Catalog No. Size PriceQuantity
M11411-2 2mg solid $115
M11411-10 10mg solid $345


Merafloxacin, also known as CI 934, is a fluoroquinolone antibacterial, which was also identified as a −1 PRF inhibitor of SARS-CoV-2. Frameshift inhibition by merafloxacin is robust to mutations within the pseudoknot region and is similarly effective on −1 PRF of other beta coronaviruses. Importantly, frameshift inhibition by merafloxacin substantially impedes SARS-CoV-2 replication in Vero E6 cells, thereby providing the proof of principle of targeting −1 PRF as an effective antiviral strategy for SARS-CoV-2.

Product information

CAS Number: 91188-00-0

Molecular Weight: 379.40

Formula: C19H23F2N3O3

Chemical Name: 1-Ethyl-7-[3-[(ethylamino)methyl]-1-pyrrolidinyl]-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

Smiles: CCN1C=C(C(O)=O)C(=O)C2=CC(F)=C(C(F)=C12)N1CC(CNCC)CC1


InChi: InChI=1S/C19H23F2N3O3/c1-3-22-8-11-5-6-24(9-11)17-14(20)7-12-16(15(17)21)23(4-2)10-13(18(12)25)19(26)27/h7,10-11,22H,3-6,8-9H2,1-2H3,(H,26,27)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: To be determined.

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.

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