4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate CAS 126938-14-5

Purity 97%+In StockPharmaceutical Standards
CAS No.126938-14-5
Molecular FormulaC16H18O11S
Molecular Weight418.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate CAS 126938-14-5 chemical structure

Description

The occurrence of 4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate is closely related to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate (CAS 126938-14-5) is a high-purity analytical reference standard with the molecular formula C16H18O11S and a molecular weight of 418.37 g/mol.

Based on its molecular formula C16H18O11S, 4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 418.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4-Methylumbelliferyl β-D-galactopyranoside-6-sulfate 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 FormulaC16H18O11S
Molecular Weight418.37 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Sulfur Atoms1

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