3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid CAS 951893-95-1

Purity 97%+In StockPharmaceutical Standards
CAS No.951893-95-1
Molecular FormulaC11H14O3S
Molecular Weight226.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid CAS 951893-95-1 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid.

3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid (CAS 951893-95-1) is a high-purity analytical reference standard with the molecular formula C11H14O3S and a molecular weight of 226.29 g/mol.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 226.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

As a certified reference material (CRM), 3-Methyl-5-(3-methylthiophen-2-yl)-5-oxopentanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC11H14O3S
Molecular Weight226.29 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Sulfur Atoms1

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