Sodium mesoxalate monohydrate CAS 31635-99-1
| CAS No. | 31635-99-1 |
| Molecular Formula | C3H2O6 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Sodium mesoxalate monohydrate.
Sodium mesoxalate monohydrate (CAS 31635-99-1), molecular formula C3H2O6Na and molecular weight 157.03 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, an ether linkage, Sodium mesoxalate monohydrate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 157.03 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), Sodium mesoxalate monohydrate 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 Formula | C3H2O6 2*Na |
| Molecular Weight | 157.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
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- Fmoc-<I>N</I>-(4-Boc-aminobutyl)-Gly-OH (CAS 171856-09-0)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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