| Identification | Back Directory | [Name]
cupreine | [CAS]
524-63-0 | [Synonyms]
C06530
cupreine
Ultraquinine
O-Demethylquinidine
O-Desmethyl Quinine
6'-hydroxycinchonidine
(8,9R)-9-Diol Cinchonan-6’
(8α,9R)-Cinchonan-6',9-diol
(8,9R)-9-Diol Cinchonan-6 Cupreine | [EINECS(EC#)]
208-363-9 | [Molecular Formula]
C19H22N2O2 | [MDL Number]
MFCD09842542 | [MOL File]
524-63-0.mol | [Molecular Weight]
310.395 |
| Chemical Properties | Back Directory | [Definition]
One of the cinchona alkaloids. | [Melting point ]
>171°C (dec.) | [alpha ]
D17 -176° | [Boiling point ]
450.55°C (rough estimate) | [density ]
1.1396 (rough estimate) | [refractive index ]
1.5600 (estimate) | [storage temp. ]
-20?C Freezer | [solubility ]
DMSO (Slightly), Methanol (Slightly) | [form ]
Solid | [pka]
6.57(at 25℃) | [color ]
Off-White to Pale Yellow |
| Hazard Information | Back Directory | [Chemical Properties]
Pale Yellow Solid | [Uses]
A metabolite of Quinine (Q694000). | [Purification Methods]
Cupreine crystallises from EtOH (anhydrous crystals) and wet Et2O (as dihydrate crystals). It has Kb 2.7x10-7 [Kolthoff Biochem Z 162 323]. The sulfate forms needles, m 257o(dec), from MeOH, amyl alcohol or H2O, with [] 20-197.9o (c 1.2, H2O). [Beilstein 22 I 165, 22 II 416.] |
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