| C15H14ClNO4S | F(000) = 704 |
| Mr = 339.78 | Dx = 1.449 Mg m−3 |
| Monoclinic, P21/c | Melting point: 388 K |
| Hall symbol: -P 2ybc | Mo Kα radiation, λ = 0.71073 Å |
| a = 18.549 (4) Å | Cell parameters from 25 reflections |
| b = 9.935 (2) Å | θ = 8–12° |
| c = 8.5190 (17) Å | µ = 0.40 mm−1 |
| β = 97.34 (3)° | T = 293 K |
| V = 1557.1 (5) Å3 | Needle, colourless |
| Z = 4 | 0.30 × 0.10 × 0.05 mm |