Maleic anhydride-<SUP>13</SUP>C<SUB>4</SUB> CAS 1161736-58-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1161736-58-8
Molecular Formula[13C]4H2O3
Molecular Weight102.03 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Maleic anhydride-<SUP>13</SUP>C<SUB>4</SUB> CAS 1161736-58-8 chemical structure

Description

Structurally, Maleic anhydride-<SUP>13</SUP>C<SUB>4</SUB> ([13C]4H2O3) contains an organic framework. 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 102.03 g/mol, it falls into the low-molecular-weight range.

CATO supplies Maleic anhydride-<SUP>13</SUP>C<SUB>4</SUB> (CAS 1161736-58-8), a certified reference material (molecular formula [13C]4H2O3, MW 102.03 g/mol) for analytical method development and quality control.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular Formula[13C]4H2O3
Molecular Weight102.03 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1989

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