(R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate CAS 1068148-47-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1068148-47-9
Molecular FormulaC27H31N5O3
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate CAS 1068148-47-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 587.60 g/mol gives (R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate (CAS 1068148-47-9) is a high-purity analytical reference standard with the molecular formula C27H31N5O3C2HF3O2 and a molecular weight of 587.60 g/mol.

The molecular framework of (R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate (C27H31N5O3C2HF3O2) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), (R)-2-(2,2-Diphenylacetamido)-5-guanidino-N-(4-hydroxybenzyl)pentanamide 2,2,2-trifluoroacetate 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 FormulaC27H31N5O3 C2HF3O2
Molecular Weight587.60 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentF-containing
Nitrogen Atoms5

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