Molecular Structure of L-Norepinephrine bitartrate (CAS No.108341-18-0):
 
Molecular Formula: C₁₂H₁₉NO₁₀
Molecular Weight: 337.27996
IUPAC Name: 4-[(1R)-2-amino-1-Hydroxyethyl]benzene-1,2-diol ; (2R,3R)-2,3-Dihydroxybutanedioic acid ; Hydrate
CAS No: 108341-18-0
H bond acceptors: 4
H bond donors: 5
Freely Rotating Bonds: 6
Flash Point: 221.5 °C
Enthalpy of Vaporization: 73.79 kJ/mol
Boiling Point: 442.6 °C at 760 mmHg
Vapour Pressure: 1.3E-08 mmHg at 25°C
InChI: InChI=1S/C8H11NO3.C4H6O6.H2O/c9-4-8(12)5-1-2-6(10)7(11)3-5;5-1(3(7)8)2
(6)4(9)10;/h1-3,8,10-12H,4,9H2;1-2,5-6H,(H,7,8)(H,9,10);1H2/t8-;1-,2-;/m01./s1
InChIKey: LNBCGLZYLJMGKP-LUDZCAPTSA-N
Classification Code: Adrenergic [vasoconstrictor];Inhibitor (HMG-CoA reductase)

Hazard Codes: T+
Risk Statements: 26/27/28-28 
R26/27/28:Very toxic by inhalation, in contact with skin and if swallowed. 
R28:Very toxic if swallowed.
Safety Statements: 22-26-36/37/39-45-36/37-28 
S22:Do not breathe dust. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37:Wear suitable protective clothing and gloves. 
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 2811 6.1/PG 2
WGK Germany: 3
RTECS: DN6750000

  L-Norepinephrine bitartrate (CAS No.108341-18-0), it also can be called (-)-Norepinephrine bitartrate salt monohydrate ; (-)-alpha-(Aminomethyl)-3,4-dihydroxybenzyl alcohol tartrate (1:1) (salt) monohydrate ; L-Norepinephrine bitartrate hydride .