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Ephedrine Hydrochloride

 Last Update: 2022-03-18
 Source: Internet
 Author: User

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Ephedrine Hydrochloride

【Synonym】Ephedrin

【Structural formula】

[Molecular formula and molecular weight] C ₁₀ H ₁₅ NO·HCl; 201.

[Source] The dry aerial part of Ephedra sinica Stapf, a plant of the ephedra family

[Properties] Colorless granular crystals

This product is easily soluble in methanol and water

Melting point: 216～220℃

【Purity Check】

TLC

Developing solvent of chloroform - methanol - conc.

After checking the color of 2% ninhydrin test solution, check under visible light

Developing agent chloroform-benzene-ethanol (10:3:2, saturated with ammonia vapor)

After checking the color of 2% ninhydrin test solution, check under visible light

High performance liquid chromatography

The chromatographic column uses polar ether connected with phenyl bonded silica as the filler

Mobile phase methanol-0.

Detection wavelength 210nm

【Structural identification】263,257,252,214

3340 (-OH), 1590 (benzene ring), 1460, 1395, 1240, 1050, 995, 755, 700

EI-MS m/z: 166[M—Cl] ⁺ , 165,107,58

¹ H-NMR (D ₂ O) δ: 1.

¹³ C-NMR (D ₂ O) δ: 12.

【Storage】Dry and airtight

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