(4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone CAS 951891-26-2

Purity 97%+In StockPharmaceutical Standards
CAS No.951891-26-2
Molecular FormulaC18H19ClO
Molecular Weight286.80 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone CAS 951891-26-2 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 (4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone.

CATO supplies (4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone (CAS 951891-26-2), a certified reference material (molecular formula C18H19ClO, MW 286.80 g/mol) for analytical method development and quality control.

Based on its molecular formula C18H19ClO, (4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 286.80 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), (4-(Tert-butyl)phenyl)(4-chloro-3-methylphenyl)methanone 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 FormulaC18H19ClO
Molecular Weight286.80 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing

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