2-Amino-3-(7-hydroxy-1H-indol-3-yl)propanoic acid CAS 52899-02-2
| CAS No. | 52899-02-2 |
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Amino-3-(7-hydroxy-1H-indol-3-yl)propanoic acid (CAS 52899-02-2), molecular formula C11H12N2O3 and molecular weight 220.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H12N2O3, 2-Amino-3-(7-hydroxy-1H-indol-3-yl)propanoic 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 220.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Amino-3-(7-hydroxy-1H-indol-3-yl)propanoic 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.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O3 |
| Molecular Weight | 220.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- Methyl 7-amino-5-methoxy-1H-indole-2-carboxylate (CAS 1000341-45-6)
- 2-Amino-3-(5-hydroxy-1H-indol-2-yl)propanoic acid (CAS 100060-77-3)
- 4-Amino-1-(benzo[d][1,3]dioxol-5-yl)pyrrolidin-2-one (CAS 1154545-45-5)
- 2-Amino-3-(2-methylbenzo[d]oxazol-5-yl)propanoic acid (CAS 1220953-94-5)
- (R)-2-Amino-2-(5-methoxy-1H-indol-3-yl)acetic acid (CAS 1270276-43-1)
- (R)-2-Amino-3-(2-hydroxy-1H-indol-3-yl)propanoic acid (CAS 1313054-66-8)
- 5-Amino-2-(2-oxopyrrolidin-1-yl)benzoic acid (CAS 1342540-76-4)
- 4-Amino-2-(2-oxopyrrolidin-1-yl)benzoic acid (CAS 1343070-19-8)
Recommended Standards
- 2-Amino-3-(2-oxo-2,3-dihydro-1h-indol-5-yl)propanoic acid (CAS 788772-02-1)
- 2-Amino-3,5-dimethyl-β,4,6-trioxo-1-cyclohexene-1-propanenitrile (CAS 887352-46-7)
- 2-{[(pyridin-4-yl)methyl]carbamoyl}cyclopropane-1-carboxylic acid (CAS 866156-07-2)
- 2-Amino-6,7-dimethoxyquinolin-4-ol (CAS 849217-92-1)
- 3-[(Propan-2-yl)amino]propanoic acid (CAS 16217-35-9)
- 2-(5-Chloro-2-nitrophenyl)acetonitrile (CAS 72301-65-6)
- N,n'-dimethyl-benzene-1,3-disulfonamide (CAS 146089-48-7)
- Methyl 2-[4-chloro-3-(trifluoromethyl)phenoxy]-acetate (CAS 1965304-83-9)
- 3-[2-(5-Isopropyl-2-methylphenoxy)ethyl]-piperidine hydrochloride (CAS 1219960-84-5)
- 9,9-Dimethyl-N2,N7-diphenyl-9H-fluorene-2,7-diamine (CAS 354987-86-3)
- (3-Methylbenzo[b]thiophen-2-yl)boronic acid (CAS 912331-27-2)
- 2-(4,5-Dihydrofuran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1046812-03-6)
- 4-AMINO-5-IODO-2-METHYLBENZONITRILE (CAS 380241-62-3)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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