Molecular Structure of Mezlocillin (CAS NO.51481-65-3):

IUPAC Name: (2S,5R,6R)-3,3-dimethyl-6-[[(2R)-2-[(3-methylsulfonyl-2-oxoimidazolidine-1-carbonyl)amino]-2-phenylacetyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Molecular Formula: C₂₁H₂₅N₅O₈S₂
Molecular Weight: 539.58
EINECS: 257-233-8
H bond acceptors: 13
H bond donors: 3
Freely Rotating Bonds: 6
Polar Surface Area: 178.6Ų
Index of Refraction: 1.701
Molar Refractivity: 127.9 cm³
Molar Volume: 330.4 cm³
Surface Tension: 88.9 dyne/cm
Density: 1.63 g/cm³
InChI
InChI=1/C21H25N5O8S2/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)/t12?,13-,14+,17-/m1/sI
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

Moderately toxic by intravenous route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SO_x, NO_x, and Na₂O.

  Mezlocillin , with CAS number of 51481-65-3, can be called (2s-(2-alpha,5-alpha,6-beta)(s*))-sodiumsal ; 4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylicacid,3,3-dimethyl-6-(((((3-(met ; antibioticbay-f1353 ; 3,3-dimethyl-7-[[2-[(3-methylsulfonyl-2-oxo-imidazolidin-1-yl)carbonylamino]-2-phenyl-acetyl]amino]-6-oxo-2-thia-5-azabicyclo[3.2.0]heptane-4-carboxylic acid ; Melocillin sodium ; Meloxacam acid ; Mezlocillin acid . Mezlocillin (CAS NO.51481-65-3) is a broad-spectrum penicillin antibiotic. It is active against some Gram-positive bacteria and both Gram-negative.