(S)-4-(1-Amino-2-hydroxyethyl)phenol CAS 794480-53-8
| CAS No. | 794480-53-8 |
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 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.
(S)-4-(1-Amino-2-hydroxyethyl)phenol (CAS 794480-53-8), molecular formula C8H11NO2 and molecular weight 153.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-4-(1-Amino-2-hydroxyethyl)phenol (C8H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 153.18 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.
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.
Physical & Chemical Properties
| Molecular Formula | C8H11NO2 |
| Molecular Weight | 153.18 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related S Standards
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- 3-Amino-5-(2-tetrahydrofuryl)pyrazole (CAS 1028843-21-1)
- 6-Amino-2-isopropylpyrimidin-4-ol (CAS 1038358-49-4)
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- (3-Amino-4-methoxyphenyl)methanol (CAS 113928-90-8)
- 2-Amino-1-methyl-5-propylidene-1H-imidazol-4(5H)-one (CAS 119290-23-2)
- (2R)-2-amino-2-(2-hydroxyphenyl)ethan-1-ol (CAS 1213028-30-8)
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Recommended Standards
- (S)-3-Methyl-5-(2-pyrrolidinyl)-1,2,4-oxadiazole (CAS 343246-61-7)
- (Z)-1-ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime (CAS 907990-54-9)
- (S)-1-(4-Pyridyl)-1,3-propanediol (CAS 685111-87-9)
- (Z)-3-((dimethylamino)methylene)-5-methylfuran-2(3H)-one (CAS 551931-08-9)
- 3-Acetamido-N-isopropylbenzamide (CAS 86478-68-4)
- 2-phenylpyrimidine-5-sulfonyl chloride (CAS 1803607-25-1)
- 6-Iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227270-70-3)
- Methyl 4-(4-methoxyphenyl)-4-oxobutyrate (CAS 5447-74-5)
- Ethyl (s)-3-amino-3-(furan-3-yl)propanoate (CAS 167834-30-2)
- Faldaprevir (CAS 801283-95-4)
- N1-Methyl-N1-(1-methylpiperidin-3-yl)ethane-1,2-diamine (CAS 1353984-80-1)
- Di-n-butyldi-n-pentyltin (CAS 78693-52-4)
- (4-Ethoxyoxepan-4-yl)methanamine (CAS 1468680-30-9)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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