Molecular Structure of Sodium (2S,5R,6R)-3,3-dimethyl-6-((R)-2-(3-(methylsulfonyl)-2-oxo-1-imidazolidinecarboxamido)-2-phenylacetamido)-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate (CAS NO.59798-30-0):

IUPAC Name: sodium (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[[2-[(2-oxoimidazolidine-1-carbonyl)amino]-2-phenylacetyl]amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 
Empirical Formula: C₂₁H₂₄N₅NaO₈S₂
Molecular Weight: 561.5637
H bond acceptors: 13
H bond donors: 3
Freely Rotating Bonds: 6
Polar Surface Area: 189.6Ų
Product Categories: Miscellaneous
InChI
InChI=1/C21H25N5O8S2.Na/c1-21(2)14(18(29)30)26-16(28)13(17(26)35-21)22-15(27)12(11-7-5-4-6-8-11)23-19(31)24-9-10-25(20(24)32)36(3,33)34;/h4-8,12-14,17H,9-10H2,1-3H3,(H,22,27)(H,23,31)(H,29,30);/q;+1/p-1
Smiles
N12[C@@H]([C@@H](NC([C@@H](c3ccccc3)NC(N3C(N(S(C)(=O)=O)CC3)=O)=O)=O)C2=O)SC(C)(C)[C@@H]1C(=O)[O-].[Na+]

 Sodium (2S,5R,6R)-3,3-dimethyl-6-((R)-2-(3-(methylsulfonyl)-2-oxo-1-imidazolidinecarboxamido)-2-phenylacetamido)-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate , with CAS number of 59798-30-0, can be called 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-6-(((((3-(methylsulfonyl)-2-oxo-1-imidazolidinyl)carbonyl)amino)phenylacetyl)amino)-7-oxo-, monosodium salt, (2S-(2alpha,5alpha,6beta(S*)))- ; Mezlocillin Sodium . It is a white to slightly yellow cryst. powder.