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Home/Compounds/Research Reagent/4-nitrosoantipyrine
C11H11N3O2
217.22 g/mol
Research ReagentWarning

4-Nitrosoantipyrine

CAS885-11-0EC212-941-6
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound

4-Nitrosoantipyrine is a research compound used as a reference standard for nitrosamine impurities. It is a derivative of antipyrine with a nitroso functional group, and its structure is confirmed by the provided chemical data.

Reference standard for nitrosamine impurity analysis

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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Referencesame scaffold

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

1,5-dimethyl-4-nitroso-2-phenylpyrazol-3-one

InChIKey

IEODZSWSXNQPQL-UHFFFAOYSA-N

SMILES

CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N=O

Synonyms (15)
  • 4-Nitrosoantipyrin
  • 4-Nitrosoantipyrine
  • ANTIPYRINE, 4-NITROSO-
  • Nitrosoantipyrin
  • Nitrosoantipyrine