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22620

Sigma-Aldrich

Quinine

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

Synonyma:

6′-Methoxycinchonidine

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About This Item

Empirický vzorec (Hillův zápis):
C20H24N2O2
Číslo CAS:
130-95-0
Molekulová hmotnost:
324.42
Beilstein/REAXYS Number:
91867
EC Number:
205-003-2
MDL number:
MFCD00198096
UNSPSC Code:
12171500
PubChem Substance ID:
57647993
NACRES:
NA.32

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

Gene Information

human ... ABCB1(5243) , CYP2C9(1559) , CYP2D6(1565)
rat ... Cyp2d1(266684) , Cyp2d2(25053) , Cyp2d3(24303) , Cyp2d4v1(171522)

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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

Potassium channel blocker

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H317

Hazard Classifications

Acute Tox. 4 Oral - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

ppe

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

Osvědčení o analýze (COA)

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The role of friction in perceived oral texture.
Rene A. de Wijk , Jon F. Prinz.
Food Quality and Preference, 16, 121-129 (2005)
V F Andrade-Neto et al.
Journal of ethnopharmacology, 87(2-3), 253-256 (2003-07-16)
For centuries, malaria was treated with the bark of Cinchona calisaya and Cinchona succirubra plants named "quinas" in Brazil, from which the quinine molecule was isolated. Other plant species known also as "quinas" are used to treat fever and malaria
The Journal of Organic Chemistry, 50, 1977-1977 (1985)
Jeffrey G Sarver et al.
Journal of biomolecular screening, 7(1), 29-34 (2002-03-19)
A microplate screening method has been developed to evaluate the effects of test agents on the accumulation of the fluorescent P-glycoprotein (Pgp) substrates Hoechst 33342, rhodamine 123, and rhodamine 6G in multidrug-resistant (MDR) breast cancer cells that overexpress Pgp. All
M Bikson et al.
Neuroscience, 115(1), 251-261 (2002-10-29)
The effect of quinine on pyramidal cell intrinsic properties, extracellular potassium transients, and epileptiform activity was studied in vitro using the rat hippocampal slice preparation. Quinine enhanced excitatory post-synaptic potentials and decreased fast- and slow-inhibitory post-synaptic potentials. Quinine reduced the
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