Molecule structure of N(4)-Aminocytidine (CAS NO.57294-74-3):

IUPAC Name: 1-[(3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-hydrazinylpyrimidin-2-one 
Molecular Weight: 258.23126 g/mol
Molecular Formula: C₉H₁₄N₄O₅ 
Density: 1.93 g/cm³ 
Boiling Point: 555.5 °C at 760 mmHg 
Flash Point: 289.8 °C
Index of Refraction: 1.776
Molar Refractivity: 55.69 cm³
Molar Volume: 133.1 cm³
Polarizability: 22.08×10^-24 cm³
Surface Tension: 94.2 dyne/cm 
Enthalpy of Vaporization: 96.17 kJ/mol
Vapour Pressure: 1.18E-14 mmHg at 25 °C
XLogP3: -2.5
H-Bond Donor: 5
H-Bond Acceptor: 7
Rotatable Bond Count: 3
Tautomer Count: 3
Exact Mass: 258.09642
MonoIsotopic Mass: 258.09642
Topological Polar Surface Area: 141
Heavy Atom Count: 18
Complexity: 398
Defined Atom StereoCenter Count: 3
Undefined Atom StereoCenter Count: 1
Canonical SMILES: C1=CN(C(=O)N=C1NN)C2C(C(C(O2)CO)O)O
Isomeric SMILES: C1=CN(C(=O)N=C1NN)C2[C@@H]([C@@H]([C@H](O2)CO)O)O
InChI: InChI=1S/C9H14N4O5/c10-12-5-1-2-13(9(17)11-5)8-7(16)6(15)4(3-14)18-8/h1-2,4,6-8,14-16H,3,10H2,(H,11,12,17)/t4-,6-,7-,8?/m1/s1
InChIKey: RSSRMDMJEZIUJX-ZRTZXPPTSA-N
Storage Temp.: 2-8 °C
Product Categories: Biochemicals and Reagents; Nucleoside Analogs; Nucleosides, Nucleotides, Oligonucleotides

Hazard Codes: T
Risk Statements: 46-20/21/22 
R46:May cause heritable genetic damage. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 53-22-36/37/39-45 
S53:Avoid exposure - obtain special instructions before use. 
S22:Do not breathe dust. 
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.)
WGK Germany: 3
RTECS: YU8055000
Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x.

 N(4)-Aminocytidine (CAS NO.57294-74-3) is also named as CCRIS 2527 ; N(sup 4)-Aminocytidine ; N4-Aminocytidine Uridine, 4-hydrazone . N(4)-Aminocytidine (CAS NO.57294-74-3) is toxic. It is flammable. It will produce toxic nitrogen oxide fumes when buring. So the storage environment should be ventilate, low-temperature and dry.