2-Ethyl 4-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate CAS 77457-04-6

Purity 97%+In StockPharmaceutical Standards
CAS No.77457-04-6
Molecular FormulaC10H13NO4S
Molecular Weight243.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Ethyl 4-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate CAS 77457-04-6 chemical structure

Description

2-Ethyl 4-methyl 5-amino-3-methylthiophene-2,4-dicarboxylate (CAS 77457-04-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H13NO4S. Molecular weight: 243.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H13NO4S
Molecular Weight243.28 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.)1979
Nitrogen Atoms1
Sulfur Atoms1

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