(S)-3-Amino-2-phenylpropanoic acid CAS 1076-51-3
| CAS No. | 1076-51-3 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.19 g/mol gives (S)-3-Amino-2-phenylpropanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-3-Amino-2-phenylpropanoic acid (CAS 1076-51-3), molecular formula C9H11NO2 and molecular weight 165.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H11NO2, (S)-3-Amino-2-phenylpropanoic 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 165.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C9H11NO2 |
| Molecular Weight | 165.19 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related S Standards
- (R)-3-Amino-2-phenyl-propionic acid (CAS 1008-63-5)
- 1-(3-Amino-4-hydroxyphenyl)propan-2-one (CAS 101488-87-3)
- 3-Amino-N-(pyridin-4(1h)-ylidene)propanamide (CAS 107551-92-8)
- 1-(2-Amino-4-hydroxy-3-methylphenyl)ethanone (CAS 1093741-78-6)
- 4-Amino-5,6,7,8-tetrahydroquinazolin-2(3H)-one (CAS 1127-87-3)
- 4-Amino-N-ethylpyridine-2-carboxamide (CAS 1153528-27-8)
- 4-Amino-n,n-dimethylpyridine-2-carboxamide (CAS 1155076-26-8)
- (R)-3-(1-Amino-ethyl)-benzoic acid (CAS 1187930-71-7)
Recommended Standards
- 3-Propylisonicotinic acid (CAS 1081787-87-2)
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- 1,1'-(1-Methyl-1H-pyrrole-2,4-diyl)diethanone (CAS 108213-07-6)
- 5-Methoxy-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1058704-69-0)
- 1-(5-Bromo-3-chloro-2-hydroxyphenyl)ethan-1-one (CAS 331821-10-4)
- Ethyl 2-(4-amino-5-(hydroxymethyl)-2-oxopyrimidin-1(2H)-yl)acetate (CAS 944249-74-5)
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- 3-Chloro-4-(4'-fluorobenzyloxy)phenylboronic acid (CAS 849062-39-1)
- (S)-tert-Butyl 3-amino-2-methylpropanoate (CAS 725238-44-8)
- ASC-69 (APY69) (CAS 1216665-50-7)
- 2-(4-((4-Bromophenyl)sulfonyl)-1,4-diazepan-1-yl)-4,6-dimethylnicotinonitrile (CAS 478256-86-9)
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- Neuropeptide Y (3-36) (human, rat) trifluoroacetate salt (CAS 150138-78-6)
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