4685ARH0AF 323194-76-9 Sodium aspartate monohydrate UNII-4685ARH0AF L-Aspartic acid, monosodium salt, monohydrate L-Aspartic acid, sodium salt, hydrate (1:1:1) Sodium l-aspartate monohydrate CAS 323194-76-9
| CAS No. | 323194-76-9 |
| Molecular Formula | C4H6NO4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 173.10 g/mol gives 4685ARH0AF 323194-76-9 Sodium aspartate monohydrate UNII-4685ARH0AF L-Aspartic acid, monosodium salt, monohydrate L-Aspartic acid, sodium salt, hydrate (1:1:1) Sodium l-aspartate monohydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4685ARH0AF 323194-76-9 Sodium aspartate monohydrate UNII-4685ARH0AF L-Aspartic acid, monosodium salt, monohydrate L-Aspartic acid, sodium salt, hydrate (1:1:1) Sodium l-aspartate monohydrate (CAS 323194-76-9), molecular formula C4H6NO4NaH2O and molecular weight 173.10 g/mol, is a CATO reference standard with documented purity and traceability.
4685ARH0AF 323194-76-9 Sodium aspartate monohydrate UNII-4685ARH0AF L-Aspartic acid, monosodium salt, monohydrate L-Aspartic acid, sodium salt, hydrate (1:1:1) Sodium l-aspartate monohydrate (C4H6NO4NaH2O) contains a carbohydrate-derived structure, an amide group. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 4685ARH0AF 323194-76-9 Sodium aspartate monohydrate UNII-4685ARH0AF L-Aspartic acid, monosodium salt, monohydrate L-Aspartic acid, sodium salt, hydrate (1:1:1) Sodium l-aspartate monohydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H6NO4 Na H2O |
| Molecular Weight | 173.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 3-(6-Amino-2-fluoro-9H-purin-9-yl)propane-1,2-diol (CAS 86626-06-4)
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- 2-(4-Amino-5-(4-ethoxyphenyl)-1H-pyrazol-1-yl)ethanol (CAS 1707375-27-6)
- p-Hydroxy-Cinnamic Acid (CAS 7400-08-0)
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- 4-((4-Ethoxyphenyl)amino)-4-oxo-2-(piperidin-1-yl)butanoic acid (CAS 865612-86-8)
- 4-phenylpiperazine-2,6-dione (CAS 42239-75-8)
- 4-amino-5,7-dimethyl-isobenzofuran-1,3-dione (CAS 2763403-17-2)
- (S)-3-Amino-4-(2,4-dichlorophenyl)butanoic acid (CAS 270063-47-3)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
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