Research Article
Enzymatic Transformation and Bonding of Sulfonamide Antibiotics to Model Humic Substances
Table 1
Physicochemical properties and structures of the selected sulfonamides.
| Compound CAS number Molecular weight Molar volume | Formula Structure | Physicochemical properties |
| Sulfanilamide (SAA) 63-74-1 172.2 g mol−1 120.6 cm3 | C6H8N2O2S
| −0.62 : 1.9 : 10.6 #H-Acceptor: 4 #H-Donor: 4 |
| Sulfapyridine (SPY) 144-83-2 249.3 g mol−1 174.0 cm3 | C11H11N3O2S
| 0.35 : 2.9 : 8.4 #H-Acceptor: 5 #H-Donor: 3 |
| Sulfadimethoxine (SDT) 122-11-2 310.3 g mol−1 215.2 cm3 | C12H14N4O4S
| 1.63 : 2.4 : 6.0 #H-Acceptor: 8 #H-Donor: 3 |
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