Molecular Structure of Ethyl N-Boc-piperidine-4-carboxylate (CAS NO.142851-03-4):

Systematic Name: 1-tert-Butyl 4-ethyl piperidine-1,4-dicarboxylate
SMILES: O=C(OC(C)(C)C)N1CCC(C(=O)OCC)CC1
InChI: InChI=1/C13H23NO4/c1-5-17-11(15)10-6-8-14(9-7-10)12(16)18-13(2,3)4/h10H,5-9H2,1-4H3
InChIKey: MYHJCTUTPIKNAT-UHFFFAOYAG 
Empirical Formula: C₁₃H₂₃NO₄
Molecular Weight: 257.326
Nominal Mass: 257
Average Mass: 257.326
Monoisotopic Mass: 257.162708 
H bond acceptors: 5
H bond donors: 0
Freely Rotating Bonds: 5
Index of Refraction: 1.473
Molar Refractivity: 67.02 cm³
Molar Volume: 238.8 cm³
Surface Tension: 37.9 dyne/cm
Density: 1.077 g/cm³
Flash Point: 149.7 °C
Enthalpy of Vaporization: 56.59 kJ/mol
Boiling Point: 323.9 °C at 760 mmHg
Vapour Pressure: 0.000254 mmHg at 25 °C 
Product Categories: Amino Acids and Derivatives; Heterocycles; Esters; Pyrans, Piperidines & Piperazines; Pyrans, Piperidines & Piperazines

Safety Information of Ethyl N-Boc-piperidine-4-carboxylate (CAS NO.142851-03-4):
Hazard Codes: Xn
Risk Statements: 22-37/38-41 
R22:Harmful if swallowed. 
R37/38:Irritating to respiratory system and skin. 
R41:Risk of serious damage to the eyes.
Safety Statements: 26-39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S39:Wear eye / face protection.
WGK Germany: 3
HazardClass: IRRITANT

 Ethyl N-Boc-piperidine-4-carboxylate (CAS NO.142851-03-4), its Synonyms are Ethyl 1-(tert-butoxycarbonyl)-4-piperidinecarboxylate ; Piperidine-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl ester ; 1-(1,1-Dimethylethyl)4-ethyl 1,4-piperidinedicarboxylate ; 1-(tert-Butoxycarbonyl)-4-(carboethoxy)piperidine ; 1-Boc-piperidine-4-carboxylic acid ethyl ester ; 1-tert-Butoxycarbonyl-4-ethoxycarbonylpiperidine ; 1-tert-Butoxycarbonyl-4-piperidinecarboxylic acid ethyl ester .