3,7-Dimethylquinoline CAS 20668-28-4

Purity 97%+In StockPharmaceutical Standards
CAS No.20668-28-4
Molecular FormulaC11H11N
Molecular Weight157.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,7-Dimethylquinoline CAS 20668-28-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 157.21 g/mol gives 3,7-Dimethylquinoline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3,7-Dimethylquinoline (CAS 20668-28-4), molecular formula C11H11N and molecular weight 157.21 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H11N, 3,7-Dimethylquinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 157.21 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 3,7-Dimethylquinoline 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 FormulaC11H11N
Molecular Weight157.21 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms1

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