The Nafcillin sodium, with the CAS registry number 985-16-0, is also known as 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[[(2-ethoxy-1-naphthalenyl)carbonyl]amino]-3,3-dimethyl-7-oxo-, sodiumsalt (1:1), (2S,5R,6R)-. It belongs to the product categories of Amines; Aromatics; Chiral Reagents; Heterocycles; Intermediates & Fine Chemicals; Pharmaceuticals. Its EINECS number is 213-574-4. This chemical's molecular formula is C₂₁H₂₁N₂NaO₅S and molecular weight is 436.46. What's more, its systematic name is Sodium (2S-(2alpha,5alpha,6beta))-6-(((2-ethoxy-1-naphthyl)carbonyl)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate. Its classification codes are: (1)Drug / Therapeutic Agent; (2)Human Data. This chemical is a synthetic beta-lactamase-resistant penicillin used to treat infections caused by Gram-positive bacteria, in particular, species of staphylococci that are resistant to other penicillins. Its storage temperature is 0 - 5°C.

Physical properties of Nafcillin sodium are: (1)#H bond acceptors: 7; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 5; (4)Polar Surface Area: 121.24 Å².

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].O=C(O)[C@@H]3N4C(=O)[C@@H](NC(=O)c1c2ccccc2ccc1OCC)[C@H]4SC3(C)C
(2)Std. InChI: InChI=1S/C21H22N2O5S.Na/c1-4-28-13-10-9-11-7-5-6-8-12(11)14(13)17(24)22-15-18(25)23-16(20(26)27)21(2,3)29-19(15)23;/h5-10,15-16,19H,4H2,1-3H3,(H,22,24)(H,26,27);/q;+1/t15-,16+,19-;/m1./s1
(3)Std. InChIKey: AYAPZOUDXCDGIF-FRFVDRIFSA-N

The toxicity data is as follows: