3-Amino-2-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one CAS 80381-64-2

Description

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.

3-Amino-2-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 80381-64-2) is a high-purity analytical reference standard with the molecular formula C10H13N3OS and a molecular weight of 223.29 g/mol.

Structurally, 3-Amino-2-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (C10H13N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 223.29 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO manufactures 3-Amino-2-ethyl-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one 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

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