Br-PEG6-CH2COOtBu CAS 297162-48-2

Purity 97%+In StockPharmaceutical Standards
CAS No.297162-48-2
Molecular FormulaC18H35BrO8
Molecular Weight459.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Br-PEG6-CH2COOtBu CAS 297162-48-2 chemical structure

Description

CATO supplies Br-PEG6-CH2COOtBu (CAS 297162-48-2), a certified reference material (molecular formula C18H35BrO8, MW 459.37 g/mol) for analytical method development and quality control.

Structurally, Br-PEG6-CH2COOtBu (C18H35BrO8) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 459.37 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), Br-PEG6-CH2COOtBu 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 FormulaC18H35BrO8
Molecular Weight459.37 g/mol
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)2025
Halogen ContentBr-containing

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