(2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile CAS 956923-23-2

Purity 97%+In StockPharmaceutical Standards
CAS No.956923-23-2
Molecular FormulaC27H21N3O2S
Molecular Weight451.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile CAS 956923-23-2 chemical structure

Description

The occurrence of (2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile (CAS 956923-23-2), molecular formula C27H21N3O2S and molecular weight 451.54 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (2Z)-2-(Benzenesulfonyl)-3-[3-(2,3-dihydro-1H-inden-5-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile (C27H21N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 451.54 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).

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

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC27H21N3O2S
Molecular Weight451.54 g/mol
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
Degree of Unsaturation (DBE)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms3
Sulfur Atoms1

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