Cu(II)(rel-(1R,4R,8S,11S)1,4,8,11-tetra-azacyclotetradecane) CAS 125948-99-4

Purity 97%+In StockPharmaceutical Standards
CAS No.125948-99-4
Molecular FormulaC11H19NO2
Molecular Weight197.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Cu(II)(rel-(1R,4R,8S,11S)1,4,8,11-tetra-azacyclotetradecane) CAS 125948-99-4 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.

Cu(II)(rel-(1R,4R,8S,11S)1,4,8,11-tetra-azacyclotetradecane) (CAS 125948-99-4), molecular formula C11H19NO2 and molecular weight 197.27 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Cu(II)(rel-(1R,4R,8S,11S)1,4,8,11-tetra-azacyclotetradecane) (C11H19NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 197.27 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), Cu(II)(rel-(1R,4R,8S,11S)1,4,8,11-tetra-azacyclotetradecane) 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 FormulaC11H19NO2
Molecular Weight197.27 g/mol
AppearanceWhite to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1992
Nitrogen Atoms1

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