3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone(Clonazepam Impurity)

• CAT Number: R049312
• CAS Number: 55198-89-5
• Molecular Formula: C15H10ClN3O3
• Molecular Weight: 315.71
• Purity: ≥95%
• Synonyms: 3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one; USP Clonazepam Related Impurity A
• Storage: Store at +4C
• IUPAC Name: 3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one
• InChI: InChI=1S/C15H10ClN3O3/c16-11-4-2-1-3-9(11)13-10-7-8(19(21)22)5-6-12(10)18-15(20)14(13)17/h1-7H,17H2,(H,18,20)
• InChIKey: GYAWOVGCEQLWHW-UHFFFAOYSA-N
• SMILES: C1=CC=C(C(=C1)C2=C(C(=O)NC3=C2C=C(C=C3)[N+](=O)[O-])N)Cl

3-Amino-4-(2-chlorophenyl)-6-nitro-2(1H)-quinolinone (Cat No.: R049312) is a synthetic compound and a known impurity of clonazepam, a widely used benzodiazepine. It features a quinolinone core substituted with an amino group at position 3, a 2-chlorophenyl ring at position 4, and a nitro group at position 6. This impurity may arise during the synthesis or degradation of clonazepam and is closely monitored for pharmaceutical quality control. Its structural similarity to clonazepam requires careful analysis using techniques like HPLC to ensure drug purity and safety.