Fmoc-β-(7-methoxy-coumarin-4-yl)-Ala-OH CAS 524698-40-6

Purity 97%+In StockPharmaceutical Standards
CAS No.524698-40-6
Molecular FormulaC28H23NO7
Molecular Weight485.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Fmoc-β-(7-methoxy-coumarin-4-yl)-Ala-OH CAS 524698-40-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 485.48 g/mol gives Fmoc-β-(7-methoxy-coumarin-4-yl)-Ala-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Fmoc-β-(7-methoxy-coumarin-4-yl)-Ala-OH (CAS 524698-40-6), molecular formula C28H23NO7 and molecular weight 485.48 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Fmoc-β-(7-methoxy-coumarin-4-yl)-Ala-OH (C28H23NO7) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 485.48 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC28H23NO7
Molecular Weight485.48 g/mol
AppearancePale yellow to yellow crystalline powder
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)18.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Nitrogen Atoms1

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