1,2,4-Trichloro-3,5,6-trimethylbenzene CAS 10203-45-9

Purity 97%+In StockPharmaceutical Standards
CAS No.10203-45-9
Molecular FormulaC9H9Cl3
Molecular Weight223.53 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,2,4-Trichloro-3,5,6-trimethylbenzene CAS 10203-45-9 chemical structure

Description

1,2,4-Trichloro-3,5,6-trimethylbenzene (CAS 10203-45-9) is a high-purity analytical reference standard with the molecular formula C9H9Cl3 and a molecular weight of 223.53 g/mol.

Based on its molecular formula C9H9Cl3, 1,2,4-Trichloro-3,5,6-trimethylbenzene contains chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 223.53 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.

As a certified reference material (CRM), 1,2,4-Trichloro-3,5,6-trimethylbenzene 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 FormulaC9H9Cl3
Molecular Weight223.53 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959
Halogen ContentCl-containing

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