(R)-2-Amino-2-phenylbutanoic acid CAS 33875-38-6
| CAS No. | 33875-38-6 |
| Molecular Formula | C10H13NO2 |
| Molecular Weight | 179.22 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.
(R)-2-Amino-2-phenylbutanoic acid (CAS 33875-38-6) is a high-purity analytical reference standard with the molecular formula C10H13NO2 and a molecular weight of 179.22 g/mol.
Structurally, (R)-2-Amino-2-phenylbutanoic acid (C10H13NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 179.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C10H13NO2 |
| Molecular Weight | 179.22 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1966 |
| Nitrogen Atoms | 1 |
Related R Standards
- 2-(4-Amino-2,3-dimethylphenyl)acetic acid (CAS 1009031-42-8)
- 4-Amino-4-phenylbutanoic acid (CAS 1011-60-5)
- 4-Amino-N-(pyridin-3-yl)butanamide (CAS 1016769-00-8)
- 3-Amino-2-(p-tolyl)propanoic acid (CAS 1017787-82-4)
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- 3-Amino-N-(3-methylpyridin-2-yl)propanamide (CAS 1019365-44-6)
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- (S)-2-Amino-2-(2,4-dimethylphenyl)acetic acid (CAS 1022990-85-7)
Recommended Standards
- (R)-2-(Dimethylamino)-2-phenylacetic acid (CAS 29810-09-1)
- (R)-2-Hydroxy-N,N-dimethyl-2-phenylacetamide (CAS 97315-03-2)
- (R)-2-(Benzylamino)propanoic Acid (CAS 65491-01-2)
- (R)-3-Amino-3-(m-tolyl)propanoicacid (CAS 748128-33-8)
- 2-(3-Chlorophenyl)-6-nitro-1-{[3-(trifluoromethyl)phenyl]methoxy}-1H-1,3-benzodiazole (CAS 303149-40-8)
- 3-((4-Ethoxyphenyl)amino)-1-(4-methoxyphenyl)propan-1-one (CAS 477319-99-6)
- N-Decyl-4-(2-(quinolin-4-yl)vinyl)-3-(trifluoromethyl)aniline (CAS 823216-30-4)
- Brivaracetam impurity 105 (CAS 2413102-60-8)
- 4-Methoxy-1-Methylquinolin-2-One (CAS 32262-18-3)
- Ethyl 5-bromo-7-hydroxybenzofuran-2-carboxylate (CAS 1188265-94-2)
- 3,4-Dichloro-5-nitrobenzodifluoride (CAS 1807181-24-3)
- N-(dimethyl(oxo)-lambda6-sulfanylidene)-2-hydroxyacetamide (CAS 1955557-24-0)
- (2-Fluoro-4-((methylsulfonyl)methyl)phenyl)boronic acid (CAS 1382136-96-0)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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