Molecular Structure of Quinidine sulfate monohydrate (CAS NO.6591-63-5):

Molecular Formula: C₄₀H₅₄N₄O₁₀S
Molecular Weight: 782.9426
IUPAC Name: (S)-[(4S,5R,7R)-5-Ethenyl-1-azabicyclo[2.2.2]octan-7-yl]-(6-methoxyquinolin-4-yl)methanol; sulfuric acid; dihydrate
Synonyms of Quinidine sulfate monohydrate (CAS NO.6591-63-5): Quinidine sulfate [USAN:JAN] ; Quinidine sulfate hydrate ; 6-Methoxy-alpha-(5-vinyl-2-quinuclidinyl)-4-quinolinemethanol hemisulfate hydrate ; Cin-Quin ; Cinchonan-9-ol, 6'-methoxy-, (9S)-, sulfate (2:1) (salt), dihydrate ; Quinidine sulfate ; Quinidine sulfate (2:1) (salt) dihydrate ; Quinidine sulfate (2:1) (salt) monohydrate ; Quinidine, sulfate, hydrate (2:1:2) ; UNII-J13S2394HE ; Quinidine, hemisulfate, hydrate
CAS NO: 6591-63-5
Classification Code: Cardiac depressant [anti-arrhythmic] ; Drug / Therapeutic Agent
Melting point: 212-214 °C 
H bond acceptors: 14
H bond donors: 8
Freely Rotating Bonds: 10
Polar Surface Area: 148.62 Å²
Flash Point: 554 °C
Enthalpy of Vaporization: 151.62 kJ/mol
Boiling Point: 992.5 °C at 760 mmHg

Hazard Codes of Quinidine sulfate monohydrate (CAS NO.6591-63-5): Xn
Risk Statements: 20/21/22 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 13-36 
S13: Keep away from food, drink and animal foodstuffs. 
S36: Wear suitable protective clothing.
WGK Germany: 3
RTECS: VA5605000