Br-PEG3-CH2COOH CAS 1346502-15-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1346502-15-5
Molecular FormulaC8H15BrO5
Molecular Weight271.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Br-PEG3-CH2COOH CAS 1346502-15-5 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.

Br-PEG3-CH2COOH (CAS 1346502-15-5) is a high-purity analytical reference standard with the molecular formula C8H15BrO5 and a molecular weight of 271.11 g/mol.

Structurally, Br-PEG3-CH2COOH (C8H15BrO5) 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 271.11 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), Br-PEG3-CH2COOH 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 FormulaC8H15BrO5
Molecular Weight271.11 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1991
Halogen ContentBr-containing

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