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Merck
CN

22620

奎宁

suitable for fluorescence, anhydrous, ≥98.0% (dried material, NT)

别名:

6′-甲氧基辛可宁

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经验公式(希尔记法):
C20H24N2O2
化学文摘社编号:
分子量:
324.42
UNSPSC Code:
12171500
NACRES:
NA.32
PubChem Substance ID:
EC Number:
205-003-2
Beilstein/REAXYS Number:
91867
MDL number:
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Quality Level

assay

≥98.0% (dried material, NT)

form

powder

optical activity

[α]20/D −126±5°, c = 1% in chloroform

impurities

≤5% dihydroquinine (HPLC)

loss

≤1% loss on drying, 110 °C

mp

173-175 °C (lit.)

solubility

H2O: soluble

fluorescence

λex 347 nm; λem 448 nm in 0.5 M sulfuric acid

suitability

suitable for fluorescence

SMILES string

COc1ccc2nccc([C@@H](O)[C@@H]3C[C@@H]4CCN3C[C@@H]4C=C)c2c1

InChI

1S/C20H24N2O2/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3/t13-,14-,19-,20+/m0/s1

InChI key

LOUPRKONTZGTKE-WZBLMQSHSA-N

General description

Quinine, also known as 6′-Methoxycinchonidine is a fluorescent reagent. The quantum yield of Quinine is 23% higher at 390 mµ excitation wavelength than at 313 mµ. The fluorescence polarization in the emission band of quinine in a rigid medium arises from two singlet states simultaneously. The emission spectra of quinine or 6-methoxyquinoline shifts towards the red zone when excited at 390 mµ.

Application

Quinine was used in the following processes:

  • To study its in vitro antimalarial activity in combination with omeprazole.
  • To analyze its effect on viscosity and friction of saliva.
  • As a test agent to study its impact on the accumulation of the fluorescent P-glycoprotein (Pgp) substrates in P-glycoprotein overexpressing breast cancer cells.
  • To study its influence on the pyramidal cell intrinsic properties, extracellular potassium transients, and epileptiform activity in vitro.
  • As a reference compound to identify alkaloids by phytochemical screening of Deianira erubescens, Strychnos pseudoquina and Remijia ferruginea plants.

Biochem/physiol Actions

钾通道阻断剂。


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hcodes

Hazard Classifications

Acute Tox. 4 Oral - Skin Sens. 1

存储类别

11 - Combustible Solids

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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