Molecular structure of Panthenol (CAS NO.16485-10-2) is:

Product Name: Panthenol
CAS Registry Number: 16485-10-2
IUPAC Name: 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutanamide
Molecular Weight: 205.25146 [g/mol]
Molecular Formula: C₉H₁₉NO₄
XLogP3-AA: -0.9
H-Bond Donor: 4
H-Bond Acceptor: 4 
EINECS: 240-540-6
Melting Point: 66-69 °C(lit.)
Surface Tension: 49.1 dyne/cm
Density: 1.166 g/cm³
Flash Point: 246.3 °C 
Sensitive: Hygroscopic
Enthalpy of Vaporization: 86.28 kJ/mol
Boiling Point: 483.6 °C at 760 mmHg
Vapour Pressure: 2.21E-11 mmHg at 25°C
Product Categories: Pharmaceutical Intermediates;Vitamin Ingredients

Safty information about Panthenol (CAS NO.16485-10-2) is:
Hazard Codes: Xn
Risk Statements: 36/37/38-48-41-37/38-20/21/22 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R48:Danger of serious damage to health by prolonged exposure. 
R41:Risk of serious damage to the eyes. 
R37/38:Irritating to respiratory system and skin. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-37-45-36/37/39-22
WGK Germany: 3
RTECS: ES4316500
F: 3

 Panthenol , its cas register number is 16485-10-2. It also can be called Zentinic ; (+-)-2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide ; (+-)-Pantothenyl alcohol ; 2,4-Dihydroxy-N-(3-hydroxypropyl)-3,3-dimethylbutyramide ; Alcool DL-pantotenilico ; Butanamide, 2,4-dihydroxy-N-(3-hydroxypropyl)-3,3-dimethyl-, (+-)- ; DL-Panthenol ; DL-Pantothenol ; DL-Pantothenyl alcohol .