5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid CAS 115345-38-5

Purity 97%+In StockPharmaceutical Standards
CAS No.115345-38-5
Molecular FormulaC35H52N2O5S
Molecular Weight612.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid CAS 115345-38-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 612.86 g/mol gives 5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid (CAS 115345-38-5), molecular formula C35H52N2O5S and molecular weight 612.86 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C35H52N2O5S, 5-(3-Heptadecyl-4-isopropyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 612.86 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).

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 FormulaC35H52N2O5S
Molecular Weight612.86 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms2
Sulfur Atoms1

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