1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea CAS 1396809-34-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1396809-34-9
Molecular FormulaC21H23N5O3
Molecular Weight393.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea CAS 1396809-34-9 chemical structure

Description

The occurrence of 1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea (CAS 1396809-34-9) is a high-purity analytical reference standard with the molecular formula C21H23N5O3 and a molecular weight of 393.44 g/mol.

Structurally, 1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea (C21H23N5O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 393.44 g/mol, it falls into the moderately-high-molecular-weight range. 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.

As a certified reference material (CRM), 1-(2-Methoxyphenyl)-3-{1-[3-(pyridin-3-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}urea 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 FormulaC21H23N5O3
Molecular Weight393.44 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms5

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