1-(4-Hydroxy-3,5-dimethylphenyl)-2-(p-tolylthio)ethan-1-one CAS 344279-88-5
| CAS No. | 344279-88-5 |
| Molecular Formula | C17H18O2S |
| Molecular Weight | 286.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(4-Hydroxy-3,5-dimethylphenyl)-2-(p-tolylthio)ethan-1-one (C17H18O2S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 286.39 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
1-(4-Hydroxy-3,5-dimethylphenyl)-2-(p-tolylthio)ethan-1-one (CAS 344279-88-5) is a high-purity analytical reference standard with the molecular formula C17H18O2S and a molecular weight of 286.39 g/mol.
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.
As a certified reference material (CRM), 1-(4-Hydroxy-3,5-dimethylphenyl)-2-(p-tolylthio)ethan-1-one 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 | C17H18O2S |
| Molecular Weight | 286.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 6β-Hydroxy Estrone (CAS 1229-25-0)
- N1-(3-Hydroxy-4,4-dimethylpentyl)-N2-((tetrahydrofuran-2-yl)methyl)oxalamide (CAS 1396814-27-9)
- 6α-Hydroxy Estrone (CAS 1476-78-4)
- 1-(2-Hydroxy-3-(pyrrolidin-1-yl)propyl)-2-methyl-1H-indole-3-carbaldehyde (CAS 883543-75-7)
- 4-(3-Hydroxy-5-phenylpentyl)-2-methoxyphenol (CAS 402469-45-8)
- 4-Hydroxy Estrone (CAS 3131-23-5)
- 2-Hydroxy Estrone-d4 (CAS 81586-97-2)
- 2-Hydroxy Estrone (CAS 362-06-1)
Recommended Standards
- 1-(3-Methoxybenzyl)-3-(o-tolyl)thiourea (CAS 400736-79-0)
- 1-(4-Methoxyphenyl)-3-(p-tolylthio)propan-1-one (CAS 20618-50-2)
- [(Diphenylmethyl)thio]acetic Acid Ethyl Ester (CAS 63547-23-9)
- 1-[(2-Methoxyphenyl)methyl]-3-(2-methylphenyl)thiourea (CAS 400736-70-1)
- tert-Butyl 4-{4-[(Methylamino)methyl]phenyl}piperazine-1-carboxylate (CAS 681508-91-8)
- 6-fluoropyrazine-2-carbaldehyde (CAS 1197228-01-5)
- 1243100-90-4 1-{[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-1,4-diazepane MFCD15732221 (CAS 1243100-90-4)
- Triclosan Impurity 8 (CAS CATO-C4X-25048)
- cis-N-(2-Aminocyclohexyl)-4-fluorobenzamide (CAS 1607450-11-2)
- 7-Bromo-1-ethyl-5-methylindoline-2,3-dione (CAS 937664-94-3)
- 2,3-Dichloro-4-(2-methylpropoxy)phenol (CAS 1881329-40-3)
- 6065-82-3 D1883 Diethoxyacetic Acid Ethyl Ester Ethyl Diethoxyacetate Ethyl Glyoxylate Diethyl Acetal Glyoxylic Acid Ethyl Ester Diethyl Acetal (CAS 6065-82-3)
- Ethyl (2S,3R)-2-methylmorpholine-3-carboxylate (CAS 1268474-72-1)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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