19-Hydroxybaccatin III CAS 78432-78-7

Purity 97%+In StockPharmaceutical Standards
CAS No.78432-78-7
Molecular FormulaC31H38O12
Molecular Weight602.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

19-Hydroxybaccatin III CAS 78432-78-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 602.63 g/mol gives 19-Hydroxybaccatin III distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 19-Hydroxybaccatin III (CAS 78432-78-7), a certified reference material (molecular formula C31H38O12, MW 602.63 g/mol) for analytical method development and quality control.

Structurally, 19-Hydroxybaccatin III (C31H38O12) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 602.63 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

As a certified reference material (CRM), 19-Hydroxybaccatin III meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC31H38O12
Molecular Weight602.63 g/mol
Purity97%+
StorageStore at room temperature, 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1979

Recommended Standards

Why CATO?