5-(Benzenesulfonyl)-7-bromo-5H-pyrrolo[2,3-b]pyrazine CAS 1262309-85-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1262309-85-2
Molecular FormulaC12H8BrN3O2S
Molecular Weight338.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(Benzenesulfonyl)-7-bromo-5H-pyrrolo[2,3-b]pyrazine CAS 1262309-85-2 chemical structure

Description

5-(Benzenesulfonyl)-7-bromo-5H-pyrrolo[2,3-b]pyrazine (CAS 1262309-85-2), molecular formula C12H8BrN3O2S and molecular weight 338.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H8BrN3O2S, 5-(Benzenesulfonyl)-7-bromo-5H-pyrrolo[2,3-b]pyrazine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.18 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).

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.

CATO manufactures 5-(Benzenesulfonyl)-7-bromo-5H-pyrrolo[2,3-b]pyrazine 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 FormulaC12H8BrN3O2S
Molecular Weight338.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentBr-containing
Nitrogen Atoms3
Sulfur Atoms1

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