2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid CAS 1239843-15-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1239843-15-2
Molecular FormulaC20H25NO3
Molecular Weight327.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid CAS 1239843-15-2 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 2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid.

2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid (CAS 1239843-15-2), molecular formula C20H25NO3 and molecular weight 327.42 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid (C20H25NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 327.42 g/mol, it falls into the moderately-high-molecular-weight range. 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.

CATO manufactures 2-Cyclohexyl-1-oxo-1,4-dihydro-2H-spiro[cyclopentane-1,3-isoquinoline]-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H25NO3
Molecular Weight327.42 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms1

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