(2S,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol CAS 32149-09-0

Purity 97%+In StockPharmaceutical Standards
CAS No.32149-09-0
Molecular FormulaC10H12O2
Molecular Weight164.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol CAS 32149-09-0 chemical structure

Description

The occurrence of (2S,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol 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.

(2S,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol (CAS 32149-09-0), molecular formula C10H12O2 and molecular weight 164.20 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H12O2, (2S,4S)-2-Methyl-3,4-dihydro-2H-1-benzopyran-4-ol 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 164.20 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 FormulaC10H12O2
Molecular Weight164.20 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966

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