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(E)-3,4,5-Trimethoxycinnamic acid (Synonyms: TMCA)

Catalog No.GC66255

(E)-3,4,5-Trimethoxycinnamic acid (TMCA) is a cinnamic acid substituted by multi-methoxy groups. (E)-3,4,5-Trimethoxycinnamic acid is an orally active and potent GABAA/BZ receptor agonist. (E)-3,4,5-Trimethoxycinnamic exhibits favourable binding affinity to 5-HT2C and 5-HT1A receptor, with IC50 values of 2.5 and 7.6 μM, respectively. (E)-3,4,5-Trimethoxycinnamic acid shows anticonvulsant and sedative activity. (E)-3,4,5-Trimethoxycinnamic acid can be used for the research of insomnia, headache and epilepsy.

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(E)-3,4,5-Trimethoxycinnamic acid Chemical Structure

Cas No.: 20329-98-0

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10mM (in 1mL DMSO)
$22.00
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25mg
$20.00
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50mg
$28.00
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100mg
$45.00
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500mg
$113.00
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Sample solution is provided at 25 µL, 10mM.

Description of (E)-3,4,5-Trimethoxycinnamic acid

(E)-3,4,5-Trimethoxycinnamic acid (TMCA) is a cinnamic acid substituted by multi-methoxy groups. (E)-3,4,5-Trimethoxycinnamic acid is an orally active and potent GABAA/BZ receptor agonist. (E)-3,4,5-Trimethoxycinnamic exhibits favourable binding affinity to 5-HT2C and 5-HT1A receptor, with IC50 values of 2.5 and 7.6 μM, respectively. (E)-3,4,5-Trimethoxycinnamic acid shows anticonvulsant and sedative activity. (E)-3,4,5-Trimethoxycinnamic acid can be used for the research of insomnia, headache and epilepsy[1][2][3].

(E)-3,4,5-Trimethoxycinnamic acid (10 μg/mL, 1 h) increases the expressions of GAD65 and γ-subunit of GABAA receptors in the cerebellar granule cells[3].
(E)-3,4,5-Trimethoxycinnamic acid (0-10 μg/mL, 1 h) shows a significant increase in Cl- influx[3].

Western Blot Analysis[3]

Cell Line: Primary cultured cerebellar granule cells
Concentration: 10 μg/mL
Incubation Time: 1 h
Result: Increased expression of GAD65 (glutamic acid decarboxylase) and γ-subunit of GABAA receptors, but did not influence the amounts of a-, b-subunits in the GABAA receptors.

Cell Viability Assay[3]

Cell Line: Primary cultured cerebellar granule cells
Concentration: 1, 3, 5, 10 μg/mL
Incubation Time: 1 h
Result: Produced a significant increase in Cl- influx.

(E)-3,4,5-Trimethoxycinnamic acid (0-20 mg/kg, IP, once) shows anti-seizure effects[2].
(E)-3,4,5-Trimethoxycinnamic acid (0-10 mg/kg, Orally, once) enhances hypnotic effects in pentobarbital-treated mice[3].

Animal Model: Ault male KunMing-strain mice (18-20 g, maximal electroshock (MES) and pentylenetetrazol (PTZ) models)[2]
Dosage: 5, 10 and 20 mg/kg; 10 mL/kg
Administration: IP, once
Result: Significantly decreased the incidence of MES-induced THE (tonic hindlimb extension) to 50% and 20% of the value of the vehicle controls at 10 and 20 mg/kg. Decreased the incidence of MES-induced THE to only 80% at 5 mg/kg. Significantly delayed the onset of myoclonic jerks (MJ), and decreased the seizure severity and mortality compared with the vehicle-treated animals in PTZ seizure model. The incidence of generalized clonic convulsions (stage 4) disappeared at doses of both 10 and 20 mg/kg.
Animal Model: ICR male mice (25-28 g, 10-12 in each group)[3]
Dosage: 2, 5 and 10 mg/kg
Administration: Orally (p.o.), once, 15 min and 1 h prior to pentobarbital injection
Result: Significantly decreased locomotor activity at 10 mg/kg. Increased NREM and total sleep, but decreased wakefulness.

Chemical Properties of (E)-3,4,5-Trimethoxycinnamic acid

Cas No. 20329-98-0 SDF
Synonyms TMCA
Formula C12H14O5 M.Wt 238.24
Solubility DMSO : 100 mg/mL (419.74 mM; Need ultrasonic) Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table of (E)-3,4,5-Trimethoxycinnamic acid

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1 mg 5 mg 10 mg
1 mM 4.1974 mL 20.9872 mL 41.9745 mL
5 mM 0.8395 mL 4.1974 mL 8.3949 mL
10 mM 0.4197 mL 2.0987 mL 4.1974 mL
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