DL-α-Phenyl-d5-glycine CAS 358731-96-1
| CAS No. | 358731-96-1 |
| Molecular Formula | - |
| Molecular Weight | 156.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
DL-α-Phenyl-d5-glycine (CAS 358731-96-1) is a high-purity analytical reference standard with the molecular formula C8H4D5NO2 and a molecular weight of 156.19 g/mol.
Based on its molecular formula C8H4D5NO2, DL-α-Phenyl-d5-glycine contains deuterium isotope labeling, 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 156.19 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.
Physical & Chemical Properties
| Molecular Formula | C8H4D5NO2 |
| Molecular Weight | 156.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 8-methyl-1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one (CAS 77668-03-2)
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- 7-methyl-1H,4H-pyrazolo[1,5-a][1,3,5]triazin-4-one (CAS 55457-11-9)
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- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
Why CATO?
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