Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone) CAS CATO-C4X-20466

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-20466
Molecular FormulaC19H19NOS.
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone) CAS CATO-C4X-20466 chemical structure

Description

CATO manufactures Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone) (CAS CATO-C4X-20466) is a certified pharmaceutical impurity reference standard with the molecular formula N/A and a molecular weight of N/A g/mol.

Ketotifen EP Impurity F Hemifumarate (Mixture of Enol and Ketone) is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

Physical & Chemical Properties

Molecular FormulaC19H19NOS. 0.5 C4H4O4
Molecular Weight425.50 g/mol
Purity>90%
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms1
Sulfur Atoms1

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