The CAS register number of Mometasone is 105102-22-5. It also can be called as 9a,21-Dichloro-11b,17-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione and the IUPAC name about this chemical is (8S,9R,10S,11S,13S,14S,16R,17R)-9-chloro-17-(2-chloroacetyl)-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one. The molecular formula about this chemical is C₂₂H₂₈Cl₂O₄ and molecular weight is 427.37. Classification code about this chemical are Anti-Allergic Agents and Anti-Inflammatory Agents. This chemical is a glucocorticoid steroid used topically to reduce inflammation of the skin or in the airways.

Physical properties about Mometasone are: (1)ACD/LogP: 2.91; (2)#H bond acceptors: 4; (3)#H bond donors: 2; (4)#Freely Rotating Bonds: 4; (5)Polar Surface Area: 52.6Ų; (6)Index of Refraction: 1.599; (7)Molar Refractivity: 108.25 cm³; (8)Molar Volume: 316.5 cm³; (9)Polarizability: 42.91x10^-24cm³; (10)Surface Tension: 55.5 dyne/cm; (11)Enthalpy of Vaporization: 100.56 kJ/mol; (12)Boiling Point: 586.6 °C at 760 mmHg; (13)Vapour Pressure: 3.34E-16 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: ClCC(=O)[C@]3(O)[C@]2(C[C@H](O)[C@]4(Cl)[C@@]/1(\C(=C/C(=O)\C=C\1)CC[C@H]4[C@@H]2C[C@H]3C)C)C
(2)InChI: InChI=1/C22H28Cl2O4/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,24)17(26)10-20(16,3)22(12,28)18(27)11-23/h6-7,9,12,15-17,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1
(3)InChIKey: QLIIKPVHVRXHRI-CXSFZGCWBS
(4)Std. InChI: InChI=1S/C22H28Cl2O4/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,24)17(26)10-20(16,3)22(12,28)18(27)11-23/h6-7,9,12,15-17,26,28H,4-5,8,10-11H2,1-3H3/t12-,15+,16+,17+,19+,20+,21+,22+/m1/s1
(5)Std. InChIKey: QLIIKPVHVRXHRI-CXSFZGCWSA-N