L-Phenylalanine-d5 methyl ester hydrochloride CAS 213547-79-6
| CAS No. | 213547-79-6 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H8D5NO2HCl, L-Phenylalanine-d5 methyl ester hydrochloride contains deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
L-Phenylalanine-d5 methyl ester hydrochloride (CAS 213547-79-6), molecular formula C10H8D5NO2HCl and molecular weight 220.71 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C10H8D5NO2 HCl |
| Molecular Weight | 220.71 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related L Standards
- L-Phenylalanine tert-Butyl Ester-d5 (CAS 1177315-89-7)
- L-Phenylalanine-4-sulfonyl fluoride hydrochloride (CAS 1184173-04-3)
- D-Phenylalanine-4-sulfofluoride hydrochloride (CAS 1184173-19-0)
- DL-Phenylalanine-4-sulfofluoride hydrochloride (CAS 1184173-25-8)
- L-Phenylalanine, 4-chloro-N-[(1,1-dimethylethoxy)carbonyl]-2-fluoro- (CAS 1213690-82-4)
- L-Phenylalanine-d5 Methyl Ester Hydrochloride (CAS 1331897-23-4)
- L-Phenylalanine, N-[N-[(1,1-dimethylethoxy)carbonyl]-D-leucyl]-, phenylmethyl ester (CAS 140834-91-9)
- DL-Phenylalanine-2-d1 (CAS 14246-24-3)
Recommended Standards
- (S)-1-Methyl-5-oxo-2,5-dihydro-1H-pyrrol-2-yl acetate (CAS 175796-23-3)
- Methyl 8-methoxyimidazo[1,2-a]pyridine-3-carboxylate (CAS 2113881-23-3)
- D-5-Bromotryptophan (CAS 93299-40-2)
- 6-Chloro-4-fluoro-3-methoxy-2-nitrophenylboronic acid (CAS 2377609-08-8)
- Meropenem Impurity 11 (CAS CATO-C4X-130911)
- (R)-4-benzyl-3-(2-bromoacetyl)oxazolidin-2-one (CAS 110905-24-3)
- X69NU20D19 7790-76-3 Calcium Pyrophosphate Calcium diphosphate Diphosphoric acid, calcium salt (1:2) Dicalcium pyrophosphate, with a fluorine content of less than 0,005 % by weight on the dry anhydrous product Dicalcium pyrophosphate Calcium phosphate (Ca2P2O7) alpha-Calcium pyrophosphate Calcium pyrophosphate (Ca2P2O7) Dicalcium diphosphate EINECS 232-221-5 HSDB 1435 Pyrophosphoric acid, calcium salt (1:2) UNII-X69NU20D19 EC 232-221-5 (CAS 7790-76-3)
- 5-(4-Fluoro-2-methylbenzyl)-4-methylthiazol-2-amine (CAS 1153775-82-6)
- 4-methylpent-3-en-1-amine (CAS 13296-28-1)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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