1-ethynyl-2,4,5-trimethyl-benzene 1-ethynyl-2,4,5-trimethylbenzene 351002-92-1 A822549 CAS 351002-92-1

Purity 97%+In StockPharmaceutical Standards
CAS No.351002-92-1
Molecular FormulaC11H18
Molecular Weight150.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-ethynyl-2,4,5-trimethyl-benzene
1-ethynyl-2,4,5-trimethylbenzene
351002-92-1
A822549 CAS 351002-92-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 150.26 g/mol gives 1-ethynyl-2,4,5-trimethyl-benzene 1-ethynyl-2,4,5-trimethylbenzene 351002-92-1 A822549 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-ethynyl-2,4,5-trimethyl-benzene 1-ethynyl-2,4,5-trimethylbenzene 351002-92-1 A822549 (CAS 351002-92-1), molecular formula C11H18 and molecular weight 150.26 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-ethynyl-2,4,5-trimethyl-benzene 1-ethynyl-2,4,5-trimethylbenzene 351002-92-1 A822549 (C11H18) contains an organic framework. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 150.26 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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

As a certified reference material (CRM), 1-ethynyl-2,4,5-trimethyl-benzene 1-ethynyl-2,4,5-trimethylbenzene 351002-92-1 A822549 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 FormulaC11H18
Molecular Weight150.26 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2025

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