6'-Hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[cyclohexa[2,5]diene-1,7'-cyclopenta[ij]isoquinolin]-4-one CAS 17127-48-9

Purity 97%+In StockPharmaceutical Standards
CAS No.17127-48-9
Molecular FormulaC18H19NO3
Molecular Weight297.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6'-Hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[cyclohexa[2,5]diene-1,7'-cyclopenta[ij]isoquinolin]-4-one CAS 17127-48-9 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.

6'-Hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[cyclohexa[2,5]diene-1,7'-cyclopenta[ij]isoquinolin]-4-one (CAS 17127-48-9) is a high-purity analytical reference standard with the molecular formula C18H19NO3 and a molecular weight of 297.35 g/mol.

Based on its molecular formula C18H19NO3, 6'-Hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[cyclohexa[2,5]diene-1,7'-cyclopenta[ij]isoquinolin]-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 297.35 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.

As a certified reference material (CRM), 6'-Hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H-spiro[cyclohexa[2,5]diene-1,7'-cyclopenta[ij]isoquinolin]-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 FormulaC18H19NO3
Molecular Weight297.35 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 chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Nitrogen Atoms1

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