Oxalic Acid-13C2 Dibutyl Ester CAS 1391053-49-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1391053-49-8
Molecular FormulaC8[13C]2H18O4
Molecular Weight204.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Oxalic Acid-13C2 Dibutyl Ester CAS 1391053-49-8 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.

Oxalic Acid-13C2 Dibutyl Ester (CAS 1391053-49-8), molecular formula C8[13C]2H18O4 and molecular weight 204.23 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Oxalic Acid-13C2 Dibutyl Ester (C8[13C]2H18O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. 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 204.23 g/mol, it falls into the medium-molecular-weight range.

As a certified reference material (CRM), Oxalic Acid-13C2 Dibutyl Ester 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 FormulaC8[13C]2H18O4
Molecular Weight204.23 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1991

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