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Home/Compounds/API/Nirmatrelvir
C23H32F3N5O4
499.5 g/mol
API

Nirmatrelvir

CAS2628280-40-8
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material

Nirmatrelvir is an azabicyclohexane compound that functions as an inhibitor of the SARS-CoV-2 main protease. It is an orally administered active pharmaceutical ingredient used in combination with ritonavir as part of the COVID-19 treatment regimen Paxlovid.

component of PaxlovidSARS-CoV-2 main protease inhibitoranticoronaviral agent

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

SimilarStructure SimilarSimilarity 0.77

Descyano nirmatrelvir acetamide

CAS2755812-81-6

pharmaceutical intermediate

ReferenceSame Category

N-Nitroso-Folic Acid

CAS26360-21-4

pharmaceutical raw material

ReferenceSame Category

5-Desethoxy,-5-Methoxy-Finerenone

CAS2640280-84-6

pharmaceutical raw material

ReferenceSame Category

1-(3,4-Dihydroxyphenyl)-2-(methylamino)ethane-1-sulfonic acid

CAS26405-77-6

pharmaceutical raw material

ReferenceSame Category

Calquence

CAS2641500-53-8

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Nirmatrelvir (CAS 2628280-40-8) is 2933.79.

HS code (international, 6-digit)

2933.79

EU CN code (8-digit)

2933 79 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(1R,2S,5S)-N-[(1S)-1-cyano-2-[(3S)-2-oxopyrrolidin-3-yl]ethyl]-3-[(2S)-3,3-dimethyl-2-[(2,2,2-trifluoroacetyl)amino]butanoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide

InChIKey

LIENCHBZNNMNKG-OJFNHCPVSA-N

SMILES

CC1([C@@H]2[C@H]1[C@H](N(C2)C(=O)[C@H](C(C)(C)C)NC(=O)C(F)(F)F)C(=O)N[C@@H](C[C@@H]3CCNC3=O)C#N)C

Synonyms (26)
  • ZGW
  • Nirmatrelvir (JAN/USAN)
  • 2628280-40-8 (Unlabelled)
  • 870124 More info PF-00835231
  • Boceprevir Impurity 5
  • Nirmatrelvir
  • Nirmatrelvir (Standard)
  • PF 07321332
  • PF07321332(nirmatrelvir)
  • Paxlovid
  • Paxlovid (active component)
  • Paxlovid-d9
  • WHO 12161
  • example E61
  • science.abl4784, 6

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