5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophe… 220991-61-7

Name: 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one
Brand: Vaqora Chemicals
SKU: VQ-027868

About 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one

Vaqora Chemicals supplies 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one, an impurity of Robenacoxib registered under CAS number 220991-61-7. Its molecular formula is C16H11F4NO and its molecular weight is 309.26 g/mol. Systematically, it is named 5-ethyl-1-(2,3,5,6-tetrafluorophenyl)-3H-indol-2-one. Common synonyms include N-(2,3,5,6-tetrafluorophenyl)-5-ethyloxindole.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This Robenacoxib impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Robenacoxib

View every impurity, metabolite and intermediate we list for Robenacoxib.

Robenacoxib impurities

Specifications & identifiers

Chemical identifiers
Product name	5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one
Catalogue No.	VQ-027868
CAS Number	220991-61-7
IUPAC name	5-ethyl-1-(2,3,5,6-tetrafluorophenyl)-3H-indol-2-one
Molecular formula	C₁₆H₁₁F₄NO
Molecular weight	309.26 g/mol
Exact mass	309.0777
Grade	Reference Standard
HSN code	38229090
InChIKey	DZTYHNMGAJRMOV-UHFFFAOYSA-N
SMILES	CCC1=CC2=C(C=C1)N(C(=O)C2)C3=C(C(=CC(=C3F)F)F)F
PubChem CID	21938652

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	0 / 5
TPSA	20.3 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one?

The CAS Registry Number of 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one is 220991-61-7. It is also known as 5-Ethyl-1-(2,3,5,6-tetrafluorophenyl)indolin-2-one, N-(2,3,5,6-tetrafluorophenyl)-5-ethyloxindole.

What is the molecular formula and molecular weight of 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one?

5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one has the molecular formula C16H11F4NO and a molecular weight of 309.26 g/mol. Its IUPAC name is 5-ethyl-1-(2,3,5,6-tetrafluorophenyl)-3H-indol-2-one.

What is 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one used for?

5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one is supplied as a characterised reference material related to Robenacoxib. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one can I order?

We supply 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one?

Yes. Every lot of 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one be shipped internationally?

Yes. We export 5-Ethyl-1,3-dihydro-1-(2,3,5,6-tetrafluorophenyl)-2H-indol-2-one worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.