2-((Tert-butoxycarbonyl)amino)-5-methylthiophene-3-carboxylic acid CAS 899897-41-7

Purity 97%+In StockPharmaceutical Standards
CAS No.899897-41-7
Molecular FormulaC11H15NO4S
Molecular Weight257.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-((Tert-butoxycarbonyl)amino)-5-methylthiophene-3-carboxylic acid CAS 899897-41-7 chemical structure

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.

2-((Tert-butoxycarbonyl)amino)-5-methylthiophene-3-carboxylic acid (CAS 899897-41-7) is a high-purity analytical reference standard with the molecular formula C11H15NO4S and a molecular weight of 257.31 g/mol.

Structurally, 2-((Tert-butoxycarbonyl)amino)-5-methylthiophene-3-carboxylic acid (C11H15NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 257.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

As a certified reference material (CRM), 2-((Tert-butoxycarbonyl)amino)-5-methylthiophene-3-carboxylic 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

Molecular FormulaC11H15NO4S
Molecular Weight257.31 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1
Sulfur Atoms1

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