tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate CAS 502644-41-9

Purity 97%+In StockPharmaceutical Standards
CAS No.502644-41-9
Molecular FormulaC17H23ClN4O2S
Molecular Weight382.91 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate CAS 502644-41-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 382.91 g/mol gives tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate (CAS 502644-41-9) is a high-purity analytical reference standard with the molecular formula C17H23ClN4O2S and a molecular weight of 382.91 g/mol.

Based on its molecular formula C17H23ClN4O2S, tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 382.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 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 tert-Butyl 4-(2-chloro-6-ethylthieno[2,3-d]pyrimidin-4-yl)-1-piperazinecarboxylate 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 FormulaC17H23ClN4O2S
Molecular Weight382.91 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

Recommended Standards

Why CATO?