1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole CAS 501443-59-0

Description

Compared with other compounds in its class, the molecular weight of 223.25 g/mol gives 1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole (CAS 501443-59-0), molecular formula C9H9N3O2S and molecular weight 223.25 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 223.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 1-(5-Ethyl-3-nitrothiophen-2-yl)-1H-pyrazole 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

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