3,7-Bis(methylthio)dibenzo[b,d]thiophene CAS 185540-18-5
| CAS No. | 185540-18-5 |
| Molecular Formula | C14H12S3 |
| Molecular Weight | 276.44 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.
3,7-Bis(methylthio)dibenzo[b,d]thiophene (CAS 185540-18-5), molecular formula C14H12S3 and molecular weight 276.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H12S3, 3,7-Bis(methylthio)dibenzo[b,d]thiophene contains sulfur-containing functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3,7-Bis(methylthio)dibenzo[b,d]thiophene 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 | C14H12S3 |
| Molecular Weight | 276.44 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | 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.) | 2010 |
| Sulfur Atoms | 3 |
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- 1-[4'-(Methylsulfanyl)[1,1'-biphenyl]-2-yl] ethanone (CAS 893739-21-4)
- 4-(5-Bromo-2-fluorophenyl)butan-2-one (CAS 1099653-16-3)
- (2E)-3-(4-Methylphenyl)-1-(4-nitrophenyl)prop-2-en-1-one (CAS 13909-56-3)
- 3-Methylglutaric Acid (CAS 626-51-7)
- 4-Methylpentanoic Acid-d12 (CAS 116287-57-1)
- 1-(3-Chloropyridin-2-yl)cyclobutanecarboxylic acid (CAS 1535395-13-1)
- [His]1+12-Semaglutide (CAS CATO-C4X-2226178)
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