1-((2,5-Dimethylphenyl)thio)-3-methylbutan-2-one CAS 1495650-89-9
| CAS No. | 1495650-89-9 |
| Molecular Formula | C13H18OS |
| Molecular Weight | 222.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-((2,5-Dimethylphenyl)thio)-3-methylbutan-2-one (CAS 1495650-89-9), molecular formula C13H18OS and molecular weight 222.35 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H18OS, 1-((2,5-Dimethylphenyl)thio)-3-methylbutan-2-one contains sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 222.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-((2,5-Dimethylphenyl)thio)-3-methylbutan-2-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 | C13H18OS |
| Molecular Weight | 222.35 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Sulfur Atoms | 1 |
Related Dimethylphenyl Standards
- 5-((2,4-Dimethylphenyl)thio)pentan-2-one (CAS 1153114-88-5)
- 1-(2,5-Dimethylphenyl)-2-(propylthio)ethan-1-one (CAS 1157206-30-8)
- 1-(2,4-Dimethylphenyl)-2-(propylthio)ethan-1-one (CAS 1157208-06-4)
- 1-(3,4-Dimethylphenyl)-2-(ethylthio)propan-1-one (CAS 1157221-63-0)
- 1-(2,5-Dimethylphenyl)-2-(ethylthio)propan-1-one (CAS 1157366-87-4)
- 1-(2,5-Dimethylphenyl)-2-(isopropylthio)ethan-1-one (CAS 1178315-41-7)
- 1-(2,4-Dimethylphenyl)-2-(isopropylthio)ethan-1-one (CAS 1184062-94-9)
- 1-((2,4-Dimethylphenyl)thio)pentan-2-one (CAS 1248323-18-3)
Recommended Standards
- 1-(Ethylthio)-5-phenylpentan-2-one (CAS 1468828-31-0)
- 1-((2,4-Dimethylphenyl)thio)-3-methylbutan-2-one (CAS 1498798-39-2)
- 4-(benzylsulfanyl)-3,5-dimethyl-1H-pyrazole (CAS 1461705-56-5)
- 3-Methyl-1-((3-methylbenzyl)thio)butan-2-one (CAS 1505265-04-2)
- 1-(5-Methylpyridin-2-yl)piperidine-3-carboxylic acid (CAS 954572-38-4)
- 3-Allyl-4-ethoxybenzaldehyde (CAS 915922-34-8)
- (S)-3-Amino-1,1,1-trifluoropropan-2-ol (CAS 160706-71-8)
- 2,4-Diethylthiophen-3-amine hydrochloride (CAS 2567556-39-0)
- tert-Butyl N-{[(2,3-dihydro-1H-inden-5-yl)carbamoyl]methyl}carbamate (CAS 1192998-98-3)
- 5-Amino-1H-imidazole-4-sulfonamide (CAS 61006-94-8)
- 2-((4-Bromo-3-methylbenzyl)amino)propan-1-ol (CAS 1518830-75-5)
- 5-Bromo-2,3-difluoro-4-hydroxybenzoic acid (CAS 1892051-93-2)
- Cobalt(II) Sulfamate Hydrate (CAS 14017-41-5)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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