N-20:4 L-Serine (ARA-S) CAS 1246355-55-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1246355-55-4
Molecular FormulaC23H37NO4
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-20:4 L-Serine (ARA-S) CAS 1246355-55-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 414.54 g/mol gives N-20:4 L-Serine (ARA-S) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies N-20:4 L-Serine (ARA-S) (CAS 1246355-55-4), a certified reference material (molecular formula C23H37NO4Na, MW 414.54 g/mol) for analytical method development and quality control.

Based on its molecular formula C23H37NO4Na, N-20:4 L-Serine (ARA-S) contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 414.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), N-20:4 L-Serine (ARA-S) 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 FormulaC23H37NO4 Na
Molecular Weight414.54 g/mol
AppearanceOff-white to pale 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms1

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