4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one CAS 939742-60-6

Purity 97%+In StockPharmaceutical Standards
CAS No.939742-60-6
Molecular FormulaC20H21N3O4S
Molecular Weight399.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one CAS 939742-60-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 399.46 g/mol gives 4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one (CAS 939742-60-6), a certified reference material (molecular formula C20H21N3O4S, MW 399.46 g/mol) for analytical method development and quality control.

Structurally, 4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one (C20H21N3O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 399.46 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 4-(4-Hydroxy-3-methoxyphenyl)-5-(3-methoxypropyl)-3-(thiophen-2-yl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one 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 FormulaC20H21N3O4S
Molecular Weight399.46 g/mol
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms3
Sulfur Atoms1

Related Hydroxy Standards

Recommended Standards

Why CATO?