Thiamazole (also known as methimazole) is an antithyroid drug that is generally used in the management of hyperthyroidism. Its impurity profile consists of structurally related analogs, residual solvents, and degradation products. These impurities can be formed under stress conditions such as hydrolysis, oxidation, and photolysis. Typical degradation pathways of Thiamazole API involve oxidative breakdown of the thioimidazole ring, hydrolytic cleavage of amide bonds, and rearrangement of sulfur-containing moieties. These impurities may affect the potency, stability, and safety of the drug. Hence, all Thiamazole impurities are structurally characterized and qualified according to ICH guidelines for toxicological assessment and analytical validation.
We provide the pharmacopeial and non-pharmacopeial Thiamazole impurity compounds that are available in compliance with European Pharmacopoeia (EP) specifications. These standards can be used for the support of analytical method development, impurity profiling, and long-term stability studies. Therefore, the EP traceable products are synthesized and supplied with validated analytical data. The corresponding analytical data, includes purity, structural confirmation, and spectral characterization.
Structurally related compounds and synthetic analogs associated with Thiamazole are included for impurity identification, toxicological qualification, and regulatory submission. These related substances are used in forced degradation studies, genotoxicity assessments, and impurity threshold evaluations. They are essential for understanding the impurity profile and ensuring compliance with regulatory limits.
Thiamazole impurity reference standards are provided with validated analytical data, including purity, NMR, MS, and full Certificates of Analysis. These standards are used in pharmaceutical research, method validation, and GMP-compliant quality control. EP/USP traceable entries are available upon request and are routinely re-tested to ensure consistency and reliability.
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