Forchlorfenuron (CPPU) Cytokinin Plant Growth Regulator
CAS Number: 68157-60-8
Forchlorfenuron (CPPU, 1-(2-chloro-4-pyridyl)-3-phenylurea) is a synthetic cytokinin-type plant growth regulator used to increase fruit size and improve fruit set in a range of horticultural crops. It acts by stimulating cell division and delaying senescence in developing fruits, leading to significantly larger and more uniform fruit. Forchlorfenuron is widely used in kiwifruit size enlargement, table grape berry sizing, and fig production in Asia and other major fruit-producing regions.
Technical Specifications
| appearance | White to off-white crystalline powder |
| moisture (%) | ≤0.5 |
| pH (1% solution) | 5.5–7.5 |
| melting point (°C) | 170–172 |
| active ingredient (%) | ≥98 |
| solubility in water (mg/L, 20°C) | 39 |
Applications
- Kiwifruit berry size enlargement application
- Table grape berry sizing and cluster uniformity
- Fig fruit development improvement
- Watermelon and melon fruit size enhancement
- Thinning and fruit set improvement in stone fruits
Key Features
- Most potent synthetic cytokinin for fruit sizing applications
- Significant fruit size increase at very low application rates (5–10 mg/L)
- Well-established use in kiwi and grape production in Asia and Europe
- Available as TC (98%) for custom formulation or as ready-to-use SL
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CAS Number
68157-60-8
Category
Agricultural / Crop ChemicalsAvailability
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