2,5-Dibromothiophene-3-carbonitrile CAS 18792-01-3

Purity 97%+In StockPharmaceutical Standards
CAS No.18792-01-3
Molecular FormulaC5HBr2NS
Molecular Weight266.94 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Dibromothiophene-3-carbonitrile CAS 18792-01-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,5-Dibromothiophene-3-carbonitrile.

2,5-Dibromothiophene-3-carbonitrile (CAS 18792-01-3), molecular formula C5HBr2NS and molecular weight 266.94 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 2,5-Dibromothiophene-3-carbonitrile (C5HBr2NS) is characterized by a nitrile group, sulfur-containing functionality, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC5HBr2NS
Molecular Weight266.94 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1962
Halogen ContentBr-containing
Nitrogen Atoms1
Sulfur Atoms1

Related Dibromothiophene Standards

Recommended Standards

Why CATO?