I91BP9H8PF 65907-75-7 1,4-Phenanthrenedione, 3-hydroxy-2-(2-hydroxy-1-methylethyl)-8-methyl- UNII-I91BP9H8PF Danshenxinkun A CAS 65907-75-7

Purity 97%+In StockPharmaceutical Standards
CAS No.65907-75-7
Molecular FormulaC18H16O4
Molecular Weight296.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

I91BP9H8PF 65907-75-7 1,4-Phenanthrenedione, 3-hydroxy-2-(2-hydroxy-1-methylethyl)-8-methyl- UNII-I91BP9H8PF Danshenxinkun A CAS 65907-75-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 296.32 g/mol gives I91BP9H8PF 65907-75-7 1,4-Phenanthrenedione, 3-hydroxy-2-(2-hydroxy-1-methylethyl)-8-methyl- UNII-I91BP9H8PF Danshenxinkun A distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies I91BP9H8PF 65907-75-7 1,4-Phenanthrenedione, 3-hydroxy-2-(2-hydroxy-1-methylethyl)-8-methyl- UNII-I91BP9H8PF Danshenxinkun A (CAS 65907-75-7), a certified reference material (molecular formula C18H16O4, MW 296.32 g/mol) for analytical method development and quality control.

Structurally, I91BP9H8PF 65907-75-7 1,4-Phenanthrenedione, 3-hydroxy-2-(2-hydroxy-1-methylethyl)-8-methyl- UNII-I91BP9H8PF Danshenxinkun A (C18H16O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 296.32 g/mol, it falls into the medium-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.

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 FormulaC18H16O4
Molecular Weight296.32 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975

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