2-Amino-3-hydroxy-3-phenylpropanoic acid CAS 69-96-5
| CAS No. | 69-96-5 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Amino-3-hydroxy-3-phenylpropanoic acid 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.
2-Amino-3-hydroxy-3-phenylpropanoic acid (CAS 69-96-5), molecular formula C9H11NO3 and molecular weight 181.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Amino-3-hydroxy-3-phenylpropanoic 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.
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.
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.) | 1957 |
| 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
- DL-erythro-β-Phenylserine (CAS 2584-74-9)
- D-m-Tyrosine (CAS 32140-49-1)
- D-Glucamine (CAS 488-43-7)
- D-o-Tyrosine (CAS 24008-77-3)
- (E)-({4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methylidene)[(3,4-dichlorophenyl)methoxy]amine (CAS 477851-89-1)
- 1-Allyl-4-(4-fluorophenyl)-2-methyl-1H-imidazol-5-amine (CAS 1269528-37-1)
- N-(5-Amino-2-methoxyphenyl)-2-(isopentyloxy)-benzamide (CAS 1020055-51-9)
- 4-(Aminomethyl)-1-benzyl-1,2,3,6-tetrahydropyridine (CAS 153196-51-1)
- Paroxetine Impurity 8 (CAS CATO-C4X-10358)
- N-[(4-Methoxyphenyl)methyl]-N-methyl-2-nitrobenzene-1-sulfonamide (CAS 1325964-98-4)
- Ethyl6-(((tert-Butoxycarbonyl)amino)methyl)nicotinate (CAS 951624-36-5)
- Methyl 4-bromo-5-(o-tolyl)-1h-pyrazole-3-carboxylate (CAS 1350465-36-9)
- 5-Nitro-4,6-diphenyl-3,4-dihydropyrimidin-2(1H)-one (CAS 37673-85-1)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com