PYRIDO[2,3-D]PYRIMIDIN-4(1H)-ONE

Case No: 128-09-6 Chemical Formula: C₄H₄ClNO₂ Exact Mass: 132.99 Molecular Weight: 133.53 m/z: 132.99 (100.0%), 134.99 (32.0%), 134.00 (4.3%), 135.99 (1.4%) Elemental Analysis: C, 35.98; H, 3.02; Cl, 26.55; N, 10.49; O, 23.96

Case No: 7789-23-3 Chemical Formula: FK Exact Mass: 57.96 Molecular Weight: 58.10 m/z: 57.96 (100.0%), 59.96 (7.2%) Elemental Analysis: F, 32.70; K, 67.30

Case No: 7446-20-0 Chemical Formula: H₁₄O₁₁SZn Exact Mass: 285.95 Molecular Weight: 287.54 m/z: 285.95 (100.0%), 287.95 (57.4%), 289.95 (38.6%), 288.95 (8.4%), 287.95 (4.5%), 289.95 (2.6%), 287.96 (2.3%), 291.95 (1.7%), 289.96 (1.3%), 291.95 (1.3%) Elemental Analysis: H, 4.91; O, 61.20; S, 11.15; Zn, 22.74

Case No: 80-08-0 Chemical Formula: C₁₂H₁₂N_2O2S Exact Mass: 248.06 Molecular Weight: 248.30 m/z: 248.06 (100.0%), 249.07 (13.0%), 250.06 (4.5%) Elemental Analysis: C, 58.05; H, 4.87; N, 11.28; O, 12.89; S, 12.91