3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione CAS 65745-83-7

Purity 97%+In StockPharmaceutical Standards
CAS No.65745-83-7
Molecular FormulaC16H20O7
Molecular Weight324.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione CAS 65745-83-7 chemical structure

Description

The occurrence of 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione (CAS 65745-83-7) is a high-purity analytical reference standard with the molecular formula C16H20O7 and a molecular weight of 324.33 g/mol.

Structurally, 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-triene-2,16-dione (C16H20O7) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 324.33 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 FormulaC16H20O7
Molecular Weight324.33 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975

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