CAS No. 132-66-1
Chemical Structure
Check the
N-1-Naphthylphthalamic acid
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| CAS Number | 132-66-1 | |
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| Molecular Formula |
C18H13NO3 |
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| Molecular Weight (MW) | 291.30 |
N-1-Naphthylphthalamic acid is a potent, specific inhibitor of polar auxin transport in plants that acts by targeting PIN-FORMED (PIN) and ABCB auxin efflux carriers. By inhibiting carrier-mediated cellular auxin efflux, it disrupts asymmetric auxin gradients across plant tissues. Consequently, this blockade impairs downstream auxin-regulated physiological processes, including root and shoot gravitropism, phototropism, and organogenesis. [1]
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- N-1-Naphthylphthalamic acid Solubility in DMSO
- N-1-Naphthylphthalamic acid Stock Solution
- N-1-Naphthylphthalamic acid Storage
- N-1-Naphthylphthalamic acid Stability
- N-1-Naphthylphthalamic acid Molecular Weight
- N-1-Naphthylphthalamic acid Chemical Structure (2D and 3D)
- N-1-Naphthylphthalamic acid SDS｜MSDS
Note: Technical data last updated: Sep 1, 2026.