2-Bromo-7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine CAS 875781-45-6

Description

Compared with other compounds in its class, the molecular weight of 478.10 g/mol gives 2-Bromo-7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Bromo-7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine (CAS 875781-45-6) is a high-purity analytical reference standard with the molecular formula C13H9BrIN3O2S and a molecular weight of 478.10 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine/iodine substitution, 2-Bromo-7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 478.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

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

As a certified reference material (CRM), 2-Bromo-7-iodo-5-(4-methylbenzenesulfonyl)-5H-pyrrolo[2,3-b]pyrazine 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

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