Molecular structure of 2',3'-Dideoxyuridine (CAS NO.5983-09-5) is:

Product Name: 2',3'-Dideoxyuridine
CAS Registry Number: 5983-09-5
IUPAC Name: 1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
Molecular Weight: 212.20258 [g/mol]  
Molecular Formula: C₉H₁₂N₂O₄  
XLogP3: -0.9  
H-Bond Donor: 2  
H-Bond Acceptor: 4
Melting Point: 127-129 °C(lit.)
Storage temp.: 2-8°C
Index of Refraction:  1.566 
Molar Refractivity: 49.55 cm³ 
Molar Volume: 151.8 cm³
Surface Tension: 57 dyne/cm 
Density: 1.397 g/cm³ 
Product Categories: Pyridines, Pyrimidines, Purines and Pteredines
Canonical SMILES: C1CC(OC1CO)N2C=CC(=O)NC2=O
Isomeric SMILES: C1C[C@@H](O[C@@H]1CO)N2C=CC(=O)NC2=O
InChI: InChI=1S/C9H12N2O4/c12-5-6-1-2-8(15-6)11-4-3-7(13)10-9(11)14/h3-4,6,8,12H,1-2,5H2,(H,10,13,14)/t6-,8+/m0/s1 
InChIKey: BTOTXLJHDSNXMW-POYBYMJQSA-N

Safty information about 2',3'-Dideoxyuridine (CAS NO.5983-09-5) is:
Hazard Codes: C
Risk Statements: 34-36/37
R34:Causes burns. 
R36/37:Irritating to eyes and respiratory system.
Safety Statements: 22-24/25-45-36/37/39-27-26 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S27:Take off immediately all contaminated clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
F: 10-23

 2',3'-Dideoxyuridine , its cas register number is 5983-09-5. It also can be called Uridine, 2',3'-dideoxy- .