4-((6-Ethyl-2-methylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid CAS 723744-35-2

Description

Compared with other compounds in its class, the molecular weight of 279.36 g/mol gives 4-((6-Ethyl-2-methylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-((6-Ethyl-2-methylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid (CAS 723744-35-2), molecular formula C13H17N3O2S and molecular weight 279.36 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-((6-Ethyl-2-methylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 279.36 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-((6-Ethyl-2-methylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com