2-Amino-2-(4-hydroxyphenyl)propanoic acid CAS 170847-08-2
| CAS No. | 170847-08-2 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 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.
CATO supplies 2-Amino-2-(4-hydroxyphenyl)propanoic acid (CAS 170847-08-2), a certified reference material (molecular formula C9H11NO3, MW 181.19 g/mol) for analytical method development and quality control.
Structurally, 2-Amino-2-(4-hydroxyphenyl)propanoic acid (C9H11NO3) 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 181.19 g/mol, it falls into the medium-molecular-weight range. 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 | C9H11NO3 |
| Molecular Weight | 181.19 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, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 1 |
Related Amino Standards
- 2-Amino-3-ethoxybenzoic acid (CAS 1015689-38-9)
- 3-Amino-3-(3-hydroxyphenyl)propanoic acid (CAS 102872-33-3)
- (2S)-2-amino-2-(2-methoxyphenyl)acetic acid (2S)-2-azanyl-2-(2-methoxyphenyl)ethanoic acid (S)-2-Methoxy-phenylglycine 103889-86-7 (CAS 103889-86-7)
- 2-Amino-1-(4-hydroxy-3-(hydroxymethyl)phenyl)ethan-1-one (CAS 1044764-21-7)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanol (CAS 1048922-42-4)
- (S)-2-Amino-2-(3-methoxyphenyl)-acetic acid (CAS 108647-55-8)
- Ethyl 2-amino-4-hydroxybenzoate (CAS 1089316-76-6)
- 2-(5-Amino-3-cyclopropyl-1H-pyrazol-1-yl)acetic acid (CAS 1119477-70-1)
Recommended Standards
- Propyl 5-formyl-1H-pyrrole-2-carboxylate (CAS 1708380-44-2)
- Methyl 5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate (CAS 1710194-45-8)
- 4-(3-Ethyl-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one (CAS 1708288-90-7)
- 5-Acetyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (CAS 17106-15-9)
- N-((2-oxocyclohexyl)methyl)furan-2-carboxamide (CAS 249303-13-7)
- n-(Sec-butyl)-4-isopropylcyclohexan-1-amine (CAS 1339412-09-7)
- (S)-1-amino-1-(3-fluoro-4-(trifluoromethyl)phenyl)-2-methylpropan-2-ol (CAS 2059964-54-2)
- 2-methylquinoline-4,6,8-triol (CAS 858474-96-1)
- cycloheptylmethyl methanesulfonate (CAS 75646-22-9)
- 5-Bromo-2-(chloromethyl)-1H-imidazole (CAS 2169055-08-5)
- 3-Chloro-2-(5-(4-(phenylthio)phenyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 321998-12-3)
- Methyl 2-(6-chloro-2-oxoindolin-5-yl)acetate (CAS 510703-84-1)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2,3,4-trimethoxyphenyl)propanoic acid (CAS 381222-52-2)
- Semaglutide impurity 29 (CAS 110990-08-4)
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