Tretinoin Impurity 21 CAS CATO-C4X-196921

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-196921
Molecular FormulaC14H20O
Molecular Weight204.31 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tretinoin Impurity 21 CAS CATO-C4X-196921 chemical structure

Description

CATO manufactures Tretinoin Impurity 21 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.

Tretinoin Impurity 21 (CAS CATO-C4X-196921) is a certified pharmaceutical impurity reference standard with the molecular formula C14H20O and a molecular weight of 204.31 g/mol.

Owing to a hydroxyl group, an ether linkage, an aromatic ring system, Tretinoin Impurity 21 is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 204.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC14H20O
Molecular Weight204.31 g/mol
Purity>95%
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present

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