2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one CAS 1197-66-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1197-66-6
Molecular FormulaC9H16O2
Molecular Weight156.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one CAS 1197-66-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 156.22 g/mol gives 2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one (CAS 1197-66-6), molecular formula C9H16O2 and molecular weight 156.22 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2,2,6,6-Tetramethyl-2h-3,5,6-trihydropyran-4-one (C9H16O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 156.22 g/mol, it falls into the medium-molecular-weight range.

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 FormulaC9H16O2
Molecular Weight156.22 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957

Related Tetramethyl Standards

Recommended Standards

Why CATO?