5,6-Difluoro-4-(trimethylsilyl)pyridine-2-carboxylic acid CAS 851386-37-3

Purity 97%+In StockPharmaceutical Standards
CAS No.851386-37-3
Molecular FormulaC9H11F2NO2Si
Molecular Weight231.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Difluoro-4-(trimethylsilyl)pyridine-2-carboxylic acid CAS 851386-37-3 chemical structure

Description

CATO manufactures 5,6-Difluoro-4-(trimethylsilyl)pyridine-2-carboxylic acid 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.

5,6-Difluoro-4-(trimethylsilyl)pyridine-2-carboxylic acid (CAS 851386-37-3) is a high-purity analytical reference standard with the molecular formula C9H11F2NO2Si and a molecular weight of 231.27 g/mol.

Structurally, 5,6-Difluoro-4-(trimethylsilyl)pyridine-2-carboxylic acid (C9H11F2NO2Si) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 231.27 g/mol, it falls into the medium-molecular-weight range. 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.

Physical & Chemical Properties

Molecular FormulaC9H11F2NO2Si
Molecular Weight231.27 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms1

Related Difluoro Standards

Recommended Standards

Why CATO?