(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid hydrochloride CAS 128223-55-2
| CAS No. | 128223-55-2 |
| Molecular Formula | C10H13NO3 |
| 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 (2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid hydrochloride.
(2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid hydrochloride (CAS 128223-55-2), molecular formula C10H13NO3HCl and molecular weight 231.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid hydrochloride (C10H13NO3HCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 231.68 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (2S,3R)-3-amino-2-hydroxy-4-phenylbutanoic acid hydrochloride 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 | C10H13NO3 HCl |
| Molecular Weight | 231.68 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 sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 7-Chloroquinaldine (CAS 4965-33-7)
- 2-(3,3,3-Trifluoropropoxy)nicotinaldehyde (CAS 1701624-13-6)
- 3-(Dimethylamino)-2-methylpropenal (CAS 19125-76-9)
- Methyl (S)-2-(4-hydroxyphenoxy)propanoate (CAS 121210-26-2)
- Sarpogrelate Impurity 3 (CAS 135963-42-7)
- (R)-2-(4-Bromophenyl)-2-((tert-butoxycarbonyl)amino)acetic acid (CAS 1228570-47-5)
- tert-Butyl N-methyl-N-[(3R,4R)-4-methylpiperidin-3-yl]carbamate (CAS 1640972-09-3)
- Tetraethylammonium (fluoride) (CAS 665-46-3)
- Methyl (2S)-2-isocyanato-3,3-dimethylbutanoate (CAS 144164-32-9)
- (DTyr27,36,DThr32)-Neuropeptide Y (27-36) (CAS 163887-48-7)
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