3,4,5-Trimethylthiophene-2-carbaldehyde CAS 78519-02-5

Purity 97%+In StockPharmaceutical Standards
CAS No.78519-02-5
Molecular FormulaC8H10OS
Molecular Weight154.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,4,5-Trimethylthiophene-2-carbaldehyde CAS 78519-02-5 chemical structure

Description

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.

3,4,5-Trimethylthiophene-2-carbaldehyde (CAS 78519-02-5), molecular formula C8H10OS and molecular weight 154.23 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system, 3,4,5-Trimethylthiophene-2-carbaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 154.23 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).

As a certified reference material (CRM), 3,4,5-Trimethylthiophene-2-carbaldehyde 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 FormulaC8H10OS
Molecular Weight154.23 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1979
Sulfur Atoms1

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Why CATO?