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Uniconazole is a triazole plant growth retardant that inhibits production of gibberellins, which are involved in stress tolerance, dormancy, and flowering, through inhibition of abscisic acid 8’-hydroxylase. Uniconazole also inhibits Cyp450 enzymes and biosynthesis of trans-zeatin. The S-(+) enantiomer of uniconazole appears to be more active than the R-(-) enantiomer.
| Cas No. | 83657-22-1 |
|---|---|
| Purity | ≥98% |
| Formula | C15H18ClN3O |
| Formula Wt. | 291.78 |
| IUPAC Name | (E)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol |
| Melting Point | 153°C |
| Appearance | White to off white powder |
| Store Temp | Ambient |
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| Ship Temp | Ambient |
| MSDS | |
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| Info Sheet |
Sasaki E, Ogura T, Takei K, et al. Uniconazole, a cytochrome P450 inhibitor, inhibits trans-zeatin biosynthesis in Arabidopsis. Phytochemistry. 2013 Mar;87:30-8. PMID: 23280040.
Sun J, Zhang A, Zhang J, et al. Enantiomeric resolution and growth-retardant activity in rice seedlings of uniconazole. J Agric Food Chem. 2012 Jan 11;60(1):160-4. PMID: 22148239.
Todoroki Y, Kobayashi K, Yoneyama H, et al. Structure-activity relationship of uniconazole, a potent inhibitor of ABA 8'-hydroxylase, with a focus on hydrophilic functional groups and conformation. Bioorg Med Chem. 2008 Mar 15;16(6):3141-52. PMID: 18164621.
Saito S, Okamoto M, Shinoda S, et al. A plant growth retardant, uniconazole, is a potent inhibitor of ABA catabolism in Arabidopsis. Biosci Biotechnol Biochem. 2006 Jul;70(7):1731-9. PMID: 16819156.
Hays DB, Yeung EC, Pharis RP. The role of gibberellins in embryo axis development. J Exp Bot. 2002 Aug;53(375):1747-51. PMID: 12147724.