2,6,6-Trimethyl-2-Cyclohexene-1,4-Dione CAS 1125-21-9

Purity >95%In StockPharmaceutical Standards
CAS No.1125-21-9
Molecular FormulaC9H12O2
Molecular Weight152.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,6,6-Trimethyl-2-Cyclohexene-1,4-Dione CAS 1125-21-9 chemical structure

Description

The occurrence of 2,6,6-Trimethyl-2-Cyclohexene-1,4-Dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 2,6,6-Trimethyl-2-Cyclohexene-1,4-Dione (CAS 1125-21-9), a certified reference material (molecular formula C9H12O2, MW 152.19 g/mol) for analytical method development and quality control.

Based on its molecular formula C9H12O2, 2,6,6-Trimethyl-2-Cyclohexene-1,4-Dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 152.19 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC9H12O2
Molecular Weight152.19 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>95%
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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