(2-methyl-5-phenylthiophen-3-yl)(phenyl)methanone CAS 40932-67-0
| CAS No. | 40932-67-0 |
| Molecular Formula | C18H14OS |
| Molecular Weight | 278.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-methyl-5-phenylthiophen-3-yl)(phenyl)methanone (CAS 40932-67-0), molecular formula C18H14OS and molecular weight 278.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14OS, (2-methyl-5-phenylthiophen-3-yl)(phenyl)methanone contains a steroid core, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), (2-methyl-5-phenylthiophen-3-yl)(phenyl)methanone 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 | C18H14OS |
| Molecular Weight | 278.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Sulfur Atoms | 1 |
Related methyl Standards
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Recommended Standards
- (1R,2S)-2-(4-(methylthio)benzoyl)cyclohexane-1-carboxylic acid (CAS 844856-61-7)
- (2S,4R)-tert-Butyl 4-amino-2-((methylsulfonyl)methyl)pyrrolidine-1-carboxylate (CAS 2381441-33-2)
- (1R,2R)-2-(4-(methylthio)benzoyl)cyclohexane-1-carboxylic acid (CAS 844856-85-5)
- (E)-5-((1,3-Dimethyl-1h-pyrazol-4-yl)methylene)-3-isobutyl-2-mercapto-3,5-dihydro-4h-imidazol-4-one (CAS 895881-30-8)
- 5-Chloro-6-methylpyridin-2-ol (CAS 103997-23-5)
- <SC>Ascorbyl phosphate magnesium sesquimagnesium salt hydrate (CAS 1713265-25-8)
- Tert-butyl (4-(ethylamino)butyl)carbamate (CAS 780802-42-8)
- N-{4-[Acetyl(methyl)amino]phenyl}-4-aminobenzamide (CAS 1020054-21-0)
- Methyl 5-bromo-2-morpholinonicotinate (CAS 1017782-99-8)
- Ethyl (3-(trifluoromethyl)phenyl)glycinate (CAS 2445-84-3)
- 2-(Cyanomethyl)-5-(trifluoromethyl)benzo[d]thiazole-6-carbonitrile (CAS 1190198-30-1)
- Tert-butyl (1R,5S)-7-oxo-6-oxa-2-azabicyclo[3.2.1]Octane-2-carboxylate (CAS 175671-45-1)
- 4-[4-(1,2-Benzisothiazol-3-yl)piperazin-1-yl]-4-oxobutanoic acid (CAS 1030429-68-5)
- C-Peptide (human) (CAS 33017-11-7)
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