Molecule structure of 3-Nitro-4-methoxypyridine hydrochloride (CAS NO.31872-61-4):

IUPAC Name: 4-Methoxy-3-nitropyridine hydrochloride 
Molecular Weight: 190.58438 g/mol
Molecular Formula: C₆H₇ClN₂O₃ 
Melting Point: 270 °C (dec.)
Flash Point: 120.7 °C
Enthalpy of Vaporization: 49.37 kJ/mol
Boiling Point: 275.9 °C at 760 mmHg
Vapour Pressure: 0.00834 mmHg at 25 °C 
Sensitive: moisture sensitive
H-Bond Donor: 1
H-Bond Acceptor: 4
Rotatable Bond Count: 1
Exact Mass: 190.01452
MonoIsotopic Mass: 190.01452
Topological Polar Surface Area: 65.3
Heavy Atom Count: 12
Canonical SMILES: COC1=C(C=NC=C1)[N+](=O)[O-].Cl
InChI: InChI=1S/C6H6N2O3.ClH/c1-11-6-2-3-7-4-5(6)8(9)10;/h2-4H,1H3;1H
InChIKey: RRJVDMBZMAGZGE-UHFFFAOYSA-N
Product Categories of 3-Nitro-4-methoxypyridine hydrochloride (CAS NO.31872-61-4): Pyridine

Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
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.

 3-Nitro-4-methoxypyridine hydrochloride (CAS NO.31872-61-4) is also named as 4-Methoxy-3-nitropyridine hydrochloride (1:1) ; 4-Methoxy-3-nitropyridinhydrochlorid ; Pyridine, 4-methoxy-3-nitro-, hydrochloride (1:1) ; 3-Nitro-4-Methoxypyridine HCl ; 4-Methoxy-3-nitropyridine Hydrochloride .