Dorzolamide Impurity 42 CAS 133359-79-2

Purity 97%+In StockPharmaceutical Standards
CAS No.133359-79-2
Molecular FormulaC9H12O2S2
Molecular Weight216.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dorzolamide Impurity 42 CAS 133359-79-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 216.32 g/mol gives Dorzolamide Impurity 42 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Dorzolamide Impurity 42 (CAS 133359-79-2) is a high-purity analytical reference standard with the molecular formula C9H12O2S2 and a molecular weight of 216.32 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Dorzolamide Impurity 42 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 216.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures Dorzolamide Impurity 42 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.

Physical & Chemical Properties

Molecular FormulaC9H12O2S2
Molecular Weight216.32 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Sulfur Atoms2

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