alpha-hydroxyhippuric acid CAS 16555-77-4
| CAS No. | 16555-77-4 |
| Molecular Formula | C9H15NO4 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.22 g/mol gives alpha-hydroxyhippuric acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies alpha-hydroxyhippuric acid (CAS 16555-77-4), a certified reference material (molecular formula C9H15NO4, MW 201.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H15NO4, alpha-hydroxyhippuric acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 201.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), alpha-hydroxyhippuric acid 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 | C9H15NO4 |
| Molecular Weight | 201.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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