8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one CAS 895903-76-1

Purity 97%+In StockPharmaceutical Standards
CAS No.895903-76-1
Molecular FormulaC18H22N4O2
Molecular Weight326.39 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one CAS 895903-76-1 chemical structure

Description

The occurrence of 8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one (CAS 895903-76-1), molecular formula C18H22N4O2 and molecular weight 326.39 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H22N4O2, 8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one contains a steroid 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 326.39 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), 8-Methoxy-3-(2-(piperidin-1-yl)ethyl)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one 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 FormulaC18H22N4O2
Molecular Weight326.39 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4

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