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Home/Compounds/Pharmaceutical Intermediate/3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one
C15H10ClN3O3
315.71 g/mol
Pharmaceutical IntermediateWarning

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

CAS55198-89-5EC642-315-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a quinoline derivative used as a pharmaceutical impurity reference standard. It is primarily employed in quality control and analytical testing to identify and quantify related impurities in drug substances.

pharmaceutical impurity reference standardanalytical testing for drug quality control

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongSame Parent

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

CAS1346604-43-0

pharmaceutical intermediate

ReferenceSame Category

(±)-tropic acid

CAS552-63-6

pharmaceutical intermediate

ReferenceSame Category

5-methyl-2-pyrazinecarboxylic acid

CAS5521-55-1

pharmaceutical intermediate

ReferenceSame Category

A-674563

CAS552325-73-2

pharmaceutical intermediate

ReferenceSame Category

3-Methyl-7-propylxanthine

CAS55242-64-3

pharmaceutical intermediate

Referencesame scaffold

3-Amino-6-nitro-4-phenyl-1H-quinolin-2-one

CAS36020-93-6

research compound

Referencesame scaffold

STK380592

CAS5220-83-7

pharmaceutical intermediate

Referencesame scaffold

3-Amino-4-(2-fluorophenyl)-1-methyl-6-nitroquinolin-2(1H)-one

CAS2512213-47-5

pharmaceutical intermediate

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Environmental Hazard
Environmental Hazard
Warning
H302Harmful if swallowed
H336May cause drowsiness or dizziness
H361Suspected of damaging fertility or the unborn child
H412Harmful to aquatic life with long lasting effects
Identifiers
IUPAC Name

3-amino-4-(2-chlorophenyl)-6-nitro-1H-quinolin-2-one

InChIKey

GYAWOVGCEQLWHW-UHFFFAOYSA-N

SMILES

C1=CC=C(C(=C1)C2=C(C(=O)NC3=C2C=C(C=C3)[N+](=O)[O-])N)Cl

Synonyms (15)
  • Clonazepam EP Impurity B
  • Clonazepam Imp. B (EP); Clonazepam USP Related Compound A; Clonazepam USP RC A; 3-Amino-4-(2-chlorophenyl)-6-nitroquinolin-2(1H)-one; Clonazepam Related Compound A; Clonazepam Impurity B
  • Clonazepam impurity B, European Pharmacopoeia (EP)
  • 3-amino-4-ClPhNCS
  • CLONAZEPAM IMPURITY B
  • Clonazepam impurity B CRS