Ketotifen EP Impurity C

Name: Ketotifen EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-028831

About Ketotifen EP Impurity C

Ketotifen EP Impurity C (CAS 126939-27-3) is a pharmacopeial impurity of Ketotifen offered by Vaqora Chemicals. The compound has the formula C19H21NO2S, corresponding to a molecular weight of 327.4 g/mol. Systematically, it is named 2-hydroxy-2-(1-methylpiperidin-4-yl)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one. Alternative names: Ketotifen Impurity C and Ketotifen Fumarate EP Impurity C.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Ketotifen to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. 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 C
Catalogue No.	VQ-028831
CAS Number	126939-27-3
IUPAC name	2-hydroxy-2-(1-methylpiperidin-4-yl)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one
Molecular formula	C₁₉H₂₁NO₂S
Molecular weight	327.4 g/mol
Exact mass	327.1293
Grade	Reference Standard
HSN code	38229090
InChIKey	LZPRFURMCOCGDP-UHFFFAOYSA-N
SMILES	CN1CCC(CC1)C2(C3=C(C(=O)CC4=CC=CC=C42)SC=C3)O
PubChem CID	12274855

Physical properties
Physical form	Solid
LogP (XLogP3)	2.8
H-bond donors / acceptors	1 / 4
TPSA	68.8 Å²
Synonyms	Ketotifen Impurity C, Ketotifen Fumarate EP Impurity C, Ketotifen Fumarate - Impurity C, 4-Hydroxy Ketotifen, 4-hydroxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 C?

The CAS Registry Number of Ketotifen EP Impurity C is 126939-27-3. It is also known as Ketotifen Impurity C, Ketotifen Fumarate EP Impurity C, Ketotifen Fumarate - Impurity C.

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

Ketotifen EP Impurity C has the molecular formula C19H21NO2S and a molecular weight of 327.4 g/mol. Its IUPAC name is 2-hydroxy-2-(1-methylpiperidin-4-yl)-6-thiatricyclo[8.4.0.03,7]tetradeca-1(14),3(7),4,10,12-pentaen-8-one.

What is Ketotifen EP Impurity C used for?

Ketotifen EP Impurity C 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 C can I order?

We supply Ketotifen EP Impurity C 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 C?

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

Yes. Ketotifen EP Impurity C is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.