This chemical is called Lactulose, and its CAS registry number is 4618-18-2. With the molecular formula of C₁₂H₂₂O₁₁, its product categories are Sugars, Carbohydrates & Glucosides; Basic Sugars (Mono & Oligosaccharides); Biochemistry; Disaccharides. In addition, this chemical should be sealed in the cool and dry place.

Physical properties about Lactulose are: (1)ACD/LogP: -2.885; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -2.88; (4)ACD/LogD (pH 7.4): -2.88; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 11; (10)#H bond donors: 8; (11)#Freely Rotating Bonds: 13; (12)Index of Refraction: 1.656; (13)Molar Refractivity: 70.859 cm³; (14)Molar Volume: 192.83 cm³; (15)Polarizability: 28.091 10-24cm³; (16)Surface Tension: 113.033996582031 dyne/cm; (17)Density: 1.775 g/cm³; (18)Flash Point: 365.377 °C; (19)Enthalpy of Vaporization: 114.233 kJ/mol; (20)Boiling Point: 680.539 °C at 760 mmHg

Preparation and Uses: Lactulose could be obtained by the Lactose under the action of alkali isomerization. It promotes the proliferation of intestinal bifidobacteria, and it's conducive to good health.

You can still convert the following datas into molecular structure:
1.SMILES: O[C@H]2[C@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@@H](CO)OC2(O)CO;
2.InChI: InChI=1/C12H22O11/c13-1-4-6(16)7(17)8(18)11(21-4)22-9-5(2-14)23-12(20,3-15)10(9)19/h4-11,13-20H,1-3H2/t4-,5-,6+,7+,8-,9-,10+,11+,12?/m1/s1;
3.InChIKey: JCQLYHFGKNRPGE-DNMRROERBC;

The toxicity data is as follows: