methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate CAS 113387-75-0

Purity 97%+In StockPharmaceutical Standards
CAS No.113387-75-0
Molecular FormulaC9H8N2O3S
Molecular Weight224.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate CAS 113387-75-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 224.24 g/mol gives methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate (CAS 113387-75-0), molecular formula C9H8N2O3S and molecular weight 224.24 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H8N2O3S, methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

CATO manufactures methyl 3-hydroxy-5-(1H-pyrazol-1-yl)thiophene-2-carboxylate 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 FormulaC9H8N2O3S
Molecular Weight224.24 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms2
Sulfur Atoms1

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