H-Met-Arg-Phe-Ala-OH CAS 67368-29-0

Purity >95%In StockPharmaceutical Standards
CAS No.67368-29-0
Molecular FormulaC23H37N7O5S
Molecular Weight523.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Met-Arg-Phe-Ala-OH CAS 67368-29-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 523.65 g/mol gives H-Met-Arg-Phe-Ala-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

H-Met-Arg-Phe-Ala-OH (CAS 67368-29-0) is a high-purity analytical reference standard with the molecular formula C23H37N7O5S and a molecular weight of 523.65 g/mol.

H-Met-Arg-Phe-Ala-OH (C23H37N7O5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), H-Met-Arg-Phe-Ala-OH 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 FormulaC23H37N7O5S
Molecular Weight523.65 g/mol
Purity>95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Nitrogen Atoms7
Sulfur Atoms1

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