(S)-2-Amino-2-(3,4-dihydroxyphenyl)acetic acid CAS 74985-16-3
| CAS No. | 74985-16-3 |
| Molecular Formula | C8H9NO4 |
| Molecular Weight | 183.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-2-Amino-2-(3,4-dihydroxyphenyl)acetic 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.
CATO supplies (S)-2-Amino-2-(3,4-dihydroxyphenyl)acetic acid (CAS 74985-16-3), a certified reference material (molecular formula C8H9NO4, MW 183.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H9NO4, (S)-2-Amino-2-(3,4-dihydroxyphenyl)acetic 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 183.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C8H9NO4 |
| Molecular Weight | 183.16 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.) | 1978 |
| Nitrogen Atoms | 1 |
Related S Standards
- 4-Amino-2-hydroxy-3-methoxybenzoic acid (CAS 101259-10-3)
- Methyl 3-amino-5-methoxypyrazine-2-carboxylate (CAS 1130-99-0)
- Methyl 1-amino-5-carbamoyl-1H-pyrrole-3-carboxylate (CAS 1204245-38-4)
- 3-Amino-2-hydroxy-5-methoxybenzoic Acid (CAS 1245533-15-6)
- 6-Amino-5-ethyl-2-oxo-1,2-dihydropyrimidine-4-carboxylic acid (CAS 13166-61-5)
- 2-Amino-2-(2,3-dihydroxyphenyl)acetic acid (CAS 132166-86-0)
- 2-Amino-2-(3,4-dihydroxyphenyl)acetic acid (CAS 138-62-5)
- Ethyl 2-Amino-4-hydroxypyrimidine-5-carboxylate (CAS 15400-53-0)
Recommended Standards
- (5-Methoxy-2-nitrophenyl)methanol (CAS 879-55-0)
- [(4-methoxypyrimidin-2-yl)amino]acetic acid (CAS 923112-86-1)
- (5-methoxy-2-nitrophenyl)hydrazine (CAS 75909-74-9)
- [(5-Methyl-furan-2-carbonyl)-amino]-acetic acid (CAS 97207-45-9)
- 1,4-Di(methyl-d (CAS 13720-08-6)
- 4-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrazole (CAS 2221800-07-1)
- 2-Chloro-5-(2-thenoyl)pyridine (CAS 501681-39-6)
- 1-(3-Fluorobenzyl)-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1272262-27-7)
- Voriconazole EP Impurity E (1R)-Isomer (CAS 35963-20-3)
- BTO48-2Br (CAS 2022985-69-7)
- (S)-Tetrahydro-2H-pyran-2-amine (CAS 279683-10-2)
- 2-(Methylthio)-4-(trifluoromethyl)benzo[d]thiazole (CAS 1203461-90-8)
- Trimethylsilylmethanethiol (CAS 18165-76-9)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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