Thiamazole EP Impurity A CAS 122-07-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.122-07-6
Molecular FormulaC5H13NO2
Molecular Weight119.16 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Thiamazole EP Impurity A CAS 122-07-6 chemical structure

Description

The occurrence of Thiamazole EP Impurity A is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Thiamazole EP Impurity A (CAS 122-07-6) is a certified pharmaceutical impurity reference standard with the molecular formula C5H13NO2 and a molecular weight of 119.16 g/mol.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Thiamazole EP Impurity A is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 119.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Thiamazole EP Impurity A 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 FormulaC5H13NO2
Molecular Weight119.16 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1957
Nitrogen Atoms1

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