(E)-4,6-Dichloro-3-(3-oxo-3-(phenylamino)prop-1-en-1-yl)-1H-indole-2-carboxylic acid CAS 153436-22-7

Purity 97%+In StockPharmaceutical Standards
CAS No.153436-22-7
Molecular FormulaC18H12Cl2N2O3
Molecular Weight375.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-4,6-Dichloro-3-(3-oxo-3-(phenylamino)prop-1-en-1-yl)-1H-indole-2-carboxylic acid CAS 153436-22-7 chemical structure

Description

(E)-4,6-Dichloro-3-(3-oxo-3-(phenylamino)prop-1-en-1-yl)-1H-indole-2-carboxylic acid (CAS 153436-22-7) is a high-purity analytical reference standard with the molecular formula C18H12Cl2N2O3 and a molecular weight of 375.21 g/mol.

Based on its molecular formula C18H12Cl2N2O3, (E)-4,6-Dichloro-3-(3-oxo-3-(phenylamino)prop-1-en-1-yl)-1H-indole-2-carboxylic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 375.21 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).

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.

CATO manufactures (E)-4,6-Dichloro-3-(3-oxo-3-(phenylamino)prop-1-en-1-yl)-1H-indole-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC18H12Cl2N2O3
Molecular Weight375.21 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2000
Halogen ContentCl-containing
Nitrogen Atoms2

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