H-Arg-Ser-Arg-OH CAS 115035-42-2

Purity 97%+In StockPharmaceutical Standards
CAS No.115035-42-2
Molecular FormulaC15H31N9O5
Molecular Weight417.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-Arg-Ser-Arg-OH CAS 115035-42-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 417.46 g/mol gives H-Arg-Ser-Arg-OH distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

H-Arg-Ser-Arg-OH (CAS 115035-42-2), molecular formula C15H31N9O5 and molecular weight 417.46 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H31N9O5, H-Arg-Ser-Arg-OH 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 417.46 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), H-Arg-Ser-Arg-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 FormulaC15H31N9O5
Molecular Weight417.46 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms9

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