Molecular structure of N-Cbz-L-homoserine lactone (CAS NO.35677-89-5) is:

Product Name: N-Cbz-L-homoserine lactone
CAS Registry Number: 35677-89-5
Molecular Formula: C₁₂H₁₃NO₄
Molecular Weight: 235.24
Melting Point: 127-132 °C
Surface Tension: 50 dyne/cm
Density: 1.27 g/cm³
Flash Point: 235.7 °C
Enthalpy of Vaporization: 72.78 kJ/mol
Boiling Point: 466.1 °C at 760 mmHg
Vapour Pressure: 7.29E-09 mmHg at 25°C 
Product Categories: N-CBZ

Safty information about N-Cbz-L-homoserine lactone (CAS NO.35677-89-5) is:
Safety Statements: 22-24/25 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
F: 10

 N-Cbz-L-homoserine lactone , its cas register number is 35677-89-5. It also can be called N-((3R)-2-Oxo(3-3,4,5-trihydrofuryl))(phenylmethoxy)carboxamide .