1,1'-(2,6-Dimethylpyridine-3,5-diyl)bis(3-(4-chlorophenyl)urea) CAS 111233-11-5

Purity 97%+In StockPharmaceutical Standards
CAS No.111233-11-5
Molecular FormulaC21H19Cl2N5O2
Molecular Weight444.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1'-(2,6-Dimethylpyridine-3,5-diyl)bis(3-(4-chlorophenyl)urea) CAS 111233-11-5 chemical structure

Description

Structurally, 1,1'-(2,6-Dimethylpyridine-3,5-diyl)bis(3-(4-chlorophenyl)urea) (C21H19Cl2N5O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 444.31 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

1,1'-(2,6-Dimethylpyridine-3,5-diyl)bis(3-(4-chlorophenyl)urea) (CAS 111233-11-5), molecular formula C21H19Cl2N5O2 and molecular weight 444.31 g/mol, is a CATO reference standard with documented purity and traceability.

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

CATO manufactures 1,1'-(2,6-Dimethylpyridine-3,5-diyl)bis(3-(4-chlorophenyl)urea) 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 FormulaC21H19Cl2N5O2
Molecular Weight444.31 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentCl-containing
Nitrogen Atoms5

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