H-Phe-Arg-Arg-OH CAS 150398-22-4

Purity >95%In StockPharmaceutical Standards
CAS No.150398-22-4
Molecular FormulaC21H35N9O4
Molecular Weight477.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Phe-Arg-Arg-OH CAS 150398-22-4 chemical structure

Description

The occurrence of H-Phe-Arg-Arg-OH is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

H-Phe-Arg-Arg-OH (CAS 150398-22-4) is a high-purity analytical reference standard with the molecular formula C21H35N9O4 and a molecular weight of 477.56 g/mol.

Based on its molecular formula C21H35N9O4, H-Phe-Arg-Arg-OH contains a flavonoid 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 477.56 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.

CATO manufactures H-Phe-Arg-Arg-OH under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H35N9O4
Molecular Weight477.56 g/mol
AppearancePale yellow to yellow crystalline powder
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.)1999
Nitrogen Atoms9

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