Molecular structure of 2,5-Anhydro-D-mannitol (CAS NO.41107-82-8) is:

Product Name: 2,5-Anhydro-D-mannitol
CAS Registry Number: 41107-82-8
IUPAC Name: (2R,3S,4S,5R)-2,5-bis(hydroxymethyl)oxolane-3,4-diol
Molecular Weight: 164.15648 [g/mol]  
Molecular Formula: C₆H₁₂O₅  
XLogP3-AA: -1.5  
H-Bond Donor: 4  
H-Bond Acceptor: 5
EINECS: 255-221-7
Melting Point: 101-103 °C(lit.)
Alpha: 56.7 °(c=1, H₂O 19 °C)
Storage temp.: 2-8 °C
Index of Refraction: 1.556 
Molar Refractivity:  35.69 cm³ 
Molar Volume: 110.8 cm³
Surface Tension: 69.6 dyne/cm 
Density: 1.48 g/cm³ 
Flash Point: 205.5 °C 
Enthalpy of Vaporization: 77.33 kJ/mol 
Boiling Point: 416.2 °C at 760 mmHg 
Vapour Pressure: 1.14E-08 mmHg at 25°C 
Product Categories: Sugars;13C & 2H Sugars;Carbohydrates & Derivatives;Inhibitors
Canonical SMILES: C(C1C(C(C(O1)CO)O)O)O
Isomeric SMILES: C([C@@H]1[C@H]([C@@H]([C@H](O1)CO)O)O)O
InChI: InChI=1S/C6H12O5/c7-1-3-5(9)6(10)4(2-8)11-3/h3-10H,1-2H2/t3-,4-,5-,6-/m1/s1 
InChIKey: MCHWWJLLPNDHGL-KVTDHHQDSA-N

 2,5-Anhydro-D-mannitol (CAS NO.41107-82-8) is a  carbohydrate metabolism regulator that has been shown to inhibit gluconeogenesis from lactate plus pyruvate and from substrates that enter the gluconeogenic pathway as triose phosphate.

Safty information about 2,5-Anhydro-D-mannitol (CAS NO.41107-82-8) is:
Hazard Codes: Xi
Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
Hazard Note: Irritant

 2,5-Anhydro-D-mannitol , its cas register number is 41107-82-8. It also can be called 2,5-Anhydromannitol ; D-Mannitol, 2,5-anhydro- (9CI) .It is a white crystalline chunks chunks.