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Rotundine

SKU: orb1305125

Description

L-(R,S)-Tetrahydropalmatine (Rotundine) is a natural alkaloid isolated from Corydalis yanhusuo. It is widely used in pharmacological research for studying its analgesic and sedative effects, with applications in both in vitro receptor binding assays and in vivo behavioral models.

Research Area

Neuroscience, Pharmacology & Drug Discovery

Images & Validation

Key Properties

CAS Number10097-84-4
MW355.43
Purity99.97% (May vary between batches)
FormulaC21H25NO4
SMILESCOC1=C(OC)C=C2C3CC4=C(CN3CCC2=C1)C(OC)=C(OC)C=C4
Target5-HT Receptor,Dopamine Receptor
SolubilityH2O:< 1 mg/mL (insoluble or slightly soluble);DMSO:55 mg/mL (154.74 mM);Ethanol:< 1 mg/mL (insoluble or slightly soluble)

Bioactivity

In Vitro
Rotundine displays a higher affinity to dopamine D1 than D2 receptor with Ki of 124 nM and 388 nM, respectively, while the IC50 values are 166 nM (D1) and 1.47 μM (D2), respectively. Rotundine exhibits a weak inhibitory activity against dopamine D3 with IC50 of 3.25 μM. Rotundine also potently inhibits 5-HT1A with IC50 of 374 nM and Ki of 340 nM. In addition to the antagonism of postsynaptic dopamine receptors, inhibition of presynaptic autoreceptors by Rotundine leads to increased dopamine release, which is probably attributed to lower affinity of Rotundine for D2 receptors. Along with dopamine receptors, Rotundine can interact with a number of other receptor types, including α-1 adrenergic receptors, at which it functions as an antagonist, and γ-aminobutyric acid receptors, at which it facilitates γ-aminobutyric acid binding through positive allosteric effects.

Storage & Handling

StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature.
Expiration Date12 months from date of receipt.
DisclaimerFor research use only

Alternative Names

Rotundine, TETRAHYDROPALMATINE Hydrochloride, TETRAHYDROPALMATINE HYDROCHLORIDE, 5HTReceptor, 5HT Receptor, 5-HT1A, Dopamine Receptor, DopamineReceptor, D1, D2, D3, L-Tetrahydropalmatine

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Key Properties

No computed properties available.

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Rotundine (orb1305125)

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Available Sizes

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1 ml x 10 mM (in DMSO)
$ 70.00
50 mg
$ 70.00
100 mg
$ 90.00
200 mg
$ 100.00
500 mg
$ 140.00
1 g
$ 190.00
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