H-D-Phe-D-Phe-D-Leu-D-Lys(Ac)-γ-Pip-OH CAS CATO-CPTD788712

Purity >95%In StockPharmaceutical Standards
CAS No.CATO-CPTD788712
Molecular FormulaC38H55N7O7
Molecular Weight721.89 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

H-D-Phe-D-Phe-D-Leu-D-Lys(Ac)-γ-Pip-OH CAS CATO-CPTD788712 chemical structure

Description

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.

H-D-Phe-D-Phe-D-Leu-D-Lys(Ac)-γ-Pip-OH (CAS CATO-CPTD788712), molecular formula C38H55N7O7 and molecular weight 721.89 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, H-D-Phe-D-Phe-D-Leu-D-Lys(Ac)-γ-Pip-OH (C38H55N7O7) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 721.89 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC38H55N7O7
Molecular Weight721.89 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms7

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