Date published: 2025-12-4

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Paclobutrazol (CAS 76738-62-0)

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Alternate Names:
α-tert-Butyl-β-(4-chlorobenzyl)-1H-1,2,4-triazole-1-ethanol
Application:
Paclobutrazol is a triazole antifungal
CAS Number:
76738-62-0
Molecular Weight:
293.79
Molecular Formula:
C15H20ClN3O
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Paclobutrazol is a chlorinated triazole pesticide that inhibits gibberellin biosynthesis and acts as a plant growth retardant. It is used in a variety of laboratory experiments, such as plant physiology, biochemistry, and pathology. Specifically, it can be employed to study the effects of gibberellin and other plant hormones, such as auxins and cytokinins, on plant growth and development. Additionally, Paclobutrazol may act to reduce plant height, stem diameter, and the number of leaves. Paclobutrazol also affects the development of flowers, as it can delay flowering or reduce the number of flowers.


Paclobutrazol (CAS 76738-62-0) References

  1. Environmental behavior of paclobutrazol in soil and its toxicity on potato and taro plants.  |  Jiang, X., et al. 2019. Environ Sci Pollut Res Int. 26: 27385-27395. PMID: 31325091
  2. Enantiomeric effect of paclobutrazol on the microorganism composition during wine fermentation.  |  Guo, HM., et al. 2020. Chirality. 32: 489-499. PMID: 32048357
  3. Paclobutrazol elevates auxin and abscisic acid, reduces gibberellins and zeatin and modulates their transporter genes in Marubakaido apple (Malus prunifolia Borkh. var. ringo Asami) rootstocks.  |  Opio, P., et al. 2020. Plant Physiol Biochem. 155: 502-511. PMID: 32836196
  4. Chiral enantiomers of the plant growth regulator paclobutrazol selectively affect community structure and diversity of soil microorganisms.  |  Zhao, H., et al. 2021. Sci Total Environ. 797: 148942. PMID: 34311352
  5. Paclobutrazol exposure induces apoptosis and impairs autophagy in hepatocytes via the AMPK/mTOR signaling pathway.  |  Luo, Y., et al. 2021. J Biochem Mol Toxicol. 35: e22874. PMID: 34351037
  6. Emergence of Triazole Resistance in Aspergillus fumigatus Exposed to Paclobutrazol.  |  Yu, S., et al. 2021. J Agric Food Chem. 69: 15538-15543. PMID: 34915705
  7. Paclobutrazol Improves the Quality of Tomato Seedlings to Be Resistant to Alternaria solani Blight Disease: Biochemical and Histological Perspectives.  |  Shalaby, TA., et al. 2022. Plants (Basel). 11: PMID: 35161406
  8. Study on endocrine disruption effect of paclobutrazol and uniconazole on the thyroid of male and female rats based on lipidomics.  |  Liu, H., et al. 2022. Ecotoxicol Environ Saf. 234: 113386. PMID: 35286959
  9. Exogenous Paclobutrazol Reinforces the Antioxidant and Antimicrobial Properties of Lavender (Lavandula officinalis L.) Oil through Modulating Its Composition of Oxygenated Terpenes.  |  El-Sayed, SM., et al. 2022. Plants (Basel). 11: PMID: 35736758
  10. Enantioselective neurotoxicity and oxidative stress effects of paclobutrazol in zebrafish (Danio rerio).  |  Guo, D., et al. 2022. Pestic Biochem Physiol. 185: 105136. PMID: 35772839
  11. Paclobutrazol reduces growth and increases chlorophyll indices and gas exchanges of basil (Ocimum basilicum).  |  Santos Filho, FB., et al. 2022. Braz J Biol. 82: e262364. PMID: 35857950
  12. Paclobutrazol improves surface water use efficiency by regulating allometric trait behavior in maize.  |  Urfan, M., et al. 2022. Chemosphere. 307: 135958. PMID: 35952796
  13. Paclobutrazol Ameliorates Low-Light-Induced Damage by Improving Photosynthesis, Antioxidant Defense System, and Regulating Hormone Levels in Tall Fescue.  |  Liu, B., et al. 2022. Int J Mol Sci. 23: PMID: 36077362

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Paclobutrazol, 250 mg

sc-236284
250 mg
$33.00

Paclobutrazol, 1 g

sc-236284A
1 g
$51.00

Paclobutrazol, 5 g

sc-236284B
5 g
$144.00