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PhytoTechnology Laboratories

Product ID: F376


Flurprimidol is a dwarfing agent that has been used with grasses, α-(1-methylethyl)-α-[4-(Trifluoromethoxy)phenyl]-5-pyrimidinemethanol

Solubility DMSO
Physical Form Solid
Storage Temp. 2 to 6 °C
Other Notes Plant Tissue Culture Tested
UPC / SKU F376
CAS NUMBER 56425-91-3
Formula Weight 312.29
Formula C15H15F3N2O2
Storage Temp. 2 to 6 °C
Tariff Code 2933.59.7000
Risk Info (R) 20/21/22
Safety Info (S) 24/25-36/37/39
No information available

F376 Flurprimidol

Synonyms: α-(1-Methylethyl)-α-[4-(trifluoromethoxy)phenyl]-5- pyrimidinemethanol
CAS: 56425-91-3
Formula: C15H15F3N2O2
Mol. Weight: 312.29
Form: Powder
Appearance: White to Off-white Powder
Application: Plant Growth Regulator
Solubility: DMSO
Storage Temp: 2 to 6° C
Typical Working Concentration: Varies by application. Concentration should be determined by end user
Other Notes: Plant Tissue Culture Tested; For Research Use Only

Application Notes
Flurprimidol is known as a growth retardant containing an N-containing heterocycle. It functions by inhibiting cytochrome P450-dependent monooxygenases, which are enzymes that catalyzes the oxidation of ent-kaurene into ent-kaurene acid, thus it inhibits the gibberellin biosynthesis which leads to the inhibition of internodes elongation. 2

Flurprimidol not only works to retard plant growth, but also helps enhance bulb formation. It has been reported that treatment of shallot bulbs with 10 uM Flurprimidol increase bulb formations with no effect on division rate.3

Fluprimidot has also been used as a growth regulator for grasses.
Please Note: While PhytoTechnology Laboratories™ tests each lot of this product with two or more plant cell/ tissue culture lines, it is the sole responsibility of the purchaser to determine the appropriateness of this product for the specific plants that are being cultured and applications that are being used

1. Merck 13, 4230
2. Rademacher, Wilhelm. 2000. Growth Retardants: Effects on Gibberellin Biosynthesis and Other Metabolic Pathways. Annu. Rev. Plant Physiol. Plant Mol. Biol. 51:501-531.
3. Saos, F. Le Guen-le, A. Hourmant, F. Esnault, and J.E. Chauvin. 2002. In vitro Bulb Development in Shallot (Allium cepa. L. Aggregatum Group): Effects of Anti-gibberellins, Sucrose and Light. Annals of Botany. 89:419-425.