1-(3,4-Dihydroxyphenyl)-2-(ethylthio)ethan-1-one CAS 857618-19-0
| CAS No. | 857618-19-0 |
| Molecular Formula | C10H12O3S |
| Molecular Weight | 212.27 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.
1-(3,4-Dihydroxyphenyl)-2-(ethylthio)ethan-1-one (CAS 857618-19-0), molecular formula C10H12O3S and molecular weight 212.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3,4-Dihydroxyphenyl)-2-(ethylthio)ethan-1-one (C10H12O3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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 212.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C10H12O3S |
| Molecular Weight | 212.27 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Dihydroxyphenyl Standards
- 1-(3,4-Dihydroxyphenyl)-2-((2-hydroxyethyl)amino)ethanone (CAS 740737-64-8)
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- Methyl 4-(2,4-dihydroxyphenyl)butanoate (CAS 159952-75-7)
- 5-(3,4-Dihydroxyphenyl)pentanoic acid (CAS 31129-94-9)
- 5-(2,5-Dihydroxyphenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 137361-19-4)
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Recommended Standards
- 1-(3-(Methylsulfonyl)phenyl)propan-2-one (CAS 593960-76-0)
- 1-(4-(Methylsulfonyl)phenyl)propan-1-one (CAS 69566-95-6)
- 1-(1,3-Thiazol-2-yl)piperidine-4-carboxylic acid (CAS 874623-60-6)
- 1-(4-(Methylsulfonyl)phenyl)propan-2-one (CAS 88356-97-2)
- 3-Methyl-1-(6-methylpyridazin-3-yl)-1H-thieno[2,3-c]pyrazole-5-carboxylic acid (CAS 1443979-97-2)
- Cyclo(-Arg-Ala-Asp-D-Phe-Cys) trifluoroacetate salt (CAS 1055991-02-0)
- (2-Fluoro-4-(thiophen-2-yl)phenyl)methanamine (CAS 927801-36-3)
- 4-Oxo-4-((3-(((tetrahydrofuran-2-yl)methyl)carbamoyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)amino)butanoic acid (CAS 729582-32-5)
- 5-(Difluoromethyl)-6-fluoro-3-nitropicolinonitrile (CAS 1805356-75-5)
- 1-(Benzylthio)-3,3-dimethylbutan-2-one (CAS 17697-99-3)
- 2,2,2-Trifluoroethanol-1,1-d (CAS 132248-58-9)
- 6-(Dimethylamino)quinoline-5,8-dione (CAS 59963-00-7)
- 3-(5-(4-(1H-Imidazol-1-yl)phenyl)-1-(4-carbamoyl-2-methylphenyl)-1H-pyrrol-2-yl)propanoic acid (CAS 1208315-24-5)
- Peptide Impurity 26 (CAS 1350456-66-4)
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