| Storage Conditions | Store the powder dry and protected from light at 2-8 °C. Once dissolved in acetone, aliquot and store at -25 to -15 °C or -85 to -65 °C, avoiding repeated freeze-thaw cycles. |
| Shelf Life | 2 years (powder, stored dry and protected from light at 2-8 °C); solutions in acetone are stable for at least 2 weeks at -25 to -15 °C or -85 to -65 °C. |
| Package Specifications | 1 mg, 5 mg, 25 mg, 100 mg |
| Product Form | Powder |
| Purity | >98% |
| Concentration | Typically prepared as a 10 mM stock solution in acetone. |
| Molecular Weight | 298.29 |
| Source / Origin | Synthetic racemic strigolactone analog; CAS Number: 76974-79-3; Molecular Formula: C17H14O5. |
| Expiration Date / Stability | Powder: stable for 2 years at 2-8 °C, dry and protected from light. Acetone solutions: stable for at least 2 weeks when aliquoted at -25 to -15 °C or -85 to -65 °C; avoid repeated freeze-thaw cycles. |
| Regulatory / Compliance | For research use only. |
| Compatibility | Soluble in acetone (10 mM), chloroform and ethyl acetate. |
| Recommended Buffer System | Prepare stock solutions in acetone (typically 10 mM). |
| Application Notes / Precautions | Avoid repeated freeze-thaw cycles of stock solutions. Working concentrations should be optimized for each experimental system based on the literature. Applications include suicidal germination of parasitic weeds for eco-friendly weed control, regulation of crop plant architecture (e.g., suppression of unproductive tillering in rice, wheat, tomato, eggplant, pepper and cucumber), and improvement of seed germination and inoculation rates of precious medicinal plants such as Cistanche and Cynomorium. |
For research use only, not for clinical use.
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