5-Cyclohexylthiophene-2-carboxylic acid CAS 1157723-07-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1157723-07-3
Molecular FormulaC11H14O2S
Molecular Weight210.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Cyclohexylthiophene-2-carboxylic acid CAS 1157723-07-3 chemical structure

Description

5-Cyclohexylthiophene-2-carboxylic acid (CAS 1157723-07-3) is a high-purity analytical reference standard with the molecular formula C11H14O2S and a molecular weight of 210.29 g/mol.

Structurally, 5-Cyclohexylthiophene-2-carboxylic acid (C11H14O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 210.29 g/mol, it falls into the medium-molecular-weight range. 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 FormulaC11H14O2S
Molecular Weight210.29 g/mol
Purity97%+
StorageStore at room temperature
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.)1989
Sulfur Atoms1

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