L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- CAS 127656-85-3

Purity 97%+In StockPharmaceutical Standards
CAS No.127656-85-3
Molecular FormulaC33H37NO14
Molecular Weight671.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- CAS 127656-85-3 chemical structure

Description

The occurrence of L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- (CAS 127656-85-3), molecular formula C33H37NO14 and molecular weight 671.65 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C33H37NO14, L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 671.65 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).

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), L-Threonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)- 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 FormulaC33H37NO14
Molecular Weight671.65 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms1

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