Ketotifen EP Impurity G

About Ketotifen EP Impurity G

Ketotifen EP Impurity G is a pharmacopeial impurity of Ketotifen carrying the CAS registry number 43076-16-0. Its molecular formula is C19H17NO2S and its molecular weight is 323.4 g/mol. Systematically, it is named 2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaene-8,9-dione. It is also known as Ketotifen EP Impurity G (Mixture of Isomers) or Ketotifen Fumarate EP Impurity G.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ketotifen, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in 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

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Ketotifen

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

Ketotifen impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ketotifen EP Impurity G
Catalogue No.	VQ-022905
CAS Number	43076-16-0
IUPAC name	2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaene-8,9-dione
Molecular formula	C₁₉H₁₇NO₂S
Molecular weight	323.4 g/mol
Exact mass	323.098
Grade	Reference Standard
HSN code	38229090
InChIKey	SEWPKRUDHMXTMH-UHFFFAOYSA-N
SMILES	CN1CCC(=C2C3=C(C(=O)C(=O)C4=CC=CC=C42)SC=C3)CC1
PubChem CID	323313

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 4
TPSA	65.6 Å²
Synonyms	Ketotifen EP Impurity G (Mixture of Isomers), Ketotifen Fumarate EP Impurity G, Ketotifen Fumarate - Impurity G, 9,10-Dioxo Ketotifen, Ketotifen Impurity G, 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione, 4-(1-Methyl-4-piperidinylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione, 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione, 4H-Benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione, 4-(1-methyl-4-piperidinylidene)-

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 Ketotifen EP Impurity G?

The CAS Registry Number of Ketotifen EP Impurity G is 43076-16-0. It is also known as Ketotifen EP Impurity G (Mixture of Isomers), Ketotifen Fumarate EP Impurity G, Ketotifen Fumarate - Impurity G.

What is the molecular formula and molecular weight of Ketotifen EP Impurity G?

Ketotifen EP Impurity G has the molecular formula C19H17NO2S and a molecular weight of 323.4 g/mol. Its IUPAC name is 2-(1-methylpiperidin-4-ylidene)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaene-8,9-dione.

What is Ketotifen EP Impurity G used for?

Ketotifen EP Impurity G is supplied as a characterised reference material related to Ketotifen. 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 Ketotifen EP Impurity G can I order?

We supply Ketotifen EP Impurity G 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 Ketotifen EP Impurity G?

Yes. Every lot of Ketotifen EP Impurity G 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 Ketotifen EP Impurity G be shipped internationally?

Yes. We export Ketotifen EP Impurity G worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.