C8 H10 N2 O S 182.243 (3R)-3-(thiophen-2-yl)piperazin-2-one N 0 Corina N 2026-07-23 14YA N 2026-07-31 RCSB REL HETAIN A1DO4 non-polymer O1 0 5.569 27.683 -9.270 1 N O1 A1DO4 N 0.734 -2.109 -0.341 1 N O C1 0 5.620 28.918 -9.286 1 N C1 A1DO4 N 1.266 -1.043 -0.113 2 N C N1 0 6.550 29.566 -9.986 1 N N1 A1DO4 N 2.452 -0.787 -0.676 3 N N C2 0 6.983 30.951 -9.823 1 N C2 A1DO4 N 3.159 0.478 -0.495 4 N C C3 0 6.072 31.681 -8.864 1 N C3 A1DO4 N 2.606 1.218 0.725 5 N C N2 0 4.694 31.162 -8.916 1 N N2 A1DO4 N 1.140 1.275 0.618 6 N N C4 0 4.626 29.755 -8.471 1 N C4 A1DO4 N 0.564 -0.065 0.785 7 R C C5 0 3.184 29.279 -8.535 1 Y C5 A1DO4 N -0.902 -0.029 0.437 8 N C C6 0 2.036 30.055 -8.275 1 Y C6 A1DO4 N -1.866 -0.666 1.102 9 N C C7 0 0.862 29.210 -8.205 1 Y C7 A1DO4 N -3.142 -0.485 0.597 10 N C C8 0 1.111 27.932 -8.591 1 Y C8 A1DO4 N -3.214 0.299 -0.480 11 N C S1 0 2.775 27.661 -8.926 1 Y S1 A1DO4 N -1.604 0.865 -0.906 12 N S H1 0 7.004 29.043 -10.707 1 N H1 A1DO4 N 2.860 -1.471 -1.229 13 N H H2 0 8.010 30.965 -9.429 1 N H2 A1DO4 N 4.221 0.280 -0.347 14 N H H3 0 6.959 31.455 -10.800 1 N H3 A1DO4 N 3.028 1.096 -1.383 15 N H H4 0 6.460 31.559 -7.842 1 N H4 A1DO4 N 2.887 0.685 1.634 16 N H H5 0 6.060 32.749 -9.127 1 N H5 A1DO4 N 3.011 2.230 0.752 17 N H H6 0 4.115 31.719 -8.321 1 N H6 A1DO4 N 0.753 1.921 1.289 18 N H H8 0 4.944 29.713 -7.419 1 N H7 A1DO4 N 0.680 -0.378 1.822 19 N H H9 0 2.033 31.127 -8.146 1 N H8 A1DO4 N -1.667 -1.278 1.970 20 N H H10 0 -0.107 29.559 -7.881 1 N H9 A1DO4 N -4.013 -0.945 1.040 21 N H H11 0 0.349 27.171 -8.678 1 N H10 A1DO4 N -4.122 0.551 -1.007 22 N H N 1 N doub N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing Y 8 N doub Y 9 N sing Y 10 N doub Y 11 N sing N 12 N sing Y 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N sing N 20 N sing N 21 N sing N 22 N sing N 23 N sing RCSB RCSB O=C1NCCNC1c1cccs1 InChI=1S/C8H10N2OS/c11-8-7(9-3-4-10-8)6-2-1-5-12-6/h1-2,5,7,9H,3-4H2,(H,10,11)/t7-/m0/s1 BBACKDMGYMXYLE-ZETCQYMHSA-N O=C1NCCN[C@H]1c2sccc2 O=C1NCCN[CH]1c2sccc2 c1cc(sc1)[C@H]2C(=O)NCCN2 c1cc(sc1)C2C(=O)NCCN2 (3R)-3-(thiophen-2-yl)piperazin-2-one (3~{R})-3-thiophen-2-ylpiperazin-2-one