N-(Desmethyl)-tert-butyl Acetate Sildenafil CAS 398507-63-6

Purity 97%+In StockPharmaceutical Standards
CAS No.398507-63-6
Molecular FormulaC26H36N6O6S
Molecular Weight560.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(Desmethyl)-tert-butyl Acetate Sildenafil CAS 398507-63-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(Desmethyl)-tert-butyl Acetate Sildenafil.

N-(Desmethyl)-tert-butyl Acetate Sildenafil (CAS 398507-63-6), molecular formula C26H36N6O6S and molecular weight 560.67 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C26H36N6O6S, N-(Desmethyl)-tert-butyl Acetate Sildenafil contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 560.67 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.

As a certified reference material (CRM), N-(Desmethyl)-tert-butyl Acetate Sildenafil 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 FormulaC26H36N6O6S
Molecular Weight560.67 g/mol
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms6
Sulfur Atoms1

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