methyl 3-amino-4,5-dimethylthiophene-2-carboxylate CAS 98593-57-8

Purity 97%+In StockPharmaceutical Standards
CAS No.98593-57-8
Molecular FormulaC8H11NO2S
Molecular Weight185.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

methyl 3-amino-4,5-dimethylthiophene-2-carboxylate CAS 98593-57-8 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including methyl 3-amino-4,5-dimethylthiophene-2-carboxylate.

methyl 3-amino-4,5-dimethylthiophene-2-carboxylate (CAS 98593-57-8) is a high-purity analytical reference standard with the molecular formula C8H11NO2S and a molecular weight of 185.24 g/mol.

Structurally, methyl 3-amino-4,5-dimethylthiophene-2-carboxylate (C8H11NO2S) 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 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 185.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), methyl 3-amino-4,5-dimethylthiophene-2-carboxylate 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 FormulaC8H11NO2S
Molecular Weight185.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms1
Sulfur Atoms1

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