3-(4-Hydroxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one CAS 161111-65-5

Purity 97%+In StockPharmaceutical Standards
CAS No.161111-65-5
Molecular FormulaC17H10N2O2
Molecular Weight274.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Hydroxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one CAS 161111-65-5 chemical structure

Description

The occurrence of 3-(4-Hydroxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one 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.

CATO supplies 3-(4-Hydroxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one (CAS 161111-65-5), a certified reference material (molecular formula C17H10N2O2, MW 274.27 g/mol) for analytical method development and quality control.

Based on its molecular formula C17H10N2O2, 3-(4-Hydroxyphenyl)-5H-indeno[1,2-c]pyridazin-5-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 274.27 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 FormulaC17H10N2O2
Molecular Weight274.27 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms2

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